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An explosion-proof and shock-proof fabricated beam-column joint construction method

A beam-column joint and construction method technology, which is applied to formwork/formwork/work frame, on-site preparation of building components, construction, etc., can solve problems such as the core area of ​​the beam-column joint itself, and achieve explosion-proof camouflage performance. Good, reduce on-site construction time, improve the effect of quality reliability

Inactive Publication Date: 2019-01-25
ZHONGBEI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Application number CN 201611085395.5 discloses a prefabricated beam-column joint structure and its construction method, mainly for pouring UHPC for post-cast section connection, and has not targeted the core area of ​​the beam-column joint itself

Method used

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  • An explosion-proof and shock-proof fabricated beam-column joint construction method
  • An explosion-proof and shock-proof fabricated beam-column joint construction method
  • An explosion-proof and shock-proof fabricated beam-column joint construction method

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Embodiment Construction

[0054] Such as Figure 1-Figure 7 As shown, an explosion-proof and impact-proof assembled frame structure beam-column joint, its manufacture includes the following steps:

[0055] 1) Prefabricated column section is 600×600mm, length 1800mm, beam section is 300×600mm, length 1800mm, prefabricated column sealing steel formwork according to this size, wherein the column bottom sealing formwork 41 adopts hot-rolled Q345B steel with a thickness of 10mm, and the cross section is 1000mm ×1000mm, column top sealing formwork 43 and beam sealing steel formwork 42 are both made of hot-rolled Q345B steel with a thickness of 5mm. Both the first prefabricated template 2 and the second prefabricated template 3 are also made of hot-rolled Q345B steel with a thickness of 3mm, and three layers of antirust paint are painted on the surface of the steel plate, with a total thickness of 100 μm.

[0056] 2) Reinforcement holes 71 are reserved on the column sealing steel formwork and beam sealing st...

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Abstract

The invention discloses a design method for an anti-explosion and anti-impact fabricated beam-column joint and belongs to the technical field of building structures. The design method is conducted according to the following steps that a first prefabricated formwork, a second prefabricated formwork, column sealing steel formworks and beam sealing steel formworks are manufactured; the first prefabricated formwork is mounted on an operation frame; a positioning joint steel bar framework is hoisted onto the first prefabricated formwork; the column bottom sealing steel formworks and the four beam sealing steel formworks are mounted; UHPC pouring is conducted for the first time; the second prefabricated formwork is mounted; UHPC pouring is conducted for the second time; the column top sealing steel formworks are mounted; the joint is sent to a curing room to be cured for the first time at the temperature of 45 DEG C; the temperature of the curing room is increased to be 90 DEG C, and steam curing is conducted; the prefabricated joint taken out of the curing room is subjected to standard curing; and the standard-cured prefabricated joint is transported to a site, hoisted to the specified position and connected with a site overall beam-column structure, then forms a complete framework structure and then is connected to be a whole through concrete pouring. The joint is used for an anti-explosion and anti-impact fabricated beam-column.

Description

technical field [0001] The invention relates to an explosion-proof and impact-proof assembled beam-column joint construction method, which belongs to the technical field of building structures, and in particular relates to an explosion-proof and impact-proof assembled beam-column. Background technique [0002] Industrial production accidents, terrorist attacks and wars may cause buildings to be affected by explosion shocks. Severe explosion accidents may even cause continuous collapse of buildings, causing a large number of casualties and property losses. It is particularly important to improve the anti-blast design of the important structural nodes of buildings; beam-column joints are the key joint parts of frame structures and bridge structures. In structural design, strong joints and weak members are required. Under the action of explosion shock waves, if the joints are damaged first, It can easily lead to the overall collapse of the overall structure. [0003] Applicati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/21E04G13/02
CPCE04B1/21E04G13/02
Inventor 耿少波李洪薛建英刘亚玲王万月王泽宇
Owner ZHONGBEI UNIV
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