CN103669861A - Construction method of stiffening steel plate shear wall which bears limited vertical loads - Google Patents
Construction method of stiffening steel plate shear wall which bears limited vertical loads Download PDFInfo
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- CN103669861A CN103669861A CN201310585000.8A CN201310585000A CN103669861A CN 103669861 A CN103669861 A CN 103669861A CN 201310585000 A CN201310585000 A CN 201310585000A CN 103669861 A CN103669861 A CN 103669861A
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Abstract
The invention discloses a construction method of a stiffening steel plate shear wall which bears limited vertical loads. The construction method includes the following steps that firstly, the left end and the right end of a foundation steel beam is connected with a left steel column and a right steel column; secondly, a bottom layer steel plate is installed; thirdly, middle layer steel plates are installed, and deformation gaps are reserved between the bottom layer steel plate and the first middle layer steel plate and between the adjacent middle layer steel plates; fourthly, the third step is repeatedly conducted, the middle layer steel plates continue to be installed upwards until the middle layer steel plates reach a top layer steel plate, the upper portion of the top layer steel plate is connected with a (n+1)th layer steel beam, the left side and the right side of the top layer steel plate are connected with the left steel column and the right steel column respectively, deformation gaps are formed between the top layer steel plate and the (n-1)th middle layer steel plate, and after construction of a main structure is finished, the deformation gaps are welded; fifthly, after the welding operation is finished, the structure of the steel plate shear wall which bears the limited vertical loads is installed. By the adoption of the construction method, the limited vertical loads are effectively borne, construction speed is greatly increased, and the construction period is shortened.
Description
Technical field
The invention belongs to steel building field, relate in particular to a kind of construction method of shear wall.
Background technology
In highrise building steel plate shear force wall design at present, all suppose a steel plate wall Under Lateral Loading, vertical load is born by the frame column of periphery completely.Steel plate shear force wall will treat that main body binds, and mainly dead load is installed after all having completed again.The Tianjin former scheme of Jin Ta engineering adopt this sequence of construction can make the construction period of agent structure greatly extend, as can be extended the duration for 10 months; And because the additional dead loads such as finishing layer and service load are after-applied in use, vertical stress still can be delivered on steel plate shear force wall.In addition, apply at present more to draw the thin steel plate shear wall of position Theoretical Design, can the invar bucking of plate and send larger noise, the normal use of impact building in operational phase.
Summary of the invention
In order to overcome the deficiency that can not bear limited vertical load, extend the construction period of steel building of the construction method of existing highrise building steel plate shear force wall, the invention provides a kind of construction method of effectively bearing limited vertical load, greatly improving the stiffened steel plate shear wall that bears limited vertical load of speed of application, minimizing construction period.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of construction method of bearing the stiffened steel plate shear wall of limited vertical load, described stiffened steel plate shear wall comprises that steel column is connected with left and right steel column with two ends, girder steel left and right described in girder steel, girder steel comprises basic girder steel, the 2nd layer of girder steel, n+1 layer girder steel, n is the number of plies of building, and described construction method comprises the following steps:
The first step: the two ends, left and right of basic girder steel are connected with left and right steel column;
Second step: installing bottom layer steel plate, the bottom of described bottom steel plate is connected with basic girder steel, and the left and right sides of described bottom steel plate is connected with left and right steel column respectively;
The 3rd step: intermediate layer steel plate is installed, intermediate layer steel plate comprises the 1st layer of intermediate layer steel plate, the 2nd layer of intermediate layer steel plate from bottom to top, n-1 layer intermediate layer steel plate, i is natural number and 1≤i≤n-1, and the middle part of i layer intermediate layer steel plate is connected with i+1 layer girder steel, and the left and right sides at the middle part of i layer intermediate layer steel plate is connected with left and right steel column respectively, between described bottom steel plate and the 1st layer of intermediate layer steel plate, be provided with deformation gap, between neighbouring intermediate layer steel plate, be provided with deformation gap;
The 4th step: repeat above-mentioned the 3rd step, continue upwards to install intermediate layer steel plate, until top layer steel plate, the top of described top layer steel plate is connected with n+1 layer girder steel, the left and right sides of described top layer steel plate is connected with left and right steel column respectively, between described top layer steel plate and n-1 layer intermediate layer steel plate, be provided with deformation gap, until after the construction of agent structure, then carry out between described bottom steel plate and nethermost intermediate layer steel plate, the welding between adjacent intermediate layer steel plate, between described top layer steel plate and uppermost intermediate layer steel plate;
The 5th step: after work to be welded completes, bear the steel plate shear wall structure installation of limited vertical load.
