CN206376447U - A kind of Bar Anchorage technology for substituting high tensile reinforcement crotch - Google Patents

Abstract

A kind of Bar Anchorage technology for substituting high tensile reinforcement crotch, by setting reinforced mesh 2 at the end anchorage of high-strength longitudinal reinforcement 1, reduce the anchorage length of high-strength longitudinal reinforcement 1, it is to avoid the bending up of high-strength longitudinal reinforcement 1, realize the target of the convenient anchoring of longitudinal reinforcement economy.

Description

A kind of Bar Anchorage technology for substituting high tensile reinforcement crotch

Technical field

This patent belongs to the technical field of civil engineering, is related to raising high tensile reinforcement anchoring property, applied to bridge, civilian All kinds of concrete structure engineerings such as building, hydro-structure.

Background technology

In all kinds of concrete structure engineerings such as bridge, work civil buildings, hydro-structure, anchorage length of steel bar is to ensure steel The important means of muscle adhesion strength.It is existing in China《Code for design of concrete structures》It is in middle regulation, general concrete structure Guarantee Bar Anchorage performance, it is necessary to the crotch of 90 ° or 135 ° grades is set in reinforcing bar end, by increasing in end bent-up bar Contact area greatly between reinforcing bar and concrete, the adhesion strength between reinforcing steel bar and concrete, the anchoring for reducing reinforcing bar is long Degree.High tensile reinforcement refers to yield strength in 400MPa and the reinforcing bar of the above, and the common species of high tensile reinforcement has：Microalloy hot-rolled strip The hot rolling of rib reinforcement, high ductility cold-rolled ribbed bars, waste heat treatment steel bar, fine grain hot-rolled ribbed bar, the trade mark with suffix " E " Ribbed Bar etc..High tensile reinforcement has intensity big, inflexible feature.As high tensile reinforcement is commonly used in engineering, The inflexible problem of high tensile reinforcement brings very big difficulty to Practical Project.Patent of invention " steel bar anchoring device and its construction The method " (patent No.：200610200301.4), a kind of utility model patent " Rebar anchor " (application number： 201120325361.5), a kind of utility model patent " Bar Anchorage termination " (application number：201420198899.8) introduce respectively Three kinds of mechanically joined anchor heads, though three of the above anchor head reduces amount of reinforcement, it is to avoid reinforcing bar crotch, due to need to be in steel Screw thread and processing anchor head are made in muscle end, and field operation amount remains unchanged very big.

From the point of view of patent, open source literature and practical engineering application is had at present, do not there is that a kind of constructing operation is convenient, avoid also To the Bar Anchorage technology of high tensile reinforcement crotch.

Utility model content

This patent technical problem to be solved is：A kind of Bar Anchorage technology for substituting high tensile reinforcement crotch is provided, with Solve the problem of high tensile reinforcement is difficult to bend up in concrete structure construction.

This patent solves the technical scheme that its technical problem used：

A kind of Bar Anchorage technology for substituting high tensile reinforcement crotch, including high-strength longitudinal reinforcement 1, reinforced mesh 2, its feature It is by setting n groups reinforced mesh 2 at the high-strength end anchorage position of longitudinal reinforcement 1 of concrete structure, to avoid to high-strength The crotch of longitudinal reinforcement 1, it is ensured that the anchoring strength of high-strength longitudinal reinforcement 1；

A kind of Bar Anchorage technology for substituting high tensile reinforcement crotch, it is characterised in that n=1~5；The spacing L of reinforced mesh 2 =50~500mm；Diameter d=5~25mm of reinforced mesh 2；Mesh size a × b=10 × 10~100 of reinforced mesh 2 × 100mm²。

The beneficial effect of this patent is：

A kind of Bar Anchorage technology for substituting high tensile reinforcement crotch, by being set at the end anchorage of high-strength longitudinal reinforcement 1 Reinforced mesh 2 is put, the anchorage length of high-strength longitudinal reinforcement 1 is reduced, it is to avoid the crotch of high-strength longitudinal reinforcement 1, is realized vertical To the target of the convenient anchoring of reinforcing bar economy.

Brief description of the drawings

The position view in concrete component of Fig. 1 reinforced mesh 2

Fig. 2 reinforced mesh 2 is in concrete component neutral surface schematic diagram

I-I sectional schematic diagram in concrete component of Fig. 3 reinforced mesh 2

In figure：1-high-strength longitudinal reinforcement；2-reinforced mesh；The spacing of L-reinforced mesh 2；The mesh of a-reinforced mesh 2 is wide Degree；The mesh height of b-reinforced mesh 2.

Embodiment

This patent is described further with reference to accompanying drawing：

Embodiment：One rectangular section concrete component, at longitudinal high tensile reinforcement anchoring, sets 2 groups of reinforced mesh 2, Away from for L=50mm.

Step one：Choose the reinforced mesh 2, n=2 of suitable quantity specifications；The spacing of reinforced mesh 2 is L=50mm； The diameter d=10mm of reinforced mesh 2；Mesh size a × b=10 × 10mm of reinforced mesh 2², such as Fig. 2.

Step 2：By the colligation of reinforced mesh 2 in the steel reinforcement cage comprising high-strength longitudinal reinforcement 1, casting concrete forms mixed Solidifying soil component, such as Fig. 1.By setting reinforced mesh 2 at the end anchorage of high-strength longitudinal reinforcement 1, high-strength longitudinal steel is reduced The anchorage length of muscle 1, it is to avoid the crotch of high-strength longitudinal reinforcement 1, realizes the target of the convenient anchoring of longitudinal reinforcement economy.

In summary, this patent provides a kind of Bar Anchorage technology for substituting high tensile reinforcement crotch, and the technology can subtract The anchorage length of longitudinal reinforcement is lacked, it is to avoid Bar Anchorage area reinforcing bar density excessive and live high tensile reinforcement crotch difficulty etc. is asked Topic, eliminates the field operation for making screw thread and processing anchor head.This patent has novelty, practicality, meets utility model special Sharp each requirement, therefore utility application is proposed in accordance with the law.

Claims (2)

1. a kind of Bar Anchorage technology for substituting high tensile reinforcement crotch, including high-strength longitudinal reinforcement (1), reinforced mesh (2), it is special Levy and be by setting n groups reinforced mesh (2) at the high-strength longitudinal reinforcement of concrete structure (1) end anchorage position, to avoid High-strength longitudinal reinforcement (1) is bent up, it is ensured that the anchoring strength of high-strength longitudinal reinforcement (1).

2. a kind of Bar Anchorage technology for substituting high tensile reinforcement crotch according to claim 1, it is characterised in that n=1~ 5；Spacing L=50~500mm of reinforced mesh (2)；Diameter d=5~25mm of reinforced mesh (2)；The mesh of reinforced mesh (2) Size a × b=10 × 10~100 × 100mm²。