CN104594641A - Reinforcing bar positioning fixture and reinforcing bar positioning method for prefabrication wall installation - Google Patents
Reinforcing bar positioning fixture and reinforcing bar positioning method for prefabrication wall installation Download PDFInfo
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- CN104594641A CN104594641A CN201510042930.8A CN201510042930A CN104594641A CN 104594641 A CN104594641 A CN 104594641A CN 201510042930 A CN201510042930 A CN 201510042930A CN 104594641 A CN104594641 A CN 104594641A
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Abstract
The invention relates to a reinforcing bar positioning fixture and a reinforcing bar positioning method for prefabrication wall installation. The fixture comprises a steel plate with the width adaptive to the thickness of a prefabrication wall, wherein reinforcing bar preformed holes are formed in the steel plate, the size of the pore size of each reinforcing bar preformed hole is adaptive to the diameter of each connecting reinforcing bar exposed out of the top end of a prefabrication wall; the distribution of the reinforcing bar preformed holes is adaptive to the arrangement of the connecting reinforcing bars; vertical short steel sleeves are respectively welded on upper plate faces corresponding to the reinforcing bar preformed holes in two end parts of the steel plate, and have consistent heights; paired horizontal keyholes are formed in the uniform height of a pipe wall; a bolt for controlling the insertion depth of each connecting reinforcing bar is inserted in the corresponding keyhole. The reinforcing bar positioning fixture is used for reinforcing bar positioning during the assembly process of two prefabrication wall plates, is simple in structure, convenient to manufacturing and operate, and accurate in positioning, and can be recycled; during reinforcing bar locating, the fixture is adjusted for multiple times along the construction process, and the fixture is not disassembled during the process, the reinforcing bar position is accurate after positioning, and the assembly efficiency of the prefabrication wall plates is greatly improved.
Description
Technical field
The present invention relates to prefabricated panel package technique field, particularly a kind of steel bar positioning fixture for precast wall body installation and reinforcing bar localization method.
Background technology
" assembled room " is the popular address of assembled-type house, its full name is prefabricated dwelling house, build house by the industrialized mode of production, that the part or all of component of house has been prefabricated in the factory, then job site is transported to, component is assembled by reliable connected mode and the house that builds up, be referred to as industrialization house or industrialized house in American-European and Japan.The difference in " assembled room ", just part carries out prefabricated, also to equally with traditional architecture build to job site, do not see difference from outward appearance after house builds up at all, compared with the house of traditional construction, component precision is higher, can improve the common quality defect such as wall crazing, seepage to greatest extent, and improve house safety integrity level, fire line and durability.It adopts light partition wall system, and owner can change finishing as required.In view of above-mentioned advantage, assembled-type house is by large-scale popularization, but in the building course of assembled-type house, the vertical connection between its precast wall body relies on grout sleeve to connect, require that bottom reinforcement bars is corresponding with grout sleeve position, the position adjustment for bottom reinforcement bars becomes particularly important.
In prior art, the location of reinforcing bar generally adopts limitting casing etc., intensity difference, and precision does not reach requirement, be not suitable for the vertical connection between precast wall body, when precast wall body is constructed, the reinforcing bar that bottom body of wall stretches out will insert in the grout sleeve bottom the precast wall body of upper strata, engineering in the past find this position to stretch out reinforcement location inaccurate, construction speed and construction quality can be had a strong impact on; And existing limitting casing can not be fixed when building floorslab concrete, can only take off, can not avoid in casting process the displacement that the connecting reinforcement in prefabricated panel causes.Therefore need a kind of not only convenient operation of research at present badly but also the instrument of reinforcing bar positioning requirements can be met.
Summary of the invention
The object of the invention is to provide a kind of steel bar positioning fixture of installing for precast wall body and reinforcing bar localization method, solve existing reinforcing bar location general adopt limitting casing etc., not only intensity difference and precision does not reach requirement, is not suitable for vertical connection between precast wall body, when precast wall body is constructed bottom the reinforcement location that stretches out of body of wall inaccurate, can not fix when building floorslab concrete, can only take off, the displacement in casting process, the connecting reinforcement in prefabricated panel caused, the technical barrier having a strong impact on construction speed and construction quality can not be avoided.