Further, between two ends, described girder steel left and right and left and right steel column, between steel plate both sides, described intermediate layer and left and right steel column, between the left and right sides and left and right steel column of described bottom steel plate, between the left and right sides of described top layer steel plate and left and right steel column, be bolted;
In described second step, described bottom steel plate is connected high-strength bolt used only to carry out just twisting with steel column, is connected high-strength bolt used and carries out just twisting between intermediate layer steel plate and steel column; In described the 5th step, carry out the multiple of high-strength bolt and twist and twist eventually.
Further, in described the 4th step, between steel plate both sides, described intermediate layer and left and right steel column, weld.
The middle part of described intermediate layer steel plate and girder steel welding.This structure is now prefabricated in factory.
Bottom steel plate of the present invention, intermediate layer steel plate and top layer steel plate are the steel plate of putting more energy into, and the sidewall of steel plate is provided with the muscle of putting more energy into.
Technical conceive of the present invention is: steel plate shear force wall bears after vertical load, and horizontal shear strength must decline.Shear wall horizontal shear strength is declined and be less than 25% limited vertical load, can seriously not reduce initial stiffness and the ultimate bearing capacity of shear wall.Therefore,, as long as the vertical load of taking suitable measure to control practice of construction and operational phase is no more than limited vertical load, can guarantee that the supporting capacity of steel plate shear force wall reaches designing requirement.
For reaching steel plate shear force wall, bear the object of limited vertical load, weldering measure after taking in super highrise building.Can construct with steel frame like this, every layer along highly dividing the stiffened steel plate shear wall of two sections of liftings (every half storey one hangs) simultaneously.The weld seam of half storey eminence is constructed after checking safety again, does not delay building and installing of floor and girder steel, has greatly improved construction speed.
Beneficial effect of the present invention is mainly manifested in: effectively bear limited vertical load, greatly improve speed of application, reduce construction period.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of basic girder steel.
Fig. 2 is the schematic diagram of bottom the first block plate.
Fig. 3 is the schematic diagram of the second block plate on Fig. 2 basis.
Fig. 4 is the schematic diagram of top layer steel plate.
Fig. 5 is the overall schematic of bearing the stiffened steel plate shear wall of limited vertical load.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1～Fig. 5, a kind of construction method of bearing the stiffened steel plate shear wall of limited vertical load, described stiffened steel plate shear wall comprises steel column 1 and girder steel 2, described girder steel 2 two ends, left and right are connected with left and right steel column 1 that (that is: the left end of girder steel is connected with left steel column, the right-hand member of girder steel is connected with right steel column), girder steel 2 comprises basic girder steel, the 2nd layer of girder steel ... n+1 layer girder steel, n is the number of plies of building, and described construction method comprises the following steps:
The first step: the two ends, left and right of basic girder steel are connected with left and right steel column 1;
Second step: installing bottom layer steel plate 3, the bottom of described bottom steel plate 3 is connected with basic girder steel, the left and right sides of described bottom steel plate 3 is connected respectively (that is: the left side of bottom steel plate is connected with left steel column, and the right side of bottom steel plate is connected with right steel column) with left and right steel column 1;
The 3rd step: intermediate layer steel plate 4 is installed, intermediate layer steel plate 4 comprises the 1st layer of intermediate layer steel plate from bottom to top, the 2nd layer of intermediate layer steel plate, n-1 layer intermediate layer steel plate, i is natural number and 1≤i≤n-1, the middle part of i layer intermediate layer steel plate is connected with i+1 layer girder steel, the left and right sides at the middle part of i layer intermediate layer steel plate is connected with left and right steel column respectively that (that is: the left side at the middle part of intermediate layer steel plate is connected with left steel column, the right side at the middle part of intermediate layer steel plate is connected with right steel column), between described bottom steel plate 3 and the 1st layer of intermediate layer steel plate, be provided with deformation gap, between adjacent intermediate layer steel plate 4, be provided with deformation gap,
The 4th step: repeat above-mentioned the 3rd step, continue upwards to install intermediate layer steel plate 4, until top layer steel plate 5, the top of described top layer steel plate 5 is connected with n+1 layer girder steel, the left and right sides of described top layer steel plate 5 be connected with left and right steel column respectively (that is: the left side of top layer steel plate with seat a steel column be connected, the right side of top layer steel plate is connected with right steel column), between described top layer steel plate 5 and n-1 layer intermediate layer steel plate, be provided with deformation gap, until after the construction of agent structure, carry out again between described bottom steel plate 3 and nethermost intermediate layer steel plate 4, between adjacent intermediate layer steel plate 4, welding between described top layer steel plate 5 and uppermost intermediate layer steel plate 4,
The 5th step: after work to be welded completes, bear the steel plate shear wall structure installation of limited vertical load.
