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Code Requirements for Reverse Digging Trench after Subgrade Fills

Code Requirements for Reverse Digging Trench after Subgrade Fills

2026-07-02 12:12
1 answer

Before excavation of the pipe trench, it is necessary to carry out investigation and study to fully understand the soil quality, underground water level, underground structures, underground buildings near the trench and the construction environment. If any problems are found, contact the construction unit in time to study the treatment measures. According to the construction situation of the neighboring pipeline, if the operation is in the underground water layer, the corresponding drainage measures shall be taken during the construction. The trench excavation shall be carried out by backhoe excavator in sections (every 350 is a section). One side shall be excavated, leaving a construction passage. The soil shall be piled 1 meter away from the trench side, and the height of the soil shall comply with the regulations. Manpower shall be used to repair the edge of the trench and clear the bottom. Over-excavation shall be strictly prevented to prevent the original foundation from being disturbed. If the foundation soil is disturbed, the disturbed soil shall be cleaned up and leveled with the same materials as the foundation. Due to the unknown status of the underground pipeline and structures, protection should be paid attention to at all times during trench excavation. Mechanical excavation should be avoided in the section with underground pipeline, and manual excavation should be used. In order to prevent over-excavation, the edge of the trench opening shall be marked out before excavation, and the excavation depth shall be measured at any time according to the opening slope. When the excavation depth reaches 20cm from the bottom of the trench, stop the mechanical excavation, and manually repair the side slope and clear the bottom. Read more exciting novels for free

After Transmigrating, the Fat Wife Made a Comeback!

After Transmigrating, the Fat Wife Made a Comeback!

Qiao Mei transmigrated into a novel as a supporting character with the same name as her who lacked presence. This supporting character was a country bumpkin who couldn’t get married due to her obesity. According to the original script, this country girl Qiao Mei was a fatty spoiled by her grandfather. However, their relatives were all vicious and cruel people. Her grandfather had poor health, so once he died, the relatives would divide and swallow up his assets. Hence, her grandfather’s greatest wish was to marry Qiao Mei off. For this, even sacrificed and betrayed his good friend’s grandson, Xia Zhe. Grandpa got Xia Zhe drunk and had Qiao Mei forcibly take the strong and handsome Xia Zhe with her body which weighed more than two hundred pounds. Then, grandpa would catch them the next day and force Xia Zhe to marry Qiao Mei. However, that eventually caused the start of Qiao Mei’s unfortunate life. Also, in the original story, Qiao Mei took possession of Xia Zhe’s mysterious jade. But due to Qiao Mei’s stupidity, her cousin's sister had tricked Qiao Mei into giving her the jade, which resulted in the cousin’s family becoming rich. When Qiao Mei transmigrated here, it was during the awkward moment when she was making love to the man after making him drunk. She woke up groggily the next day and grandpa’s team had already appeared at the door. Qiao Mei was frightened. She didn’t want to proceed on the original path and marry a man who didn’t love her. And so, she lied and chased grandpa away. She also pushed the man out before forcing herself to look at her tanned and chubby reflection in the mirror! Alas, she cried at her ugly appearance… Like a sumo wrestler in large cloth underwear, even the plus-sized apparel shops didn’t have clothes in her size. And her face was the size of a pizza, a scorched pizza! Qiao Mei decided to reform her life! The first step, lose weight! The second step, clean up her room! She used to be particular about cleanliness, and although her current house had a huge courtyard, she could only describe it as messy! The third step was to hold onto the jade tightly so her greedy cousin wouldn’t stand a chance! Only, wasn’t the tall and handsome Xia Zhe supposed to hate her according to the original story? Why was he being nicer and nicer to her?
Urban
2450 Chs

What are the requirements for a mother's new dress code in cartoon submissions?

It really depends on the specific cartoon and its theme. Sometimes, the new dress code might focus on style, color, or maybe even functionality for the character.

3 answers
2025-06-18 03:30

Crossing the national treasure digging, starting with 100,000 digging ants

The 100,000 Digging Ants at the start of the treasure hunt was a game competition novel written by a love maniac. The plot of the novel was full of ups and downs, and it was thrilling. It told the story of the protagonist, Du Feng, who had transmigrated to a world where everyone was digging for treasures. At the beginning, he actually obtained 100,000 Basic Digging Ants. He commanded these digging ants to dig up countless treasure caves and obtained a rich harvest. In addition, the novel also involved some plots about the system level, the number of ant colonies, and the evolution of mining ants. Overall, this novel was set in a competitive game and was full of excitement and surprises.

1 answer
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Auspicious qi, what scenery fills the hall

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1 answer
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Auspicious air drenches the scenery and fills the hall

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1 answer
2025-01-07 07:52

The water flows across the pond and fills the dike

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1 answer
2026-02-13 19:07

Trees surround the village, water fills the pond

shù rào cūn zhuāng,shuǐ mǎn bēi táng。 The novel "Listening to the Rain in Green Bamboo and Watching the Egrets" is equally wonderful. Everyone is welcome to click and read it!

1 answer
2026-02-16 11:57

Is Trench 11 based on a true story?

No, it isn't. Trench 11 is a fictional story created for entertainment purposes.

2 answers
2024-10-01 18:34

Is The Endless Trench a True Story?

It's not a true story. It's likely a fictional creation for entertainment or to convey certain themes and messages.

2 answers
2024-12-14 07:42

The Origin of Life in the Aleutian Trench

Regarding the origin of life in the Aleutian Trench, there was currently no unique conclusion on the origin of life in the Aleutian Trench, but it could be inferred from the relevant theories of the origin of life. From the general theory of the origin of life on Earth, life may have originated from the evolution of non-living matter. Among them, Miller's experiment showed that under certain conditions, minerals could form small molecules of organic matter, such as the important components of life, such as the protein. The hypothesis of the submarine hot spring also provided a possibility. Although the submarine hot spring was located in a high-temperature, strong acid and strong base area, it was full of vitality. Although this was a speculation that life originated in the marine environment, since the Aleutian Trench was also a marine environment, there might be similar conditions for the origin of life. However, there was no conclusive evidence that life in the Aleutian Trench originated in this manner. Fantasy Realm is equally exciting. Everyone is welcome to click and read it!

1 answer
2026-06-30 22:59
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