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Construction method of rectangular anti-slide pile in soft rock formation

A construction method and anti-sliding pile technology are applied in the field of construction of rectangular anti-sliding piles in soft rock strata, which can solve the problems of inability to utilize soft rock strata, low degree of mechanization, and high safety risks, and achieve the elimination of wall protection procedures, tight inter-procedural connection, and high safety risks. The effect of avoiding safety hazards

Active Publication Date: 2021-08-03
福建省华策建设集团有限公司
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Problems solved by technology

[0003] Existing rectangular anti-slide piles are usually constructed by manual excavation, and the construction steps are usually hole formation, wall protection, pile formation, and slag removal by manual excavation. The existing construction technology cannot take advantage of the good stability of the soft rock formation itself, and it needs to be manually drilled up and down the hole repeatedly. There are outstanding problems such as low degree of mechanization, high safety risk, and slow work efficiency. Therefore, it needs to be studied and summarized. A more suitable construction technology for this working condition

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  • Construction method of rectangular anti-slide pile in soft rock formation
  • Construction method of rectangular anti-slide pile in soft rock formation
  • Construction method of rectangular anti-slide pile in soft rock formation

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Embodiment Construction

[0047] The following is attached Figure 1-5 The application is described in further detail.

[0048] The embodiment of the present application discloses a construction method of rectangular anti-slide piles in soft rock formations, referring to figure 1 , including the following steps:

[0049] Step S1, measure and set out, calculate the coordinates of the four corners of each anti-slide pile and the elevation of the pile top according to the coordinate elements of the design pile position, use the total station on the spot to measure the four corners of the pile position by coordinate method, so as to ensure that each pile position Accuracy of construction controls;

[0050] Step S2, treatment of the wellhead, use a road roller to carry out static pressure treatment on the wellhead surface before opening the hole, strengthen the wall protection of the orifice, and make the wellhead lock well to prevent the ground from collapsing;

[0051] Step S3, installation and fixatio...

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Abstract

This application relates to this application relates to a construction method of rectangular anti-slide piles in soft rock formations, comprising the following steps: Step S1, measurement and setting out; Step S2, hole processing; Step S3, hole steel casing installation and fixing; Step S4, Drilling rig positioning; step S5, taking soil around the small drill bit; step S6, taking soil in the middle of the large drill bit; step S7, trimming and roughening the hole wall: by installing a trimming device on the drill rod of the rotary excavator to repair the hole wall Perform edge trimming and roughening; step S8, remove slag at the bottom of the hole; step S9, hoist and fix the reinforcement cage; step S10, pour concrete. The invention has the effects of high construction efficiency and greatly reduced safety risks. The application has the effects of high construction efficiency and greatly reduced safety risks.

Description

technical field [0001] This application relates to the technical field of slope retaining structure construction, in particular to a construction method for rectangular anti-slide piles in soft rock formations, where the strength of the surrounding rock and soil within the construction range of the anti-slide piles is a strongly weathered rock mass lower than 40MPa However, it cannot be used in areas where anti-slide piles pass through a lot of groundwater or where there are quicksand and gravel layers, so as to avoid large collapse holes or cause more overexcavation waste of concrete. Background technique [0002] Anti-slide piles are piles that pass through the landslide body and go deep into the slide bed to support the sliding force of the slide body and stabilize the slope. It is suitable for shallow and medium-thick landslides and is an anti-slide treatment. main measures. [0003] Existing rectangular anti-slide piles are usually constructed by manual excavation, and...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/34E02D13/08B01D47/06E02D17/20
CPCB01D47/06E02D5/34E02D13/08E02D17/207
Inventor 赖晓燕郑上满林志成傅子斌
Owner 福建省华策建设集团有限公司
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