CN102953344A - Climbing cone type triangular cantilever bracket - Google Patents
Climbing cone type triangular cantilever bracket Download PDFInfo
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- CN102953344A CN102953344A CN2012105326520A CN201210532652A CN102953344A CN 102953344 A CN102953344 A CN 102953344A CN 2012105326520 A CN2012105326520 A CN 2012105326520A CN 201210532652 A CN201210532652 A CN 201210532652A CN 102953344 A CN102953344 A CN 102953344A
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- climbing
- bracket
- bevel
- cantilever support
- steel
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- 230000009194 climbing Effects 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000003351 stiffener Substances 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
The invention discloses a climbing cone type triangular cantilever bracket which consists of a triangular bracket, a climbing cone bolt, a cone-shaped nut, a steel plate, a steel mesh and a permanent seat. The permanent seat is fixedly arranged on the side face of a pier body through match of a screw and the cone-shaped nut. The upper end on one side of the triangular bracket is hinged with the permanent seat while the lower end on another side is fixedly arranged on the side face of the pier body through the screw. The use level of materials of the whole bracket is small and the pier bodyloss rate is low, and the bracket can be repeatedly used, so that the construction cost is lowered. The bracket is in a split mounting type pin joint structure, so that the bracket is erected and detached in a short time and high is construction efficiency, and the process step transfer time can be shortened. The cone-shaped nut is adopted, so that the pier body can be repaired after the bracket is detached, the a pre-buried hole is small, the pier body is convenient to repair, and the shape of the pier body is less affected. Particularly, the steel plate and the steel mesh are pre-buried in the pier body, so that crack of the pier body bearing the bracket is effectively prevented, the anti-shearing force and anti-pressure ability of the pier body are improved, and meanwhile, the riveting property of the climbing cone bolt is further enhanced to provide the probability of supporting the cantilever of a cast-in-place box beam.
Description
Technical field
The present invention relates to the used support of a kind of building trade, relate in particular to the used support of a kind of Continuous Rigid Box Beam construction.
Background technology
It is the Patent Application Publication of CN102121233A that China Intellectual Property Office discloses publication number on July 13rd, 2011, this Patent Application Publication a kind of construction method of bridge cast-in-place box beam, be characterized in: job practices comprises that cast-in-situ box girder bottom ground is processed, the setting up of support, the support of case side template and the cast of box beam concrete; The ground processing is adopted dirt that ground is changed and is filled out; The support bottom adopts the lumps of wood to support, and Internal force of support is spread, and support arranges to, direction across bridge, short transverse along bridge, and support arranges the two-layer lumps of wood between bottom the case beam and supports; Set shaped steel formwork is adopted in the support of case side template; The cast of box beam concrete adopts the technique of twice cast to construct.Described construction method of bridge cast-in-place box beam, be characterized in: ground process to adopt dirt that ground is changed when filling out, adopting three step 37 lime earths that ground is changed fills out, per step thickness is 20-40cm, total processing thickness is 80-100cm, adopt plant equipment to carry out compacting, adopt original position ground loading test equipment to carry out loading test, bearing capacity of foundation soil 250-500kPa.The lumps of wood sectional dimension of support bottom is 15-25 * 15-24cm.
The construction of above-mentioned Continuous Rigid Box Beam, mainly be to adopt steel pipe support or the timbering of console mode that cast-in-situ box girder is supported, there are following shortcomings and deficiencies in such support: 1, the materials'use amount is large, all transfer efficients are low, spillage of material is large, especially the steel pipe loss is large especially, greatly increases construction cost.2, support time of setting up, removing longer, efficiency of construction is low, has a strong impact on operation conversion time.3, in such support overlap joint process, high to the field worker welding requirements, work high above the ground face is many, the welding quality when being difficult to guarantee work high above the ground and job safety.
