How much is the steel structure of the apartment?
The steel structure of the apartment cost about 300 yuan per square meter, but the specific cost was affected by factors such as span, materials, and construction difficulty.
Steel structure of apartment building
There were many ways to make steel structures for apartment buildings. The following were the common ones: ** 1. Steel structure frame ** 1. ** Steel component selection and fire protection treatment ** - The steel components can be coated with a thin layer of fire-resistant paint, which is wrapped with a fire-resistant plasterboard. In some projects, the steel columns were sprayed with thick fire-resistant paint. 2. ** Beam-column connection joint ** - For rigid joints of beams and columns, corner bracing may be needed in some positions to enhance the stability of the structure; some joints have quality problems, such as the construction quality of the bolts of the hinged joints of beams and beams. During construction, the construction quality of the bolts should be ensured. - The construction of steel column joints and steel beam bolted joints shall conform to the structural design requirements. 3. ** Connecting the steel column to other components ** - Tie bars may be set on the steel column; when the steel column is connected with the reinforcing bars of the structural column of the aerocrete block wall below the mezzanines, the connection must be ensured to be reasonable; the connection between the steel column, the steel beam and the block wall must be constructed according to the design specifications. ** 2. Floor-related ** 1. ** Dismountable steel bar composite floor ** - Special traits: - It can realize three-dimensional intersection operation. The construction site does not need to support the mold. The bottom mold can be removed and recycled to avoid subsequent ceiling construction. - Base mold type: - There were plated steel plates, wooden boards, and plastic boards. - Construction process: - include that following step: lifting and transporting materials, installation of floor support plate, bolt welding, laying of pipeline and additional steel bars, setting up temporary supports, pouring concrete, dismantling bottom molds, and the like. 2. ** Steel structure cement pressure slab composite floor (used for loft apartment mezzanines, but there are certain limitations)** - The thickness of the finished product is relatively large, and the cost is relatively high. The cement pressure plate is a brittle material used for the floor slab, which is risky (not allowed by the residential code). When there is a large floor load or vibration load, it should be carefully selected. 3. ** Steel structure lightweight composite floor (suitable for office buildings, residential buildings, light factories, etc., but has shortcomings)** - The method of installing the ALC concrete slab and the mortar leveling layer on the steel beam with the same height as the wing edge could maximize the use of effective space, but the construction speed was slow, and the quality of the ALC slab was uneven and easy to damage. 4. ** TD-LOFT Sandwich Floor System (with an innovative patent)** - Corrugated steel plates were used as the bearing components, which combined the functions of decorative surface layer, waterproof, fire-resistant, sound-proof, and so on. ** 3. Wall-related (Take the loft apartment building with a double-floor structure as an example)** 1. ** Wall of steel-concrete structure floor ** - When the supporting wall is a lightweight wall, it needs to be supported by steel columns. The construction process is to fix the channel steel on the wall, welding the main beam and beam, laying the plated steel plate, binding the steel bars (tendons and bottom bars), burying the water and electricity, leveling with fine stone concrete or cement sand, and the steel material needs to be anti-rust treated. 2. ** Wall of cast-in-place structural floor (required to be a bearing wall)** - The construction process included supporting the template, planting the steel bars, binding the steel bars (tendons and bottom bars), burying the water and electricity, and pouring the concrete.
