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Construction technology of movable shielding iron box crossing tunnel top plate

A construction technology and mobile technology, which is applied in the field of mobile shielded iron box crossing tunnel roof construction, can solve the problems that the construction technology cannot meet its requirements, the construction technology cannot realize the function, etc., and achieves rapid installation, ensures installation accuracy and rigidity, Guarantee the effect of construction quality

Active Publication Date: 2015-05-27
GUANGDONG PROVINCIAL ARCHITECTURAL ENG MACHINERY CONSTR +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the special requirements for the structure of the neutron box and its radiation protection, higher requirements are put forward for the neutron box and its installation and construction, and the construction technology in the prior art cannot meet the requirements; in addition, due to the repeated use of the neutron box In the process of neutron box construction and installation, the problem of lifting the neutron box from the workplace in the later stage must be considered, and the construction technology in the prior art cannot realize the function. Therefore, the neutron box construction technology field urgently needs solve the problem

Method used

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  • Construction technology of movable shielding iron box crossing tunnel top plate
  • Construction technology of movable shielding iron box crossing tunnel top plate
  • Construction technology of movable shielding iron box crossing tunnel top plate

Examples

Experimental program
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Embodiment 1

[0051] 1. A mobile shielding iron box passes through the tunnel roof construction technology, which is characterized in that it comprises the following steps:

[0052] a. Install embedded parts and decoupling: After the steel bar 00 on the bottom plate under the iron box is bound, measure and position, and install two pieces along the center line of proton beam 01. The size is: 300mm (length) × 300mm (width) × 30mm (thickness) ) of the decoupling embedded part 02, the center line of the two decoupling embedded parts 02 coincides with the vertical projection of the center line of the proton beam, the plate elevation of the decoupling embedded part 02 is -12.600m, and the two decoupling embedded parts The net distance between 02 is 700mm, and the center distance is 1000mm. It is set symmetrically around the center of the iron box. : 200mm (width) × 10mm (thick) external sleeve embedded part 03, and make the plate surface elevation of the sleeve embedded part 03 -13.200m; the dec...

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Abstract

The invention relates to the field of building, and more particularly relates to a construction technology of a movable shielding iron box crossing tunnel top plate. The construction technology comprises the following steps: a, installing embedded parts and unhooking; b, installing a shielding iron box; c, installing lifting hooks; d, taking an external sleeve in place; e, installing plug members; f, welding and fixing the sleeve; g, pouring concrete inside and outside the sleeve; h, lifting a prefabricated concrete cover plate; I, embedding secondary structural steel reinforces and water-stop plates; j, pouring concrete on the tunnel top plate; k, completing the construction. The construction technology of the movable shielding iron box crossing tunnel top plate provided by the invention can realize the movement of a sub-box so as to facilitate the maintenance and reutilization of the sub-box; the sub-box adopts the installation technology, so that quick installation can be realized, the installation accuracy can be guaranteed, and the integral lifting of the sub-box can be realized; the secondary structural steel reinforces and the water-stop plates are reserved, so that the secondary structural construction needed in later can be facilitated, and the construction quality is guaranteed; due to the adoption of the concrete cover plate, the shielding iron box can be effectively protected during the construction process.

Description

technical field [0001] The invention relates to the construction field, and more specifically relates to a construction technology for a mobile shielding iron box passing through a tunnel roof. Background technique [0002] Due to the special properties of neutrons, neutron detection devices have become an indispensable weapon for scientists. Building a high-performance spallation neutron source has long been an important means for the developed countries to enhance their scientific and technological innovation capabilities. It is a large-scale scientific research device that reflects the comprehensive strength of a country's scientific and technological level, economic level and industrial level. However, neutrons have high penetrating ability, and their radiation hazards are great. In order to better shield neutron radiation, neutron shielding boxes need to be buried underground. [0003] Due to the special requirements for the structure of the neutron box and its ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21F17/00
CPCE21F17/00
Inventor 耿凌鹏冯亦文黄俊锐潘伟根莫承礼蓝志强陈韵民黄少鹏李强钟生
Owner GUANGDONG PROVINCIAL ARCHITECTURAL ENG MACHINERY CONSTR
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