Summary of the invention
In order to overcome above-mentioned deficiency, the object of the present invention is to provide a kind ofly accelerate efficiency of construction, reduce material wastage rate, reduce construction control points, can repeatedly have enough to meet the need uses, the saving construction cost climb bevel-type triangle cantilever support.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Climb bevel-type triangle cantilever support, it is by tripod, climb the cone bolt, tapered cup nut, steel plate, steel mesh and holder consist of, described climbing bored the top that the bolt level is embedded in pier shaft, described steel mesh vertically is embedded in the pier shaft and the close rear end of climbing the cone bolt, the surface of steel mesh is vertical with the described cone bolt of climbing, steel plate is located at the front end of climbing the cone bolt, tapered cup nut is embedded in the pier shaft, the one end is threaded with the front end of climbing the cone bolt, the other end is concordant with the side of pier shaft, described holder is fixed on the side of pier shaft by screw and tapered cup nut, upper end and the holder of described tripod one side are hinged, and the lower end of one side is screwed on the side of pier shaft.
Described tripod is to be made of a plurality of English trusses and horizontal-associate, is parallel to each other between a plurality of English trusses and spaced apart and connect into an integral body by horizontal-associate, the corresponding described holder in the upper end of each English truss.
Be fixed with a channel-section steel of laterally placing on the side of described pier shaft, the top, lower end of described each English truss is pressed in the surface of channel-section steel and is screwed.
Described each holder includes square floor and otic placode, otic placode is fixed on the plate face of square floor, corresponding four described cone bolt and the tapered cup nuts of climbing of square floor, by four screws and cooperating of four tapered cup nuts square floor being fixed, the side upper end of described English truss is hinged by bearing pin and otic placode.
Also be provided with a plurality of reinforcement steel plates on the described holder, a plurality of reinforcement steel plates are distributed in the both sides of otic placode.
Described English truss is to be made of triangle frame, a plurality of web member, junction plate and stiffener, a plurality of web members connect with leg-of-mutton structure in triangle frame, junction plate is located on the two sides of the weld between each web member, and stiffener is located at the position of triangle frame surface and close pin joint.
The length of the right-angle side of described triangle frame is 300cm, and the length of another right-angle side is 750cm.
Described English truss is to be made by the 16Mn Steel material; Bearing pin adopts the 40Cr Steel material to make.
Described steel mesh is to be 16mm by diameter, and to be that the dowel of 50cm is staggered make length.
Beneficial effect of the present invention is: 1, reasonable in design, and truss structure can utilize strength of materials characteristic as far as possible, and the material use amount of whole support material is little, and the proportion of goods damageds are low, and can repeatedly have enough to meet the need use, reducing construction cost.2, support is pin-connected panel pin joint structure, and the time of setting up, removing is short, and efficiency of construction is high, can shorten operation conversion time.3, set up in the process technical requirements to the workman low, only need carry out pin joint assembly unit operation to node.On-the-spot work high above the ground face is few, and the work high above the ground time is short, and the security risk in the work progress is little.4, adopt tapered cup nut, dismountable rear repairing pier shaft, pre-buried hole is little, and it is convenient to repair, little on the external quality of pier impact; 5, pre-buried in pier shaft of steel plate and steel mesh especially can effectively prevent pier shaft crack when carrying, improved anti-shearing force and the anti-pressure ability of pier shaft, strengthened again climbing the rivet clasp of cone bolt simultaneously, for the cantilever support of cast-in-situ box girder provides may; 6, in the English truss among the present invention, set up junction plate and stiffener and adopted the 16Mn Steel material to make, greatly strengthened the supporting capacity of English truss, made it more safe and reliable.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of tripod shown in Figure 1;
Fig. 3 is the structural representation of climbing cone bolt and holder shown in Figure 1;
Fig. 4 is lateral view shown in Figure 3;
Fig. 5 is the structural representation of English truss shown in Figure 2.
Among the figure: 1, tripod; 2, climb the cone bolt; 3, tapered cup nut; 4, steel mesh; 5, steel plate; 6, holder; 7, pier shaft; 8, the side of pier shaft; 9, English truss; 10, horizontal-associate; 11, screw; 12, channel-section steel; 13, square floor; 14, otic placode; 15, strengthen steel plate; 16, bearing pin; 17, horizontal case beam; 18, triangle frame; 19, web member; 20, junction plate; 21, stiffener.