The balanced structure of steel
The equilibrium structure of steel refers to the internal composition of steel in an equilibrium state. A steel with a certain composition has a certain internal composition at a certain temperature, which is called the equilibrium structure of the steel at that temperature. The equilibrium structure can be represented by the iron-carbon alloy phase diagram. The iron-carbon alloy phase diagram was an important tool for studying the structure of iron-carbon alloys with different components at different temperatures. The phase diagram of iron-carbon alloy was a diagram of the relationship between the composition, temperature, and composition of the iron-carbon alloy measured by thermal analysis when the steel changed from high-temperature liquid to low-temperature solid under very slow cooling conditions. The points on the horizontal coordinate of the map corresponded to the iron-carbon alloy with different composition contents; the ordinate corresponded to different temperatures; the letters and symbols marked in each area represented the internal composition of the iron-carbon alloy under certain conditions. The iron-carbon alloy phase diagram was composed of characteristic points, characteristic lines, and characteristic regions. Each characteristic area of the iron-carbon alloy phase diagram indicated the composition of the iron-carbon alloy with different components at different temperatures.(The composition of the iron-carbon alloy with a certain composition at a certain temperature in the horizontal coordinate of the phase diagram would be the composition indicated in the region where the vertical line of a certain composition point on the horizontal coordinate intersected with the horizontal line of a certain temperature point on the ordinate.) The composition of iron-carbon alloy was L (liquid phase),<anno data-annotation-id ="00000000 - 4000 - 4000 - 8000 - 8000 - 80000000000"></anno>(high-temperature Ferrite),</anno>(Ferrite),</anno>(Ferrite),<anno data-annotation-id ="0000000 - 4000 - 4000 - 8000 - 800000000000"> A (Austenite),</anno>,</anno>,</ The equilibrium structure of different types of steel after cooling to room temperature was different. For example, the equilibrium structure of eutectoid steel after cooling to room temperature was pearlite, and the equilibrium structure of hypeutectoid steel after cooling to room temperature was pearlite and secondary crystallizer. While waiting for the TV series, you can also click on the link below to read the classic original work of "Dafeng Nightwatchman"!
attic steel structure floor
Safety and material selection should be taken into account when building the steel floor of the attic. Steel structures were one of the most suitable materials for building lofts. There were two types of steel attic floors: channel steel and I-beam. Channel steel was easy to build, but it would vibrate when people walked. It was suitable for smaller spaces with less load. The bending strength of the I-beam was higher, but the cost was also higher. It was suitable for attics with larger spans. The steel structure attic floor was smooth, neat, and uniform in thickness. It had strong load bearing capacity, fire resistance, and water resistance. It could be used directly or tiled and laid. In addition, the construction of the steel structure floor was simple, took up little space, and had the thick and heavy feeling of the cast-in-place floor. In general, the steel attic floor was a safe, durable, and environmental choice.
Steel structure model list
The following are some of the commonly used steel models for steel structures: 1. ** H-type steel **: - ** HH **: The height of H-shaped steel is basically the same as the width of the wing. It is mainly used for steel-core columns (stiff steel columns) in reinforced concrete frame structures. It is also mainly used for columns in steel structures. - **Hm**: The ratio of the height of H-shaped steel to the width of the wing is roughly 1.33 - 1.75. It is mainly used as a steel frame column in steel structures. It can be used as a frame beam in frame structures that bear dynamic loads, such as equipment platforms. - **HN**: The ratio of the height of H-shaped steel to the width of the wing is greater than or equal to 2. It is mainly used for beams. The use of I-shaped steel is equivalent to HN steel. 2. ** I-beam **: There are ordinary I-beams (No. 10 - 63) and light I-beams (No. 8 - 70). 3. ** Channel steel **: Including ordinary channel steel (No. 5 - 40) and light channel steel (No. 5 - 40). 4. ** Equal angle steel **: 2 - 20. 5. [Unequal Corner Steel: There are many types.] In addition, carbon structural steel (such as Q195, Q215, Q235, Q255, Q275, etc.), low-alloy high-strength structural steel, high-quality carbon structural steel, alloy structural steel, special-purpose steel, and other grades of steel were used for steel structures. The novel "Watching the Moon on Fish Island" is equally exciting. Everyone is welcome to click and read it!