For reaching above-mentioned technical purpose, the present invention takes following technical scheme:
A kind of steel bar positioning fixture installed for precast wall body, it is characterized in that: the steel plate that the thickness comprising width and precast wall body adapts, described steel plate has steel bar preassembling box out, the diameter of the pore size that described steel bar preassembling is boxed out and the connecting reinforcement that precast wall body top is exposed adapts, the arrangement of the distribution that its steel bar preassembling is boxed out and the connecting reinforcement that precast wall body top is exposed adapts, for single or double; On the steel bar preassembling of two ends of described steel plate boxes out corresponding upper face, be welded with internal diameter and steel bar preassembling respectively to box out adapt, vertical short steel sleeve, the height of all short steel sleeves is consistent.
As preferred technical scheme, the uniform height of the tube wall of short steel sleeve has paired horizontal direction keyhole, and keyhole interpolation has the latch of the insertion depth for control connection reinforcing bar.
Further, described steel plate is in-line steel plate for precast wall body stalk part reinforcing bar location or the L shape steel plate that uses around the corner.
Further preferred, the steel bar preassembling being positioned at centre position of described in-line steel plate or L shape steel plate page on corresponding upper face of boxing out is welded with internal diameter and steel bar preassembling and boxes out adapt, vertical short steel sleeve.
Further, the quantity of described short steel sleeve is 2 ~ 6.
Preferred further, the bottom surface of described steel plate is also welded to connect ring box keel.
Further, described frame keel are square steel keel or angle steel keel.
Further, the height of described short steel sleeve is 30 ~ 60mm, and described keyhole has highly do not wait 1 ~ 4 right.
In addition, the invention still further relates to the reinforcing bar localization method that a kind of precast wall body utilizing above-mentioned steel bar positioning fixture to carry out is installed, it is characterized in that, comprise the steps:
Step one, superimposed sheet plays reinforcement location control to borrow line: bottom precast wall body and superimposed sheet are all installed and after adjust, superimposed sheet played reinforcement location and controls by means of line;
Step 2, installation steel bar positioning fixture: install steel bar positioning fixture at the end face of precast wall body, corresponding connecting reinforcement, in boxing out the connecting reinforcement correspondence steel bar preassembling inserted on jig;
Step 3, first time reinforcing bar location: according to the control line on superimposed sheet, carry out bar straightening and location;
Step 4, reinforcing bar binding and build cast-in-situ concrete layer: keep steel bar positioning fixture not take off, carry out reinforcing bar binding, after reinforcing bar binding completes, build the cast-in-situ concrete layer of top board;
Step 5, put on cast-in-situ concrete layer reinforcing bar control borrow line: after the cast-in-situ concrete layer of top board reaches upper people's intensity, again put on cast-in-situ concrete layer reinforcing bar control borrow line;
Step 6, second time reinforcing bar location: control to borrow line according to the reinforcing bar on cast-in-situ concrete layer, again re-start bar straightening and location;
Step 7, third time reinforcing bar location: after the cast-in-situ concrete layer top board of top board reaches lifting intensity, carry out third time bar straightening and location;
Step 8, dismounting steel bar positioning fixture: before installation top layer precast wall body, eject corresponding control line, unload steel bar positioning fixture at top board, so far, the reinforcing bar positioning work that precast wall body is installed completes.
Wherein, in described step 2, steel bar positioning fixture comprises the in-line jig being arranged on precast wall body stalk part and the L shape jig being arranged on precast wall body corner.