The specific embodiment
Shown in Fig. 1,3,4, climb bevel-type triangle cantilever support, it is by tripod 1, climbs cone bolt 2, tapered cup nut 3, steel plate 5, steel mesh 4 and holder 6 and consist of, described climbing bored the top that bolt 2 levels are embedded in pier shaft 7, described steel plate 5 vertically is embedded in the pier shaft 7 and close front end of climbing cone bolt 2, the surface of steel plate 5 is vertical with the described cone bolt 2 of climbing, steel mesh 4 is located at the front end of climbing cone bolt 2, tapered cup nut 3 is embedded in the pier shaft 7, the one end is threaded with the front end of climbing cone bolt 2, and the other end is concordant with the side 8 of pier shaft.
Shown in Fig. 1,2,5, described tripod 1 is to be made of 7 English trusses 9 and horizontal-associate 10, and the length of the right-angle side of described English truss is 300cm, and the length of another right-angle side is 750cm.Be parallel to each other between a plurality of English trusses 9 and spaced apart and connect into an integral body by horizontal-associate 10.Described English truss 9 is to be made of triangle frame 18, a plurality of web member 19, junction plate 20 and stiffener 21, a plurality of web members 19 connect with leg-of-mutton structure in triangle frame 18, junction plate 20 is located on the two sides of the weld between each web member 19, and stiffener 21 is located at the surface of triangle frame 18 and the position of close pin joint.The corresponding holder 6 in the upper end of each English truss 9.Described each holder 6 includes square floor 13 and otic placode 14, otic placode 14 is fixed on the plate face of square floor 13, square floor 13 corresponding four described cone bolt 2 and tapered cup nuts 3 of climbing are by being fixed on square floor 13 on the side 8 of pier shaft four screws 11 and cooperating of four tapered cup nuts 3.Also be provided with a plurality of reinforcement steel plates 15 on the described holder 6, a plurality of reinforcement steel plates 15 are distributed in the both sides of otic placode 14, the upper end of described English truss 9 one sides is hinged with the otic placode 14 in the holder 6 by bearing pin 16, be fixed with a channel-section steel 12 of laterally placing on the side of described pier shaft 7, the top, lower end of described each English truss 9 is pressed in the surface of channel-section steel 12 and is screwed.
The step that Specific construction is used is as follows:
1, pre-buried cone bolt and the steel plate of climbing: during pier construction, measure setting-out according to the support Design drawing, correct embedment piece support pier shaft built-in fitting.After finishing, pier construction must take the cement paste protection to the pier shaft embedded bar. the finish rolling screw thread is carried out antirust processing.Pre-buried to climb the cone bolt be 4 one group, and must guarantee to climb the accurate of cone pitch of bolts for 4 when pre-buried could installation corresponding to the cage bolt hole; Pier shaft arranged outside English truss is as stressed carriage, must guarantee when pre-buried that pre-buried point is climbed cone bolt height consistent, is in same plane, and guarantee truss chip equalization is stressed.Climb the cone bolt and must be close to pier shaft, the end face of guaranteeing to climb the cone bolt is concordant with pier shaft concrete surface.2, holder is installed: after watering concrete and finishing, remove and climb cone bolt erection bolt and fixing steel plate, carry out holder after the form removable and install.Holder with climb cone and be connected by the M42 high-strength bolt, adopt torque wrench to lock, single bolt torque power press 200N.m control, guarantees that holder compression pier shaft concrete is surperficial, the discontinuity equalization problem of 4 high-strength bolts of improvement.
3. the installation of English truss: after the holder installation English truss can be installed.4. the superstructure support is installed: i iron is laid as template supporting structure in English truss upper strata, the pier shaft outside.5. pre-pressing bracket: after the support installation, adopt the prefabricated saddle weight of concrete that the piece support is carried out precompressed, prefabricating load adopts
110% of practice of construction load, precompressed concrete piece arrange that the load of simulation box beam practice of construction distributes as far as possible, guarantee the English truss stress equalization.