Steel structure light floor slab
Steel structure light floor slab was a kind of board used in construction. It has many advantages, such as high strength, good bearing capacity, and high bearing capacity per square meter. It is suitable for building floors in places such as industrial plants and warehouses that need to carry heavy equipment or items. It is light in weight. Compared with traditional reinforced concrete floors, it can reduce the overall weight of the building, reduce the bearing requirements of the foundation, and facilitate transportation and installation. The construction period is short. Most of the components are pre-fabricated in the factory and assembled on the spot. It can save time and labor costs. It has high space utilization rate and a relatively thin thickness, which can increase the internal space of the building. It is suitable for commercial buildings, office buildings and other buildings with high space requirements. It has good fire resistance performance and can achieve good fire resistance after special treatment. It has a long fire resistance time. It has good earthquake resistance, good steel structure toughness and distortion ability. It can absorb and disperse energy during earthquakes and reduce building damage. At the same time, there were also some shortcomings. The sound insulation effect was poor, and the sound transmission effect of the steel structure was good, resulting in the sound insulation of the floor slab being inferior to that of the reinforced concrete floor slab. The sound of the upper and lower floors was easy to transmit to each other and affect the environment; The maintenance cost was high, and the steel structure was prone to corrosion, requiring regular anti-corrosion maintenance; The initial investment was high, and the material and processing cost was higher than that of the traditional floor slab materials. However, the long-term comprehensive cost might be reduced due to the short construction period and low maintenance cost. It is suitable for general industrial buildings and civil buildings. It can be used in non-earthquake and earthquake-resistant areas of less than or equal to 8 degrees. The bearing weight is higher than that of ordinary floor boards and trestle boards of industrial buildings and civil buildings. The common ones were the steel-framed light panels, which were made of steel and core panels such as steel frames. The interior contained steel mesh, and the outer surface was covered with alkali-resistant fiber mesh and a protective layer of composite mortar, which could better resist external corrosion. There were also types of steel that were made into different shapes through the casting process and then connected with connecting materials. There were also related products such as FC reinforced fiber cement fiber board. While watching the Olympics, you can also read the wonderful novels related to the Olympics!
How to install steel structure factory windows
"In a steel structure factory, the installation of windows is usually a later step in the construction of the entire factory. It is carried out after the installation of the roof panels, wall panels, and other protective structures. The following was the general process: 1. Assembly preparation: - The staff of the organization shall learn and train relevant installation engineering drawings and construction techniques, protect the buildings on site according to the construction plan and layout design drawings, set up obvious signs for the aerial cables within the scope of work, and complete the three supplies and one leveling work on site. - Clean up the lime soil on the column foundation, and remove the accumulated water on the construction site when it rains. - According to the relevant information of the civil engineering team, the horizontal elevation, central line, and interval of the foundation shall be re-measured. Only after the standards are met can the next process be carried out. The cross line of the vertical and horizontal central lines shall be marked on the surface of the foundation as the positioning standard for the installation of the columns. - The components shall be supplied in units according to the installation order. During transportation, the vehicles shall be selected according to the length and weight. The components shall be padded on the vehicles. The longer components shall be marked and bound firmly to ensure that the components will not be deformed or damage the coating during transportation. During the loading, unloading and lifting work, a cushion block must be added between the steel wire rope and the components for protection. Then, the components shall be stacked to the designated position according to the site layout design. The place where the components are stored must be flat and solid without water accumulation. The bottom layer of the components must be padded with wooden pillows without oil stains. The support points of the steel components of each layer must be on the same bisecting line to prevent the steel components from being crushed and deformed. After stacking, an obvious sign must be set up to indicate the model, specifications and quantity of the components for installation. 2. Pillar installation: - Before installation, check the quality of the components. If there is any distortion or defect deviation, it can only be installed after treatment. Before lifting, remove the oil stains, sand, dust and other sundries on the surface. In order to eliminate the influence of the manufacturing deviation of the column length on the column elevation, corresponding measures should be taken. 