CN103075019A - Dismountable steel truss system for reinforcing concrete framework and construction method of dismountable steel truss system - Google Patents
Dismountable steel truss system for reinforcing concrete framework and construction method of dismountable steel truss system Download PDFInfo
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- CN103075019A CN103075019A CN2012104460518A CN201210446051A CN103075019A CN 103075019 A CN103075019 A CN 103075019A CN 2012104460518 A CN2012104460518 A CN 2012104460518A CN 201210446051 A CN201210446051 A CN 201210446051A CN 103075019 A CN103075019 A CN 103075019A
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Abstract
The invention belongs to the field of building construction and particularly discloses a dismountable steel truss system for reinforcing a concrete framework and a construction method of the dismountable steel truss system. The system comprises single-angle steel components and double-angle steel components, wherein four corners of a concrete framework column are provided with the double-angle steel components, the adjacent two double-angle steel components are connected through a pull rod head and a pull rod, the corner part of a beam is also provided with double-angle steel components, support seat angle steel is arranged under the double-angle steel components arranged at the corner part of the beam and is connected with the double-angle steel components arranged at the periphery of the concrete framework column, the top of the beam is provided with single-angle steel components, an angle steel vertical rod is connected with the double-angle steel components and the single-angle steel components arranged on the beam, and the single-angle steel components arranged in the longitudinal and transverse directions and the node position of the beam and the concrete framework column are connected through angle braces. The double-angle steel is added at the outer sides of the concrete framework column and the beam for fixation, in addition, the pull rod is used for tensioning, the pretension pressure is generated on the beam and the concrete framework column, and the goal of improving the bearing force of the framework is reached. The reinforcing system has the characteristic that the repeated use can be realized.
Description
Technical field
The invention belongs to the realm of building construction, be specifically related to a kind of system of reinforced concrete framework.
Background technology
A lot of buildings are because service life is long, and Lack of support need to be set up bracing means, to guarantee safety.When some builds especially the ancient building Lack of support, need to reinforce building according to the principle of minimal intervention.This type of building unit is reinforced to repair strict requirement, and it is unallowed generally removing and pick cutter.Therefore used reinforcement system enough under the large prerequisite, does not affect the structure of building at bearing capacity as far as possible.Although existing reinforcement system bearing capacity is enough, be subject to the restriction of building structure itself during its construction, operation inconvenience can not be reused.
Summary of the invention
The objective of the invention is for above-mentioned the deficiencies in the prior art, a kind of detachable steel girder system and job practices thereof of reinforced concrete framework is provided.
Technical scheme of the present invention realizes in the following manner: a kind of detachable steel girder system of reinforced concrete framework, comprise single-angle member and double angle member, described single-angle member comprises single angle and single angle junction plate, the single angle junction plate is provided with the single angle connecting hole, described double angle member comprises reinforcing angle and supports angle steel, be connected with the double angle junction plate between reinforcing angle and the support angle steel, the double angle junction plate is provided with the double angle bolt hole, four jiaos at the concrete frame trestle are provided with the double angle member, pass through drawhead between adjacent two double angle members, pull bar links to each other; Bight at beam also is provided with the double angle member, the double angle member below in beam bight is provided with seat angle, seat angle links to each other with concrete frame trestle double angle member all around, back section is provided with single-angle member, single-angle member on the angle steel montant tie-beam and double angle member are at beam, concrete frame trestle node location, the single angle on the both direction links to each other by angle brace in length and breadth.
A kind of detachable steel girder system job practices of reinforced concrete framework, carry out in the following manner:
(1) peels off the rendering layer of intending reinforced concrete frame column and beam facing, its bight is polished into fillet;
(2) welding double angle member;
(3) the double angle member is buckled in four jiaos of concrete frame trestles, then with pull bar the mutual drawknot of double angle member is fixed, the bottom of double angle member in flooring, is that bolt links to each other by backplanes support between pull bar and the double angle member;
(4) the double angle member is buckled in the beam bottom comer, back section buckles single angle in both sides, according to the spacing of double angle junction plate welding single angle junction plate, and open the single angle connecting hole, utilize the angle steel montant with beam at the bottom of the single-angle member of double angle member and back connect as one;
(5) fixed bearing angle steel on the double angle member around the concrete frame trestle, seat angle are positioned at the double angle member below in beam bight, are used for supporting the top beam and reinforce steel truss; With angle brace with in the bean column node position in length and breadth the single angle of both direction connect as one;
(6) when needs are removed above-mentioned reinforcing steel truss, unclamp each connecting bolt and can finish dismounting, the steel truss after the dismounting can be reused.