6, horizontal case beam 17 is carried out cast-in-place construction, the horizontal case beam after casting is finished is supported by the bevel-type triangle cantilever support of climbing of the present invention, after horizontal case beam curing parches, after support dismounting of the present invention, can reuse in other horizontal box girder construction.
In a word; although the present invention has enumerated above-mentioned preferred embodiment, should illustrate, although those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (10)
1. climb bevel-type triangle cantilever support for one kind, it is characterized in that: it is by tripod, climb the cone bolt, tapered cup nut, steel plate, steel mesh and holder consist of, described climbing bored the top that the bolt level is embedded in pier shaft, described steel mesh vertically is embedded in the pier shaft and the close rear end of climbing the cone bolt, the surface of steel mesh is vertical with the described cone bolt of climbing, steel plate is located at the front end of climbing the cone bolt, tapered cup nut is embedded in the pier shaft, the one end is threaded with the front end of climbing the cone bolt, the other end is concordant with the side of pier shaft, described holder is fixed on the side of pier shaft by screw and tapered cup nut, upper end and the holder of described tripod one side are hinged, and the lower end of one side is screwed on the side of pier shaft.
2. the bevel-type triangle cantilever support of climbing according to claim 1, it is characterized in that: described tripod is to be made of a plurality of English trusses and horizontal-associate, be parallel to each other between a plurality of English trusses and spaced apart and connect into an integral body by horizontal-associate, the corresponding described holder in the upper end of each English truss.
3. the bevel-type triangle cantilever support of climbing according to claim 2 is characterized in that: be fixed with a channel-section steel of laterally placing on the side of described pier shaft, the top, lower end of described each English truss is pressed in the surface of channel-section steel and is screwed.
4. a kind of bevel-type triangle cantilever support of climbing according to claim 3, it is characterized in that: described each holder includes square floor and otic placode, otic placode is fixed on the plate face of square floor, corresponding four described cone bolt and the tapered cup nuts of climbing of square floor, by four screws and cooperating of four tapered cup nuts square floor being fixed, the side upper end of described English truss is hinged by bearing pin and otic placode.
5. the bevel-type triangle cantilever support of climbing according to claim 4, it is characterized in that: also be provided with a plurality of reinforcement steel plates on the described holder, a plurality of reinforcement steel plates are distributed in the both sides of otic placode.
6. the bevel-type triangle cantilever support of climbing according to claim 4, it is characterized in that: described English truss is to be made of triangle frame, a plurality of web member, junction plate and stiffener, a plurality of web members connect with leg-of-mutton structure in triangle frame, junction plate is located on the two sides of the weld between each web member, and stiffener is located at the position of triangle frame surface and close pin joint.
7. that states according to claim 6 climbs bevel-type triangle cantilever support, and it is characterized in that: the length of the right-angle side of described English truss is 300cm, and the length of another right-angle side is 750cm.
8. the bevel-type triangle cantilever support of climbing according to claim 6, it is characterized in that: described English truss is to be made by the 16Mn Steel material.
9. the bevel-type triangle cantilever support of climbing according to claim 4 is characterized in that: bearing pin adopts the 40Cr Steel material to make.