Further, between described girder steel 2 two ends, left and right and left and right steel column 1, between steel plate 4 both sides, described intermediate layer and left and right steel column 1, between the left and right sides and left and right steel column 1 of described bottom steel plate 3, between the left and right sides of described top layer steel plate 5 and left and right steel column 1, be bolted;
In described second step, described bottom steel plate 3 is connected high-strength bolt used only to carry out just twisting with steel column 1, is connected high-strength bolt used and carries out just twisting between intermediate layer steel plate 4 and steel column, is connected high-strength bolt used and carries out just twisting between top layer steel plate 5 and steel column; In described the 5th step, carry out the multiple of high-strength bolt and twist and twist eventually.
In described the 4th step, welding between the left and right sides of described intermediate layer steel plate 4 and left and right steel column 1 (that is: the left side of intermediate layer steel plate and the welding of left steel column, the right side of intermediate layer steel plate and the welding of right steel column).
The middle part of described intermediate layer steel plate 4 and girder steel 2 welding.This structure is now prefabricated in factory.
The construction sequence of the stiffened steel plate shear wall that bears limited vertical load of the present embodiment is as follows:
The first step: basic steel girder erection, see Fig. 1;
Second step: installing bottom layer steel plate 3, described bottom steel plate 3 is half block shear wall only, and the floor of two layers of the aspect ratios of bottom steel plate 3 is low, and bottom steel plate 3 is connected high-strength bolt used only to carry out just twisting with steel column;
The 3rd step: the 1st layer of intermediate layer steel plate is installed, the shear wall that comprises each half storey in floor one deck and two-layer structure, that is: the middle part of the 1st layer of intermediate layer steel plate is connected with the 2nd layer of girder steel, the left and right sides at the middle part of the 1st layer of intermediate layer steel plate is connected with left and right steel column respectively, is connected high-strength bolt used and carries out just twisting between steel plate shear force wall and steel column;
The 4th step: repeat above-mentioned the 3rd step, continue intermediate layer steel plate is upwards installed, until after the construction of agent structure (containing all concreting), carry out the welding job of weld seam between the weld seam, two block plates of intermediate layer steel plate 4 and steel column 2.
The 5th step: after work to be welded completes, carry out the multiple of high-strength bolt and twist and twist eventually the steel plate shear wall structure installation of bearing limited vertical load.
Example: second phase 7# building, Mei Shan garden, Shenzhen, kindergarten, outdoor ring skill engineering are positioned at plum forests under Enterprises of Futian District, and Mei Shan Yuan7# building overall floorage is 6305.06 square metres, approximately 850 tons of steel amounts.Form of structure is concrete-filled rectangular steel tube steel framed structure.Planar dimension 65.5mX13.6m, maximum colum network size is 6.9mX7m, and four layers is podium below, and typical floor height is 4.0m, and four to 13 layers is high building, standard floor height 2.8m.Podium height 11.2m, high building height 39.2m, building general height 44.5m.Typical section form: mouthful 350 * 350 * 10/8 rectangle steel tubing string, H400 * 200 * 6 * 12/14 girder steel.