3. Follow-up structure installation: - The installation of tie bars, hangar beams, purlins, bracing bars, horizontal bracing, gutters/drainage ditches and other structural components, which provide support for the stability of the overall structure of the plant and are also the structural basis for the installation of windows. 4. Exterior protection structure installation: - After completing the installation of the roof and wall panels, he began to install the windows. During the installation, the exact location and size of the window should be determined according to the design requirements. The window should be installed in the reserved window position, and the installation should be firm and well sealed, which should be coordinated with the overall structure and appearance of the factory. 5. Completion acceptance: - Finally, the entire steel structure factory building project, including the installation of windows, was completed and accepted. According to the design drawings and construction plan, the construction was checked to ensure that it met the design requirements and ensured the safety of the steel structure factory building. "Journey to Gaoyang" is equally exciting. Everyone is welcome to click and read it! "
Steel structure built on the second floor of the room
The steps to build the second floor of the steel structure indoors were as follows: 1. ** Construction design and preparation ** - In terms of design, the layout of the steel structure had to be determined according to the size of the interior space, the bearing capacity, and other factors. Generally speaking, the steel structure of the main beam of the compartment was mostly made of I-beam and channel steel, and the secondary beam was made of square tube or angle steel. For steel with the same cross-section area, the bending strength of H-shaped steel, I-shaped steel, and U-shaped steel decreased in order. - The construction team must be selected by a team with design and construction qualifications, because the reliability of the steel structure not only depended on the quality of the section steel, but also the bending resistance of the main beam. More importantly, it depended on the reasonable connection method between the steel structure and the wall. 2. ** Foundation Connection Construction ** - A combination of planting steel bars and slotting could be used. The groove should be no less than 10 cm deep and 10 mm wide, and the steel bars should be 15 cm deep into the wall to allow the concrete to bear the full force. The bond material used for planting the steel bars must be corrosion-resistant, anti-aging, and the bond strength must be far greater than the strength of the concrete. The curing speed must be fast, so that the implanted steel bars can bear the external force as soon as possible. 3. ** Steel structure construction ** - One method was to use steel that met the national standards to form a crisscrossed steel mesh. For example, the I-beam was the main beam, and the angle steel was the auxiliary beam, which was connected to the main beam. The division of the I-beam was determined according to the size of the pressure steel plate (floor tile, with different thickness of 0.8mm, 1.0mm, 1.2mm, etc.). During the lapping, the I-beam was allowed to bear half of the steel plate or more than the I-beam, so that the I-beam played a leading role in bearing. After the steel frame was connected, the pressed steel plates were floated and then were connected to the steel frame. The deformed steel grid was woven on the steel frame (according to the construction requirements of the concrete structure, the deformed steel bars with a diameter of 10mm and 12mm could be used, and the special binding wire for steel bar construction could be used to connect them). Finally, the light material was poured (such as ceramsite, and the ratio of cement: sand: ceramsite was 1:2:3). - The other method was to place the pressed steel plate into the I-beam, and then to the auxiliary beam (the auxiliary beam was generally 80mm channel steel; when the steel frame had a large span and the main beam was separated, 120mm I-beam could be used as the auxiliary beam), so that it was level with the steel frame, and the steel grid was placed on the steel frame and steel plate for pouring. The difference between the two steel-concrete structure construction schemes was that the former was suitable for the situation where the total floor height was high enough, while the latter was used due to the height restriction. The height difference between the two was 100mm. 4. ** Follow-up Work ** - Wooden planks were laid on the steel structure, and flame-resistant plasterboard roofs could be hung below to form a partition. If it was a steel-concrete structure, it should be noted that its advantage was that it was soundproof and not easy to be deformed. The attic could be used as a toilet and had a good waterproof effect. The disadvantage was that it was heavier and the wall was more stressed. According to the calculation of this structure, the earthquake resistance coefficient was 8 degrees and the service life was more than 70 years. The novel "Watching the Moon on Fish Island" is equally exciting. Everyone is welcome to click and read it!
