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Manual digging pile construction method

A technology of manual hole-digging piles and construction methods, which is applied to sheet pile walls, foundation structure engineering, construction, etc., can solve the problems that the construction efficiency cannot be really improved, the construction period is long, and the waiting time between construction steps is long. Condensation time, easy construction, and shortened construction period

Active Publication Date: 2019-04-30
WENZHOU HUALONG CONSTR CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

However, the above manual pile excavation construction method has the defects of long construction period and long waiting time between construction steps, which cannot really improve construction efficiency

Method used

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] Refer to attached Figure 5 , a construction method for manual hole-digging piles, comprising the following steps:

[0031] Step a: Clean up the construction site, measure and locate the pile position, excavate the soil at the opening of the pile hole to be constructed, and set a concrete retaining ring at the top of the pile hole.

[0032] Step b: Combine the attached figure 1 and 2 , the inner formwork 11 and the inner bottom formwork 12 are installed in the annular area of ​​the inner wall below the pile hole, the outer formwork 21 and the outer bottom formwork 22 are arranged outside the inner formwork 11, and the inner formwork 11, the inner bottom formwork 12 and the soil body The first pouring space 1 is formed, and the second pouring space 2 is formed between the inner formwork 11, the outer formwork 21 and the outer bottom formwork 22. The ...

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Abstract

The invention discloses a construction method of a manual hole digging pile and overcomes the defect that the construction method of the manual hole digging pile is long in construction period and the waiting time among construction steps is long. The key point of the technical scheme is as follows: the construction method of the manual hole digging pile comprises the following steps of: forming a first pouring space among an inner mold plate, an inner bottom mold plate and a soil body; forming a second pouring space among the inner mold plate, an outer mold plate and an outer bottom mold plate; arranging an oblique guide plate which extends to the bottom of the outer mold plate above on the top of the inner mold plate below; and removing the outer mold plate and the outer bottom mold plate above, wherein concrete in the second pouring space flows into the first pouring space of the inner mold plate below, so that concrete flows into the first pouring space below, and therefore, the concrete setting time can be obviously shortened, and the construction period is shortened greatly.

Description

technical field [0001] The invention relates to a construction method for artificial hole-digging piles. Background technique [0002] Artificially digging concrete pouring piles, referred to as manual digging piles or digging piles, is a type of pile that uses manual digging, places steel cages in the holes, and pours concrete. The common construction method is to manually excavate the soil (rock) to form a round hole, and every 1m or so to dig a formwork to pour a circle of concrete retaining wall, so as to continue to dig until the depth required by the design, manual excavation pile foundation construction , often encounter loose gravel stratum or loose gravel stratum in sections within the range of the pile body. In order to prevent hole collapse, construction methods such as all-steel casing bored piles, immersed pipe (prefabricated concrete pipe) excavated piles, and one-time soil grouting reinforcement are usually used in construction. Although the above constructio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/38E02D15/04E02D5/66
CPCE02D5/385E02D5/665E02D15/04E02D2250/0023
Inventor 徐晓亮吴强华
Owner WENZHOU HUALONG CONSTR CO LTD
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