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A Construction Technology of High Precision Reinforced Concrete Reaction Wall

一种钢筋混凝土、施工工艺的技术，应用在建筑材料的处理、建筑、建筑物构造等方向，能够解决很难达到精度等问题，达到施工精度容易控制、减小误差、加快施工进度的效果

Active Publication Date: 2015-08-05
SHANDONG SHOUGUANG NO 1 CONSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]The key technologies involved in the construction of the reaction wall include mass concrete construction, steel bar connection, formwork support, loading groove axis and flatness control, loading hole installation flatness and center distance control, using traditional construction methods, it is difficult to achieve the accuracy required by the design

Method used

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  • A Construction Technology of High Precision Reinforced Concrete Reaction Wall
  • A Construction Technology of High Precision Reinforced Concrete Reaction Wall
  • A Construction Technology of High Precision Reinforced Concrete Reaction Wall

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Embodiment Construction

[0043] In an embodiment, a structural mechanics laboratory is selected with a building area of ​​720 square meters. The reaction wall pedestal is 14.9 meters wide from north to south, 22.6 meters long from east to west, and 1.8 meters thick. The storey height is 2.5 meters, the third storey height is 2.7 meters, the wall thickness is 1.2 meters, the total concrete consumption is 951.78 cubic meters, the steel bar is 460 tons, the formwork is 790 square meters, and the spacing of loading holes is 500mm.

[0044] The vertical angle steel bracket is L80×50×8, the horizontal angle steel bracket is L50×4,

[0045] The design requirement error is:

[0046] The flatness of the loading groove surface is ≤3mm, and the axis offset is ≤1.5mm;

[0047] The flatness of the loading hole installation is ≤1.5mm, and the displacement of the center distance is ≤1.5mm;

[0048] The verticality deviation of the reaction wall is ≤5mm.

[0049] The specific construction process is as follows:

...

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Abstract

The invention discloses a construction technology of a high-precision reinforced concrete reaction wall. The construction technology comprises the following steps of: a, laying a pedestal cushion layer, and paying off and positioning a pedestal loading slot on the pedestal cushion layer; b, constructing and calibrating a positioning steel frame of the pedestal loading slot; c, binding reaction wall pedestal reinforcing steel bars and reaction wall vertical reinforcing steel bars; d, fixing and calibrating the loading slot; e, erecting a pedestal template; f, performing concrete casting on a reaction wall pedestal; g, binding reaction wall reinforcing steel bars, and placing a loading hole; h, vertically and horizontally adjusting the loading hole; i, erecting a reaction wall template; and j, performing concrete casting on the reaction wall. By using processing equipment of the loading hole, the processing shaping precision of the loading hole is effectively guaranteed; the welding deformation is reduced; the vertical degree of the loading hole is guaranteed; the mass production can be performed, and the working period is saved. By the technology in the invention, the construction precision is easily controlled.

Description

technical field [0001] The invention relates to a construction technique of a high-precision reinforced concrete reaction wall for a structural mechanics laboratory, which is suitable for the construction of a reaction wall with channel steel loading slots and loading holes, and belongs to the field of main body construction of building engineering structures. Background technique [0002] The reaction wall is an important facility for pseudo-static or pseudo-dynamic tests of various structural components, structural materials and structural systems in engineering mechanics laboratories, usually including two parts: the reaction wall pedestal and the loading wall, which are pre-buried in the loading wall The error control of the loading hole and the loading groove in the reaction wall pedestal is very strict, requiring the surface flatness error of the loading groove ≤ 3mm, the axis deviation ≤ 1.5mm; the loading hole installation flatness error ≤ 1.5mm, and the center distan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/02E04G21/12
Inventor 程助远常红霞崔焱王良栋韩倩
Owner SHANDONG SHOUGUANG NO 1 CONSTR CO LTD
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