Compared with prior art, technical advantage of the present invention is:
1, the present invention is used for the reinforcing bar location in two prefabricated panel assembling process, and structure is simple, draws materials conveniently, can field fabrication;
2, for solving the problem of posting strength deficiency in the past, the bottom surface of the steel plate of positioning fixture of the present invention arranges ring box keel, and general employing wall thickness is 3mm, the length of side is the square steel of 30mm, ensures that the intensity of jig meets the demands;
3, easy to operate, unwrapping wire is adopted repeatedly to locate, accurate positioning, the setting of short steel sleeve, advance reservation keyhole on short steel sleeve, after inserting latch, latch props up connecting reinforcement top, positioning fixture is stable to be placed on connecting reinforcement, a segment distance is had with cast-in-situ floor concrete surface at the bottom of jig, vibrating spear can be held to upper, concrete vibrating between lower precast wall body is closely knit, jig can be realized when building floorslab concrete without the need to taking off, can effectively avoid in casting process the displacement that the connecting reinforcement in prefabricated panel causes, do not affect construction speed and construction quality, behind location, reinforcement location is accurate, greatly improve the packaging efficiency of prefabricated panel,
4, can have enough to meet the need use, cost is low.
Accompanying drawing explanation
Fig. 1 is the top view structural representation of the in-line positioning fixture that the present invention relates to;
Fig. 2 is the upward view structural representation of the in-line positioning fixture that the present invention relates to;
Fig. 3 is the elevation structural representation of the in-line positioning fixture that the present invention relates to;
Fig. 4 is the top view structural representation of the L shape positioning fixture that the present invention relates to;
Fig. 5 is the upward view structural representation of the L shape positioning fixture that the present invention relates to;
Fig. 6 is the elevation structural representation of the L shape positioning fixture that the present invention relates to;
Fig. 7 is steel bar positioning fixture and superimposed sheet 9 view all after installation when inventing the steel bar positioning fixture location prefabricated panel connecting reinforcement related to;
Fig. 8 be when inventing the steel bar positioning fixture location prefabricated panel connecting reinforcement related to cast-in-situ concrete layer 10 complete after view;
Fig. 9 is view when inventing the steel bar positioning fixture location prefabricated panel connecting reinforcement related to after the precast wall body installation of upper strata.
Reference numeral: 1-steel plate, 2-steel bar preassembling are boxed out, 3-frame keel, the short steel sleeve of 4-, 5-latch, 6-precast wall body, 7-connecting reinforcement, 8-keyhole, 9-superimposed sheet, 10-cast-in-situ concrete layer.
Detailed description of the invention
Below in conjunction with accompanying drawing, content of the present invention is made further explanation and description.
As shown in figs. 1 to 6, the present invention relates to a kind of steel bar positioning fixture installed for precast wall body, it is characterized in that: the steel plate 1 that the thickness comprising width and precast wall body adapts, described steel plate 1 has steel bar preassembling and boxes out 2, described steel bar preassembling box out 2 pore size and the diameter of connecting reinforcement 7 that exposes of precast wall body 6 top adapt, its steel bar preassembling box out 2 distribution and the arrangement of connecting reinforcement 7 that exposes of precast wall body 6 top adapt; The steel bar preassembling of two ends of described steel plate 1 box out 2 correspondences upper face on be welded with internal diameter and steel bar preassembling respectively and box out 2 adapt, vertical short steel sleeves 4, the diameter of the short steel sleeve 4 that the present embodiment adopts is 25mm, length is 50mm, the height of all short steel sleeves 4 is consistent, and on the uniform height of tube wall, having paired horizontal direction keyhole 8, keyhole 8 interpolation has the latch 5 for the insertion depth of control connection reinforcing bar 7.
As preferred technical scheme, described steel plate 1 is in-line steel plate for precast wall body stalk part reinforcing bar location or the L shape steel plate that uses around the corner, and if Fig. 1 to 3 is the structural representation of in-line jig, Fig. 4 to 6 is structural representations of L shape jig.The steel bar preassembling being positioned at centre position of described in-line jig or L shape jig box out 2 correspondences upper face on also can weld internal diameter and steel bar preassembling simultaneously and to box out 2 adapt, vertical short steel sleeves 4.The quantity of described short steel sleeve 4 can be 2 ~ 6.The bottom surface of described steel plate 1 has also been welded to connect ring box keel 3, frame keel 3 can be square steel keel or angle steel keel, and the present embodiment employing wall thickness is 3mm, the length of side is the square steel of 30mm.Described keyhole 8 can have highly do not wait 1 ~ 4 right.
