CN213867405U - Single-column bent cap steel pipe column bailey beam construction support system - Google Patents
Single-column bent cap steel pipe column bailey beam construction support system Download PDFInfo
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- CN213867405U CN213867405U CN202022823140.2U CN202022823140U CN213867405U CN 213867405 U CN213867405 U CN 213867405U CN 202022823140 U CN202022823140 U CN 202022823140U CN 213867405 U CN213867405 U CN 213867405U
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Abstract
The utility model discloses a single-column bent cap steel-pipe column bailey beam construction support system, including support basis, the support system that is used for supporting the bent cap concrete load, bent cap design steel form, bent cap, the support system includes steel-pipe column, the head of living in the air, distribution roof beam, bailey beam, girder, the steel-pipe column is fixed on the cushion cap through pre-buried connecting piece, the utility model discloses reduced the expense of ground processing, the ground bearing capacity is reliable, under the condition that the ground is soaked in the river course water level, the ground also can not sink basically; the bearing platform can be regarded as a rigid foundation, has no foundation settlement, can not pre-press the support, and saves the pre-pressing time of the support; the adjustable head is used for adjusting the elevation of the pier stud, so that the elevation of the bracket system is more convenient to adjust and disassemble; the problem that the axial line positions of the Bailey beam and the steel pipe column are not uniform can be adjusted, the bending resistance advantage of the Bailey beam can be fully exerted, the Bailey beam supporting system of the steel pipe column is tightly connected with the pier column, and the overall stability of the supporting system is improved.
Description
Technical Field
The utility model belongs to a support system of single-column bent cap construction among highway, municipal administration, the construction of railway bridge, in particular to single-column bent cap steel-pipe column beiLei roof beam construction braced system.
Background
In the construction of highways, railways and municipal roads and bridges, the construction of single-column capping beams is often encountered in order to optimize the lower building space or reduce the water-resistance ratio of a river channel and the like. The capping beam refers to a cross beam provided on the top of the bent pier to support, distribute and transfer the load of the superstructure.
The traditional bent cap mainly adopts multi-column forms such as double columns, three columns and the like, the number of single-column bent caps is small, and the conventional bent cap construction method mostly adopts a core rod penetrating method, a hoop method and a full framing method. The construction methods have certain disadvantages to the construction of the single-column bent cap, such as: the core rod penetrating method and the hoop method cannot form an effective supporting system on the single column; the reservation and recovery of the core rod on the pier stud have certain influence on the quality of the pier stud; the hoop method is not easy to reinforce on the square column and has the risk of slipping; the full-space support is slow in erection speed and high in requirement on foundation bearing capacity, if the full-space support is constructed in a river channel, the foundation is easy to sink after being soaked by water, the risk of overall instability of the support exists, and the full-space support needs a certain period for prepressing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a one set of single-column bent cap steel-pipe column beiLei roof beam construction braced system can be in the construction of single-column bent cap quick, safe a concrete construction supporting platform that provides.
A construction supporting system for a bailey beam of a single-column bent cap steel pipe column comprises a support foundation, a supporting system for supporting the concrete load of the bent cap, a bent cap shaping steel formwork located above the supporting system, and a bent cap arranged above the bent cap shaping steel formwork;
the support foundation comprises a pile foundation and a bearing platform positioned on the pile foundation;
a pier column is arranged on the bearing platform;
the support system sequentially comprises a steel pipe column, a movable head, a distribution beam, a Bailey beam and a main beam from bottom to top, wherein the movable head is connected with the steel pipe column through a flange plate, the distribution beam is connected with the top surface of the movable head, the Bailey beam is arranged above the distribution beam, is abutted against the pier column and is used for preventing the Bailey beam from being horizontally unstable inwards, is arranged on the outer side of the pier column and is oppositely pulled through the Bailey beam to a pull rod horizontally and is used for preventing the Bailey beam from being horizontally unstable outwards, the main beam is arranged above the Bailey beam, and the main beam stretches across the Bailey beam;
the bent cap design steel form set up in girder top, the steel-pipe column adopts the ring flange to pass through pre-buried connecting piece vertical fixing on the cushion cap, the bracing with the steel-pipe column is connected, through the bracing staple bolt draw bar with the pier stud is to drawing the formation wholly, will the bracing with the pier stud is fixed.
The steel pipe column comprises standard sections with different lengths, the steel pipe columns are connected through flanges, the inclined struts are welded with the steel pipe columns in the longitudinal and transverse directions, and the inclined strut hoops are used for oppositely pulling the pull rods on two sides of the pier column.
The inclined struts are erected in a Z shape or an X shape.
The Bailey beam and the distribution beam are locked firmly by adopting U-shaped bolts and are used for preventing the Bailey beam from sliding.
The steel pipe column is erected in a plane where a vertical section at a node of the Bailey beam is located.
The Bailey beams are composed of at least two Bailey pieces, a plurality of Bailey pieces form a Bailey beam, the Bailey pieces are connected through pins, and each Bailey beam is connected through a flower stand.
The inclined strut comprises a horizontal strut and a steel pipe column inclined strut, and the horizontal strut comprises a horizontal strut directly welded with the steel pipe column and a horizontal strut connected with the pier column.
And a protective layer is arranged between the horizontal support connected with the pier stud and is any one of cotton felt, geotextile, rubber pad and felt. The protective layer is used for preventing to lead to the fact destruction to the pier stud after the horizontal brace atress that links to each other with the pier stud.