Claims (4)
1. a construction method of bearing the stiffened steel plate shear wall of limited vertical load, described stiffened steel plate shear wall comprises steel column and girder steel, two ends, described girder steel left and right are connected with left and right steel column, girder steel comprises basic girder steel, the 2nd layer of girder steel, n+1 layer girder steel, n is the number of plies of building, it is characterized in that: described construction method comprises the following steps:
The first step: the two ends, left and right of basic girder steel are connected with left and right steel column;
Second step: installing bottom layer steel plate, the bottom of described bottom steel plate is connected with basic girder steel, and the left and right sides of described bottom steel plate is connected with left and right steel column respectively;
The 3rd step: intermediate layer steel plate is installed, intermediate layer steel plate comprises the 1st layer of intermediate layer steel plate, the 2nd layer of intermediate layer steel plate from bottom to top, n-1 layer intermediate layer steel plate, i is natural number and 1≤i≤n-1, and the middle part of i layer intermediate layer steel plate is connected with i+1 layer girder steel, and the left and right sides at the middle part of i layer intermediate layer steel plate is connected with left and right steel column respectively, between the 1st layer of described bottom steel plate and intermediate layer steel plate, be provided with deformation gap, between neighbouring intermediate layer steel plate, be provided with deformation gap;
The 4th step: repeat above-mentioned the 3rd step, continue upwards to install intermediate layer steel plate, until top layer steel plate, the top of described top layer steel plate is connected with n+1 layer girder steel, the left and right sides of described top layer steel plate is connected with left and right steel column respectively, between described top layer steel plate and n-1 layer intermediate layer steel plate, be provided with deformation gap, until after the construction of agent structure, then carry out between described bottom steel plate and nethermost intermediate layer steel plate, the welding between adjacent intermediate layer steel plate, between described top layer steel plate and uppermost intermediate layer steel plate;
The 5th step: after work to be welded completes, bear the steel plate shear wall structure installation of limited vertical load.
2. construction method of bearing the stiffened steel plate shear wall of limited vertical load as claimed in claim 1, is characterized in that: between two ends, described girder steel left and right and left and right steel column, between steel plate both sides, described intermediate layer and left and right steel column, between the left and right sides and left and right steel column of described bottom steel plate, be bolted between the left and right sides of described top layer steel plate and left and right steel column;
In described second step, described bottom steel plate is connected high-strength bolt used only to carry out just twisting with steel column, is connected high-strength bolt used and carries out just twisting between intermediate layer steel plate and steel column; In described the 5th step, carry out the multiple of high-strength bolt and twist and twist eventually.
3. construction method of bearing the stiffened steel plate shear wall of limited vertical load as claimed in claim 1 or 2, is characterized in that: in described the 4th step, between steel plate both sides, described intermediate layer and left and right steel column, weld.
4. construction method of bearing the stiffened steel plate shear wall of limited vertical load as claimed in claim 1 or 2, is characterized in that: the middle part of described intermediate layer steel plate and girder steel welding.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532989A (en) * | 2014-12-31 | 2015-04-22 | 广州机施建设集团有限公司 | Construction method of steel plate shear wall |
| CN106271461A (en) * | 2016-09-20 | 2017-01-04 | 江苏京沪重工有限公司 | A kind of steel plate shear force wall packaging technology |
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| CN203129360U (en) * | 2013-03-06 | 2013-08-14 | 北京赛博思建筑设计有限公司 | Thin steel plate shear wall |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203129360U (en) * | 2013-03-06 | 2013-08-14 | 北京赛博思建筑设计有限公司 | Thin steel plate shear wall |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532989A (en) * | 2014-12-31 | 2015-04-22 | 广州机施建设集团有限公司 | Construction method of steel plate shear wall |
| CN106271461A (en) * | 2016-09-20 | 2017-01-04 | 江苏京沪重工有限公司 | A kind of steel plate shear force wall packaging technology |
| CN106271461B (en) * | 2016-09-20 | 2018-09-07 | 江苏京沪重工有限公司 | A kind of steel plate shear force wall packaging technology |
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Application publication date: 20140326 |