The present invention reinforces by increase double angle outside concrete frame trestle and beam, and with the pull bar tension, beam and concrete frame trestle is produced preload pressure, reaches the purpose of raising framework for carrying power, and this reinforcement system has reusable characteristics.The present invention constructs according to the minimal intervention principle, and realizes reinforcing the reversibility of repairing, and also can be used for interim or permanent reinforcement general concrete frame construction simultaneously, to improve the bearing capacity of its frame beam column.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A generalized section of Fig. 1.
Fig. 3 is the B-B generalized section of Fig. 1.
Fig. 4 is the enlarged diagram in C zone among Fig. 3.
Fig. 5 is the structural representation of single-angle member.
Fig. 6 is concrete frame trestle, girder connection positional structure schematic diagram.
The specific embodiment
As shown in drawings, a kind of detachable steel girder system of reinforced concrete framework, comprise single-angle member 21 and double angle member 20, described single-angle member 21 comprises single angle 12 and single angle junction plate 13, single angle junction plate 13 is provided with single angle connecting hole 14, described double angle member 20 comprises reinforcing angle 2 and supports angle steel 3, be connected with double angle junction plate 4 between reinforcing angle 2 and the support angle steel 3, double angle junction plate 4 is provided with double angle bolt hole 5, four jiaos at concrete frame trestle 1 are provided with double angle member 20, pass through drawhead 7 between adjacent two double angle members 20, pull bar 6 links to each other; Bight at beam 10 also is provided with double angle member 20, the double angle member below in beam 10 bights is provided with seat angle 19, supporting angle steel 19 links to each other with concrete frame trestle double angle member all around, beam 10 tops are provided with single-angle member 21, single-angle member 21 and double angle member 20 on angle steel montant 15 tie-beams 10 are at beam, concrete frame trestle node location, the single angle 12 on the both direction links to each other by angle brace 17 in length and breadth.
A kind of detachable steel girder system job practices of reinforced concrete framework, carry out in the following manner:
(1) peels off the rendering layer of intending reinforced concrete frame column 1 and beam 10 facings, its bight is polished into fillet;
(2) welding double angle member 20, double angle junction plate 4 common interval 200mm～300mm, and bore the double angle bolt hole 5 of two cylinder lever connecting rods 6, described pull bar 6 is reinforcing pull rods;
(3) double angle member 20 is buckled in 1 four jiaos of concrete frame trestles, then with pull bar 6 double angle member 20 mutual drawknots are fixed, the bottom of double angle member 20 is supported in flooring by base plate 9, and pull bar 6 links to each other with drawhead 7, and drawhead 7 is connected on the double angle bolt hole 5;
(4) double angle member 20 is buckled in beam 10 bottom comer, single angle 12 is buckled in both sides, beam 10 top, spacing welding single angle junction plate 13 according to double angle junction plate 4, and open single angle connecting hole 14, utilize angle steel montant 15 that the single-angle member of double angle member and back at the bottom of the beam is connected as one;
(5) fixed bearing angle steel 19 on the double angle member around the concrete frame trestle, seat angle 19 are positioned at the double angle member below in beam 10 bights, are used for supporting the top beam and reinforce steel truss; With angle brace 17 with in the bean column node position in length and breadth the single angle 12 of both direction connect as one, form space truss structure;
(6) when needs are removed above-mentioned reinforcing steel truss, unclamp each connecting bolt and can finish dismounting, the steel truss after the dismounting can be reused.
The detachable steel girder system of reinforced concrete framework of the present invention can be reused, and the connection of angle brace, drawhead, angle steel montant, seat angle etc. all is that bolt connects, and is convenient to Assembling and dismounting.