10. the bevel-type triangle cantilever support of climbing according to claim 1 is characterized in that: described steel mesh is to be 16mm by diameter, and to be that the dowel of 50cm is staggered make length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210532652.0A CN102953344B (en) | 2012-12-12 | 2012-12-12 | Climbing cone type triangular cantilever bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210532652.0A CN102953344B (en) | 2012-12-12 | 2012-12-12 | Climbing cone type triangular cantilever bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953344A true CN102953344A (en) | 2013-03-06 |
| CN102953344B CN102953344B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210532652.0A Expired - Fee Related CN102953344B (en) | 2012-12-12 | 2012-12-12 | Climbing cone type triangular cantilever bracket |
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| CN (1) | CN102953344B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074346A (en) * | 2014-07-02 | 2014-10-01 | 吴江市明港道桥工程有限公司 | Suspended construction support frame |
| CN108842590A (en) * | 2018-09-18 | 2018-11-20 | 王燕春 | The method and bridge of bridge are built for the stiffness bearer of bridge construction, without bracket |
| CN112176885A (en) * | 2020-10-30 | 2021-01-05 | 中建八局第二建设有限公司 | High hollow pier group formwork turnover rapid construction method for viaduct bridge |
| CN113356097A (en) * | 2021-07-20 | 2021-09-07 | 南京林业大学 | Angle-adjustable bridge single-column pier reinforcing device |
| CN113512939A (en) * | 2021-03-12 | 2021-10-19 | 中铁十一局集团第一工程有限公司 | Continuous beam combined type shear key installation construction method and device |
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| JP2009144411A (en) * | 2007-12-13 | 2009-07-02 | Central Nippon Expressway Co Ltd | The construction work for assembly and disassembly of mobile work vehicles in the overhanging construction method and the corrugated steel plate used in the construction method |
| CN101660296A (en) * | 2009-09-08 | 2010-03-03 | 中铁九局集团有限公司 | Method for casting concrete 0# block support by continuous beam cantilever |
| CN101761034A (en) * | 2010-03-25 | 2010-06-30 | 中国建筑第六工程局有限公司 | Construction method of side block straight-line segment of cantilever-concreting continuous beam |
| CN201695337U (en) * | 2010-03-25 | 2011-01-05 | 中国建筑第六工程局有限公司 | Straight-line segment bracket of side pier of grouting continuous beam |
| CN201826525U (en) * | 2010-07-27 | 2011-05-11 | 南京道广建筑模板有限公司 | Climbing shuttering system device for buildings |
| CN102261042A (en) * | 2011-06-09 | 2011-11-30 | 四川川交路桥有限责任公司 | Cantilever diagonal bracing bracket for casting bridge pier cover beam |
| CN202194073U (en) * | 2011-07-25 | 2012-04-18 | 中铁四局集团第一工程有限公司 | Large-volume long-cantilever capping beam construction device |
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2012
- 2012-12-12 CN CN201210532652.0A patent/CN102953344B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009144411A (en) * | 2007-12-13 | 2009-07-02 | Central Nippon Expressway Co Ltd | The construction work for assembly and disassembly of mobile work vehicles in the overhanging construction method and the corrugated steel plate used in the construction method |
| CN101660296A (en) * | 2009-09-08 | 2010-03-03 | 中铁九局集团有限公司 | Method for casting concrete 0# block support by continuous beam cantilever |
| CN101761034A (en) * | 2010-03-25 | 2010-06-30 | 中国建筑第六工程局有限公司 | Construction method of side block straight-line segment of cantilever-concreting continuous beam |
| CN201695337U (en) * | 2010-03-25 | 2011-01-05 | 中国建筑第六工程局有限公司 | Straight-line segment bracket of side pier of grouting continuous beam |
| CN201826525U (en) * | 2010-07-27 | 2011-05-11 | 南京道广建筑模板有限公司 | Climbing shuttering system device for buildings |
| CN102261042A (en) * | 2011-06-09 | 2011-11-30 | 四川川交路桥有限责任公司 | Cantilever diagonal bracing bracket for casting bridge pier cover beam |
| CN202194073U (en) * | 2011-07-25 | 2012-04-18 | 中铁四局集团第一工程有限公司 | Large-volume long-cantilever capping beam construction device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074346A (en) * | 2014-07-02 | 2014-10-01 | 吴江市明港道桥工程有限公司 | Suspended construction support frame |
| CN108842590A (en) * | 2018-09-18 | 2018-11-20 | 王燕春 | The method and bridge of bridge are built for the stiffness bearer of bridge construction, without bracket |
| CN112176885A (en) * | 2020-10-30 | 2021-01-05 | 中建八局第二建设有限公司 | High hollow pier group formwork turnover rapid construction method for viaduct bridge |
| CN113512939A (en) * | 2021-03-12 | 2021-10-19 | 中铁十一局集团第一工程有限公司 | Continuous beam combined type shear key installation construction method and device |
| CN113356097A (en) * | 2021-07-20 | 2021-09-07 | 南京林业大学 | Angle-adjustable bridge single-column pier reinforcing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102953344B (en) | 2015-01-07 |
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