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Pre-buried anchor rod connecting structure penetrating through pre-built building and construction method thereof

A technology for connecting structures and anchor rods, which is applied in the direction of infrastructure engineering, construction, and infrastructure repair to achieve the effect of saving construction costs, adapting to on-site construction, and facilitating construction.

Pending Publication Date: 2021-07-13
JIAN YAN FOUND ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a pre-embedded bolt connection structure passing through pre-built buildings and its construction method, which are used to solve the pre-embedded, convenient installation and cost-saving of anchor rods required for reinforcement of one side of the foundation pit in pre-built construction projects. technical issues such as time and

Method used

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  • Pre-buried anchor rod connecting structure penetrating through pre-built building and construction method thereof
  • Pre-buried anchor rod connecting structure penetrating through pre-built building and construction method thereof
  • Pre-buried anchor rod connecting structure penetrating through pre-built building and construction method thereof

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Embodiment Construction

[0036] Taking a proposed project as an example, the proposed project includes 1#, 2# commercial buildings, 3#~6# residential buildings and underground garages.

[0037] When supporting the foundation pits of 3#~6# residential buildings and underground garages, the structures of 1# and 2# commercial buildings have been sealed; The elevation is 34.600, CFG pile composite foundation is adopted, and plum-shaped piles are arranged. 3#~6# residential buildings, 6~8 floors above ground, 2 floors underground, raft foundation, using CFG pile composite foundation treatment, the bottom of the cushion layer is -8.750, and the absolute elevation is 29.050. The basement level of the underground garage is 2 floors, the raft foundation, the bottom elevation of the cushion layer is -8.550, and the absolute elevation is 29.250. The southeast and northwest corners are locally darker.

[0038]According to the geotechnical engineering survey report, within the depth of 35m in this survey, the up...

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Abstract

The invention discloses a pre-buried anchor rod connecting structure penetrating through a pre-built building and a construction method thereof. The connecting structure comprises a pre-built mattress layer connected to the lower portion of a pre-built foundation, a foundation reinforcing pile connected to the interior of a soil body below the pre-built mattress layer, a top beam connected to the top of a supporting pile, an anchor rod free section connected to the interior of the top beam and the interior of the pre-built mattress layer in a penetrating mode in advance, an anchor rod connected to the tail end of the anchor rod free section and connected to the lower portion of the existing ground, and a cement grouting body connected to the periphery of the anchor rod in a sleeving mode. According to the pre-buried anchor rod connecting structure penetrating through the pre-built building and the construction method thereof, through arrangement of the cement grouting body, a foundation is provided for anchoring advantageously; the anchor rod obliquely extends downwards, and thus anchoring force can be provided in the maximum range; through arrangement of the anchor rod free section, the early-stage anchoring effect can be ensured; and through arrangement of an anchoring conversion piece and an elastic pipe, stress transmission, transition and protection of anchoring of the anchor rod are facilitated. According to the pre-buried anchor rod connecting structure penetrating through the pre-built building and the construction method thereof, construction of the pre-built building is not affected, and the influence of too much construction period and construction cost on a later-period adjacent foundation pit excavation project is avoided.

Description

technical field [0001] The invention belongs to the technical field of bolt construction, and in particular relates to a pre-embedded bolt connection structure passing through pre-built buildings and a construction method thereof. Background technique [0002] At present, with the rapid development of urban construction, urban land is becoming more and more scarce. In order to fully improve the utilization rate of underground space, the underground part of high-rise buildings is also increasing, and the foundation pits are also getting bigger and deeper. Bolt technology is an efficient and economical rock-soil reinforcement technology, which has been widely used in deep foundation pit engineering of buildings. However, in actual building construction, when the foundation pit is excavated after the building is built first, if the foundation pit adopts technologies such as supporting piles and geographic treatment, it is not conducive to the layout of anchor rods; using other ...

Claims

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Application Information

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IPC IPC(8): E02D31/00E02D37/00E02D5/74E02D17/04E02D33/00
CPCE02D31/00E02D37/00E02D5/74E02D17/04E02D33/00E02D2600/30E02D2600/20
Inventor 李钦锐李湛段启伟唐君闫双跃江宁李鹏
Owner JIAN YAN FOUND ENG
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