Claims (2)
1. the detachable steel girder system of a reinforced concrete framework, it is characterized in that: comprise single-angle member (21) and double angle member (20), described single-angle member (21) comprises single angle (12) and single angle junction plate (13), single angle junction plate (13) is provided with single angle connecting hole (14), described double angle member (20) comprises reinforcing angle (2) and supports angle steel (3), be connected with double angle junction plate (4) between reinforcing angle (2) and the support angle steel (3), double angle junction plate (4) is provided with double angle bolt hole (5), four jiaos at concrete frame trestle (1) are provided with double angle member (20), pass through drawhead (7) between adjacent two double angle members (20), pull bar (6) links to each other; Also be provided with double angle member (20) in the bight of beam (10), the double angle member below in beam (10) bight is provided with seat angle (19), seat angle (19) links to each other with concrete frame trestle double angle member all around, beam (10) top is provided with single-angle member (21), single-angle member (21) on angle steel montant (15) tie-beam (10) and double angle member (20) are at beam, concrete frame trestle node location, the single angle (12) on the both direction links to each other by angle brace (17) in length and breadth.
2. the detachable steel girder system job practices of a reinforced concrete framework it is characterized in that carrying out in the following manner:
(1) peels off the rendering layer of intending reinforced concrete frame column (1) and beam (10) facing, its bight is polished into fillet;
(2) welding double angle member (20);
(3) double angle member (20) is buckled in (1) four jiao of concrete frame trestle, then use pull bar (6) that the mutual drawknot of double angle member (20) is fixed, the bottom of double angle member (20) is supported in flooring by base plate (9), is that bolt links to each other between pull bar and the double angle member;
(4) double angle member (20) is buckled in beam (10) bottom comer, single angle (12) is buckled in beam (10) both sides, top, spacing welding single angle junction plate (13) according to double angle junction plate (4), and open single angle connecting hole (14), utilize angle steel montant (15) that the single-angle member of double angle member and back at the bottom of the beam is connected as one;
(5) fixed bearing angle steel (19) on the double angle member around the concrete frame trestle, seat angle (19) are positioned at the double angle member below in beam (10) bight, are used for supporting the top beam and reinforce steel truss; With angle brace (17) with in the bean column node position in length and breadth the single angle of both direction (12) connect as one;
(6) when needs are removed above-mentioned reinforcing steel truss, unclamp each connecting bolt and can finish dismounting, the steel truss after the dismounting can be reused.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446051.8A CN103075019B (en) | 2012-11-09 | 2012-11-09 | Dismountable steel truss system for reinforcing concrete framework and construction method of dismountable steel truss system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446051.8A CN103075019B (en) | 2012-11-09 | 2012-11-09 | Dismountable steel truss system for reinforcing concrete framework and construction method of dismountable steel truss system |
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| CN103075019A true CN103075019A (en) | 2013-05-01 |
| CN103075019B CN103075019B (en) | 2015-04-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464399A (en) * | 2015-12-23 | 2016-04-06 | 沈阳建筑大学建筑设计研究院 | Prefabricated checkered plate steel truss strengthening reinforced concrete frame beam structure and strengthening method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU771304A1 (en) * | 1979-01-03 | 1980-10-15 | Макеевский Инженерно-Строительный Институт | Method of reinforcing compressed elements |
| CN1401873A (en) * | 2002-09-05 | 2003-03-12 | 杜旌 | Method for pre-stressed reinforcing concrete compression member |
| CN1702271A (en) * | 2005-06-30 | 2005-11-30 | 贵阳铝镁设计研究院 | Method and structure for reinforcing concrete post using angle steel |
| JP2006063608A (en) * | 2004-08-26 | 2006-03-09 | East Japan Railway Co | Antiseismic reinforcing structure for concrete construction, and method of constructing the same |
-
2012
- 2012-11-09 CN CN201210446051.8A patent/CN103075019B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU771304A1 (en) * | 1979-01-03 | 1980-10-15 | Макеевский Инженерно-Строительный Институт | Method of reinforcing compressed elements |
| CN1401873A (en) * | 2002-09-05 | 2003-03-12 | 杜旌 | Method for pre-stressed reinforcing concrete compression member |
| JP2006063608A (en) * | 2004-08-26 | 2006-03-09 | East Japan Railway Co | Antiseismic reinforcing structure for concrete construction, and method of constructing the same |
| CN1702271A (en) * | 2005-06-30 | 2005-11-30 | 贵阳铝镁设计研究院 | Method and structure for reinforcing concrete post using angle steel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464399A (en) * | 2015-12-23 | 2016-04-06 | 沈阳建筑大学建筑设计研究院 | Prefabricated checkered plate steel truss strengthening reinforced concrete frame beam structure and strengthening method |
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| CN103075019B (en) | 2015-04-15 |
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