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Anchoring joint of newly added frame rebar and original structure and construction method of anchoring joint

A steel bar and frame technology, which is applied in the field of newly added frame steel bars and the anchorage nodes of the original structure, can solve the problems of small construction space and insufficient depth of planting bars, etc., and achieve the goal of reducing construction difficulty, simple node form, and ensuring structural stability Effect

Active Publication Date: 2014-03-05
CHINA CONSTR FIRST GRP THE SECOND CONSTR
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a new frame steel bar and the original structure anchoring node and its construction method, to solve the problem of anchoring the new steel bar when the depth of the planting bar is not enough or the construction space is small, and the seismic requirements of the core area of ​​the node technical issues

Method used

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  • Anchoring joint of newly added frame rebar and original structure and construction method of anchoring joint
  • Anchoring joint of newly added frame rebar and original structure and construction method of anchoring joint
  • Anchoring joint of newly added frame rebar and original structure and construction method of anchoring joint

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Embodiment Construction

[0038] Examples see Figure 1-8 As shown, a new frame steel bar anchored to the original structure node, including the original concrete structure on both sides 1, the connection hole opened in the original concrete structure 2, the new frame steel bar 3, straight thread connection sleeve 4 and The backing plate 5, the newly added frame reinforcement 3 includes at least the upper main reinforcement 3.1 and the lower main reinforcement 3.2. The connecting holes 2 penetrate the original concrete structure 1 on one or both sides, and the connecting holes 2 on both sides are on the same straight line. A threaded fastener 6 is provided on one or both ends of the newly added frame steel bar 3, and the threaded thread end passes through the connecting hole 2 from the inside out, and is anchored to the original concrete structure 1 by using a backing plate 5 and a straight thread connecting sleeve 4 Outside, see Figure 8-9 As shown, the inner diameter a of the straight thread connectin...

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Abstract

The invention relates to an anchoring joint of a newly added frame rebar and an original structure and a construction method of the anchoring joint. The joint comprises original concrete structures on the two sides, connecting holes formed in the original concrete structures, the newly added frame rebar, straight thread connection sleeves and backing plates, wherein the newly added frame rebar at least comprises an upper layer main rebar and a lower layer main rebar, the connecting holes penetrate through the original concrete structure on one side or the original concrete structures on the two sides, moreover, the connecting holes on the two sides are in the same straight line, threads are arranged at the end on one side or the ends on the two sides of the newly added frame rebar, the threaded ends penetrate through the connecting holes from inside to outside, the backing plates and the straight thread connection sleeves are used for being anchored on the outer sides of the original concrete structures, and the inner diameter of the straight thread connection sleeves fits the outer diameter of the threaded ends. The problem of anchoring the newly added rebar when the depth of an embedded rebar is insufficient or construction space is small is solved, and the technical problem of earthquake-resistant requirements in joint core areas is solved.

Description

Technical field [0001] The invention relates to a connection node of a building component and a construction method thereof, in particular to a node where a newly-added frame steel bar is anchored to an original structure. Background technique [0002] At the construction site, certain structural members are often added due to design changes and on-site construction needs. The reinforcement of this part of the new structural members needs to be reliably connected to the original structure. The traditional method generally adopts the rebar planting process, that is, drilling rebar holes in the original structure, injecting rebar glue into the rebar holes and then implanting the rebar of the new structure, so that the new rebar can be reliably connected to the original structure. The process method is currently widely used in construction engineering. [0003] It is more complicated to use planting glue to handle the nodes of the new and old structures, and the reinforcement of the ...

Claims

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Application Information

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IPC IPC(8): E04B1/38E04G21/00
Inventor 鲍喜臣郭瑞敏李松岷刘金龙潘家友尹建楠李金元季文君
Owner CHINA CONSTR FIRST GRP THE SECOND CONSTR
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