The invention still further relates to the reinforcing bar localization method that a kind of precast wall body utilizing above-mentioned steel bar positioning fixture to carry out is installed, it is characterized in that, comprise the steps:
Step one, superimposed sheet plays reinforcement location control to borrow line: bottom precast wall body and superimposed sheet 9 are all installed and after adjust, superimposed sheet played reinforcement location and controls by means of line;
Step 2, steel bar positioning fixture is installed: at the end face of precast wall body, corresponding connecting reinforcement 7, steel bar positioning fixture is installed, the connecting reinforcement 7 correspondence steel bar preassembling inserted on jig is boxed out in 2;
Step 3, first time reinforcing bar location: as Fig. 7, according to the control line on superimposed sheet, carry out bar straightening and location;
Step 4, reinforcing bar binding and build cast-in-situ concrete layer 10: as Fig. 8, keep steel bar positioning fixture not take off, carry out reinforcing bar binding, after reinforcing bar binding completes, build the cast-in-situ concrete layer 10 of top board;
Step 5, put on cast-in-situ concrete layer 10 reinforcing bar control borrow line: after the cast-in-situ concrete layer 10 of top board reaches upper people's intensity, again put on cast-in-situ concrete layer 10 reinforcing bar control borrow line;
Step 6, second time reinforcing bar location: control to borrow line according to the reinforcing bar on cast-in-situ concrete layer 10, again re-start bar straightening and location;
Step 7, third time reinforcing bar location: after cast-in-situ concrete layer 10 top board of top board reaches lifting intensity, carry out third time bar straightening and location;
Step 8, dismounting steel bar positioning fixture: before installation top layer precast wall body, eject corresponding control line, unload steel bar positioning fixture at top board, so far, the reinforcing bar positioning work that precast wall body is installed completes.
Wherein, in described step 2, steel bar positioning fixture comprises the in-line jig being arranged on precast wall body stalk part and the L shape jig being arranged on precast wall body corner.
As Fig. 9, when precast wall body on upper strata is installed, the installation in place of opsition dependent control line, when having deviation, use instrument is finely tuned in time, and the reinforcing bar on precast wall body bottom surface, upper strata is reserved sleeve and is connected with connecting reinforcement 7 accurate match of having good positioning, after using the adjustment of steel plate washer, diagonal brace and jack, carry out reinforced bar sleeve grouting, body of wall installation.
Claims (10)
1. the steel bar positioning fixture installed for precast wall body, it is characterized in that: the steel plate (1) that the thickness comprising width and precast wall body adapts, described steel plate (1) has steel bar preassembling and box out (2), the box out diameter of connecting reinforcement (7) that the pore size of (2) and precast wall body (6) top expose of described steel bar preassembling adapts, and the box out arrangement of connecting reinforcement (7) that the distribution of (2) and precast wall body (6) top expose of its steel bar preassembling adapts; On the steel bar preassembling of two ends of described steel plate (1) boxes out upper face corresponding to (2), be welded with internal diameter respectively and steel bar preassembling boxes out that (2) adapt, vertical short steel sleeve (4), the height of all short steel sleeves (4) is consistent.
2. a kind of steel bar positioning fixture installed for precast wall body according to claim 1, it is characterized in that: the tube wall of described short steel sleeve (4) has keyhole (8), keyhole (8) interpolation has the latch (5) for the insertion depth of control connection reinforcing bar (7).
3. a kind of steel bar positioning fixture installed for precast wall body according to claim 1, is characterized in that: described steel plate (1) be the in-line steel plate or the L shape steel plate that uses around the corner of locating for precast wall body stalk part reinforcing bar.
4. a kind of steel bar positioning fixture installed for precast wall body according to claim 2, is characterized in that: the steel bar preassembling being positioned at centre position of described in-line steel plate or L shape steel plate page on upper face corresponding to (2) of boxing out is welded with internal diameter and steel bar preassembling boxes out that (2) adapt, vertical short steel sleeve (4).
