Longhole rectangular terraced antiskid pile jump-preventing excavating construction

A technology for working face, landslide body, applied in the direction of excavation, sheet pile wall, foundation structure engineering, etc.

Inactive Publication Date: 2011-03-30
安通建设有限公司 +2
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  • Abstract
  • Description
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Problems solved by technology

The construction operation is simple, the construction period is short, and the project cost is saved. The application of the anti-slide pile construction technology with

Method used

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  • Longhole rectangular terraced antiskid pile jump-preventing excavating construction

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Embodiment Construction

[0005] 1. Operation points

[0006] 1.1 Construction preparation: measure the pile position, level the site, build cut-off and drainage facilities, clean and load-reduce the slope, and take protective measures such as spraying concrete, hanging nets, and building corner walls on the slope. Install the derrick, install the hoist and other equipment. Prepare the required tools, equipment, underground drainage and lighting facilities for each tool, and bury observation points for landslide deformation, displacement, and soil-water pressure, and record the initial values. Before excavation, φ48δ3.5 steel pipes are used to set up canopy brackets above the orifice, and the support is covered with colored strips to avoid rain, ensuring all-weather operation, and when it rains, there is no rainwater flowing down the orifice to wash the hole wall, and excavation around the orifice Gutters to prevent stagnant water and rainwater from flowing into the holes.

[0007] 1.2 Lock mouth pro...

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Abstract

The invention relates to longhole rectangular terraced antiskid pile jump-preventing excavating construction. The pile jump-preventing artificial excavation has the main characteristics of improving the construction efficiency to a maximum degree and providing necessary guarantee for emergency rescue and smoothness, along with less disturbance of mountains, safety, reliability, simplicity of constructional operation, multiple working surfaces and short construction period. A locking notch of an antiskid pile is reinforced necessarily on the premise of establishing the strict quality control and guarantee measures, monitoring points are distributed on a slip mass to monitor the variation condition of water pressure and soil pressure and multipoint displacement condition of the slip mass. The detailed construction scheme is formulated to organize construction, a rectangular orifice is subjected to lofting, the lofting of a five-point perpendicular line is controlled strictly, the delimitation in a hole is checked after each section of artificial excavating is finished, and the size and perpendicularity of the pile are controlled strictly. The quality of concrete strength of retaining walls is ensured. The terraced operation is performed in a mode of terraced excavation and the vertical displacement excavation, so that the operation depths of excavating piles are in accordance with a concave-convex mode, and the disturbance to unstable soil mass due to oversized excavating is avoided and the effect of expected construction is achieved.

Description

technical field [0001] The invention relates to the construction of row-by-row non-jump pile manual hole-digging piles on a loose accumulation body. Background technique [0002] In the construction of various geological disaster comprehensive treatment projects, it is more common to use anti-slide piles to control landslides, and the construction site is relatively narrow in the construction site, and machinery cannot be used for construction. In view of this, we actively tapped the potential to increase efficiency, and developed construction technical problems suitable for abundant groundwater, loose soil, and manual excavation while supporting anti-slide piles during the rainy season. The construction operation is simple, the construction period is short, and the project cost is saved. The application of the anti-slide pile construction technology with complex geological conditions in the rainy season is currently the first case in the construction of the same type of geo...

Claims

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Application Information

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IPC IPC(8): E02D5/38E02D17/06E02D17/20E02D1/02
Inventor 祁鹏
Owner 安通建设有限公司
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