Loft apartment, small apartment
The following are some of the characteristics and decoration design ideas of a small apartment: ** 1. Space utilization ** 1. ** Layered Planning ** - Loft apartments usually had higher floors and could be divided into layers to increase the usable area. For example, the lower level would be planned as a living space, including functional areas such as the living room, kitchen, dining room, and bathroom, while the upper level would be used as a bedroom or rest area. For example, in some 30 - 45 square meters loft apartments, the lower floor was arranged with basic living functions, and the upper floor was created with a relatively private sleeping space. 2. ** Multi-functional furniture ** - Due to the limited space, it was common to use multi-functional furniture. For example, if the bed was designed in the form of tatami, it could be used as a bed for rest and a space for leisure and entertainment during the day. There were also foldable televisions, foldable dining tables, etc., which could save space when not in use and meet the flexible needs of small apartments. 3. ** Using the corners and the space under the stairs ** - For a small loft, the corner space and the space under the stairs could not be wasted. Shelves and hanging poles could be set up on the kitchen wall to store small items, or the washing machine could be embedded under the cabinet. The space under the stairs could be used to store sundries, shoes, etc. ** 2. Style and visual effects ** 1. ** Color matching ** - Using light colors as the main color could expand the visual capacity. For example, the use of pure white colors, coupled with the natural light introduced by large floor-to-ceiling doors and windows, could achieve the purpose of visual expansion and ease the sense of crowding in the space. Or white as the base, paired with other warm colors such as wood color, beige, etc., to create a warm and comfortable atmosphere. 2. ** Choice of a specific style ** - Different styles could be adapted to small loft apartments. The Northern European style used pure white colors, simple layout, and the use of natural light to reflect simplicity and spaciousness; the industrial style used red bricks, rough wood, and iron elements to create a unique and comfortable atmosphere; the wooden style used wooden furniture and soft furnishings to create a warm and natural feeling. ** 3. Function layout ** 1. ** Open layout ** - Small loft apartments often had an open layout. For example, the design of the dining room did not use walls to strictly divide the area. Instead, it used the placement of furniture to divide the functional areas. This could ensure that the space was transparent and make the entire space look more spacious. The kitchen could also adopt an open design and increase storage space through hanging cabinets and shelves. 2. ** Dry and wet separate bathroom ** - Even if the space was small, they could create a separate shower room to achieve a simple dry and wet separation pattern. Some even combined the laundry room function and set up a folding board to facilitate the handling of clothes.
The realistic structure of the novel structure
The realistic structure of the novel structure is a novel structure that reflects the real society by describing the life experience and story plot of the characters in the society. This kind of structure usually placed the main characters in the novel in a certain position in the real world. Their experiences and stories would be combined with the development trend and contradictions of the real society. Through the life experience and psychological description of the characters, it would reflect the various phenomena and problems of the real society. In realistic novels, the life experiences and psychological descriptions of the characters are very important because these plots are the core of the novel and can be directly felt by the readers. This kind of structure usually adopted a realistic writing style to reflect the realism and authenticity of the real world through the description of the characters 'reality and psychology. Realistic structure novel is a kind of novel that takes the real society as the background and reflects the real society through the life experience and psychological description of the characters. It has a high realism and authenticity, and is an important form of novel creation.
Prose structure of novel structure
Fictions and essays are both forms of literature, but there is a big difference between them. A novel usually uses the plot as the main clue, while a prose focuses more on expressing the author's subjective feelings and emotions. In the structure of novels, prose structure is usually a special structure because it combines the characteristics of novels and prose. Prose is usually based on a central idea or theme, and is used to delve into the subject through multiple prose chapters. In a prose chapter, the author usually uses narrative language to express his thoughts and emotions. At the same time, he may also insert some descriptions and details to enhance the expressiveness of the article. In the structure of a novel, the structure of prose was usually used to create literary works that were full of emotion and depth of thought. This structure allowed the author to express his views and emotions more freely, and at the same time, it allowed the readers to better understand the author's intentions. In some novels, the structure of prose was also used to enhance the narrative and expressiveness of the novel, making the story more lively and interesting.