5. a kind of steel bar positioning fixture installed for precast wall body according to claim 1, is characterized in that: the quantity of described short steel sleeve (4) is 2 ~ 6.
6. a kind of steel bar positioning fixture installed for precast wall body according to claim 1, is characterized in that: the bottom surface of described steel plate (1) has also been welded to connect ring box keel (3).
7. a kind of steel bar positioning fixture installed for precast wall body according to claim 1, is characterized in that: described frame keel (3) are square steel keel or angle steel keel.
8. a kind of steel bar positioning fixture installed for precast wall body according to claim 1, is characterized in that: described keyhole (8) has highly do not wait 1 ~ 4 right; The height of described short steel sleeve (4) is 30 ~ 60mm.
9. the reinforcing bar localization method that the precast wall body utilizing the steel bar positioning fixture described in claim 1 ~ 8 any one to carry out is installed, is characterized in that, comprise the steps:
Step one, superimposed sheet plays reinforcement location control to borrow line: bottom precast wall body and superimposed sheet (9) are all installed and after adjust, superimposed sheet played reinforcement location and controls by means of line;
Step 2, installation steel bar positioning fixture: install steel bar positioning fixture at the end face of precast wall body, corresponding connecting reinforcement (7), box out in (2) by the steel bar preassembling that connecting reinforcement (7) correspondence is inserted on jig;
Step 3, first time reinforcing bar location: according to the control line on superimposed sheet, carry out bar straightening and location;
Step 4, reinforcing bar binding and build cast-in-situ concrete layer (10): keep steel bar positioning fixture not take off, carry out reinforcing bar binding, after reinforcing bar binding completes, build the cast-in-situ concrete layer (10) of top board;
Step 5, put on cast-in-situ concrete layer (10) reinforcing bar control borrow line: after the cast-in-situ concrete layer (10) of top board reaches upper people's intensity, again put on cast-in-situ concrete layer (10) reinforcing bar control borrow line;
Step 6, second time reinforcing bar location: control to borrow line according to the reinforcing bar on cast-in-situ concrete layer (10), again re-start bar straightening and location;
Step 7, third time reinforcing bar location: after cast-in-situ concrete layer (10) top board of top board reaches lifting intensity, carry out third time bar straightening and location;
Step 8, dismounting steel bar positioning fixture: before installation top layer precast wall body, eject corresponding control line, unload steel bar positioning fixture at top board, so far, the reinforcing bar positioning work that precast wall body is installed completes.
10. the reinforcing bar localization method of a kind of precast wall body installation according to claim 9, it is characterized in that: in described step 2, steel bar positioning fixture comprises the in-line jig being arranged on precast wall body stalk part and the L shape jig being arranged on precast wall body corner.
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| CN201510042930.8A CN104594641B (en) | 2015-01-28 | 2015-01-28 | The reinforcing bar localization method that a kind of precast wall body is installed |
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| CN105003029A (en) * | 2015-07-22 | 2015-10-28 | 山东明达建筑科技有限公司 | Sleeve bar straightening butt joint formwork |
| CN105298140A (en) * | 2015-09-25 | 2016-02-03 | 长沙远大住宅工业集团有限公司 | Reinforcing steel bar positioning frame and positioning method for constructing external shear walls |
| CN105908977A (en) * | 2016-06-08 | 2016-08-31 | 成都建筑工程集团总公司 | Joint bar construction structure and method |
| CN106759939A (en) * | 2016-12-29 | 2017-05-31 | 上海建工五建集团有限公司 | The attachment structure and method of vertical precast concrete |
| CN107165267A (en) * | 2017-07-10 | 2017-09-15 | 岳阳远大住宅工业有限公司 | The double steel bar connecting structure system of precast shear wall |
| CN109208921A (en) * | 2017-07-05 | 2019-01-15 | 上海宝冶集团有限公司 | The localization method of building element assembled sleeve embedded bar |
| CN113833183A (en) * | 2021-09-22 | 2021-12-24 | 北京建工四建工程建设有限公司 | Prefabricated hollow shear wall panel system and construction method thereof |
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| CN104594641B (en) | 2016-08-24 |
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