The center distance of the steel pipe column to the edge of the bearing platform is more than or equal to 0.5 m.
The pier stud periphery is equipped with steel pipe support, steel pipe support be used for prevent with the level that the pier stud links to each other props the gliding, steel pipe support contains four vertical steel pipes at least, vertical steel pipe is followed evenly distributed all around the pier stud, be equipped with the support bracing piece through the steel pipe interconnect of horizontal and/or slant setting between the vertical steel pipe, every the support bracing piece be used for fixed and lift with the level that the pier stud links to each other props, steel pipe support's lower extreme supports and establishes on the cushion cap, it is horizontal the support bracing piece erects the pier stud links to each other below the level props.
The utility model has the advantages and positive effects that: by adopting the technical scheme, the pier column and the bearing platform are utilized, so that the cost for treating the foundation is reduced, the bearing capacity of the foundation is reliable, and the foundation basically cannot sink under the condition that the foundation is soaked in the river water level; the bearing platform can be regarded as a rigid foundation, has no foundation settlement, can not pre-press the support, and saves the pre-pressing time of the support; the adjustable head is used for adjusting the elevation of the pier stud, so that the elevation of the bracket system is more convenient to adjust and disassemble; the problem that the axial positions of the Bailey beam and the steel pipe column are not uniform can be solved due to the length change of the distribution beam; the bending resistance of the Bailey beam is strong, and the bending resistance advantage of the Bailey beam can be fully exerted; the steel pipe column Bailey beam supporting system is tightly connected with the pier column, and the overall stability of the supporting system is improved.
Drawings
FIG. 1 is a schematic front view of a construction supporting system for a single-column bent cap steel pipe column Bailey beam of the present invention;
fig. 2 is the utility model discloses a left side view schematic diagram of single-column bent cap steel-pipe column bei lei roof beam construction braced system.
In the figure:
1. a steel pipe column 2, an inclined strut 3, an inclined strut clasping a counter pull rod 4 and a loose head
5. A distribution beam, 6, a Bailey beam, 7, a Bailey beam horizontal opposite pull rod, 8, a main beam,
9. a capping beam shaping steel template, 10, a capping beam, 11, a pier stud, 12 and a bearing platform,
13. a steel pipe bracket for supporting the horizontal support, 14 and a pile foundation.
Detailed Description
The patent of the utility model is further explained with reference to the attached drawings 1 and 2 and the engineering example of Bishui river bridge. The lower part of the Bishui river bridge project is in a structural form that a single column is connected with a capping beam type pier, a pier column adopts a square column of 2.5mx2.5m, and the height of the pier column is 10 m; the size of the bent cap is 11 mx2.8mx2.5m; the basis is 2 root phi 2m bored concrete pile and connects the cushion cap, and stake interval 5m, cushion cap cross-sectional dimension are 8.2mx3.2mx3m the utility model relates to a single-column bent cap steel-pipe column bei lei lian beam construction braced system.
The working process of the example is as follows: a construction supporting system for a single-column bent cap steel pipe column Bailey beam comprises a support foundation, a supporting system for supporting the concrete load of the bent cap, a bent cap shaping steel template 9 positioned above the supporting system, and a bent cap 10 positioned above the bent cap shaping steel template 9;
the support foundation comprises a pile foundation 14 and a bearing platform 12 positioned on the pile foundation 14;
a pier column 11 is arranged on the bearing platform 12;
the supporting system sequentially comprises a steel pipe column 1, a movable head 4, a distribution beam 5, a Bailey beam 6 and a main beam 8 from bottom to top, wherein the movable head 4 is connected with the steel pipe column 1 through a flange plate, the height of the movable head 4 is 1.4m, the height of the movable head can be adjusted up and down and is 0.2m, the height of the movable head 4 can be adjusted up and down, when the top surface height of the movable head 4 is determined, the movable head can be arranged in combination with a cross slope of a cover beam 10, the distribution beam 5 is arranged above the movable head 4 and is connected with a top surface steel plate of the movable head 4 in a spot welding mode to prevent the distribution beam 5 from moving, the distribution beam 5 is made of double-spliced I45a I-shaped steel, the length of the distribution beam 5 is determined in combination with the plane position of the Bailey beam 6, and the Bailey beam 6 can be ensured to fall onto the distribution beam 5; the length of the distribution beam is utilized to solve the problem that the platform cannot be erected just below the Bailey beam due to insufficient size, the Bailey beam 6 is arranged above the distribution beam 5, the Bailey beam 6 is abutted against the pier stud 11 and used for preventing the Bailey beam 6 from being horizontally unstable inwards, the Bailey beam 6 is arranged outside the pier stud 11 and is used for preventing the Bailey beam 6 from being horizontally unstable outwards by pulling a horizontal opposite pull rod 7 of the Bailey beam 6 oppositely, the main beam 8 is arranged above the Bailey beam 6 and is I-shaped steel I25a with the distance of 0.5m, the main beam 8 crosses the Bailey beam 6, the length of the main beam 8 is determined by combining with the operation platform of the cover beam 10, and the operation platform, the safety protection net and the personnel up-down channel are immediately installed after the main beam 8 is installed;
capping beam design steel form 9 set up in 8 tops of girder, by the producer customization, adopt 5mm steel form, 9 back ribs of capping beam design steel form adopt channel-section steel, I-steel reinforcement to consolidate through drawing phi 25 finish rolling screw-thread steel, steel-pipe column 1 adopts the ring flange to fix through pre-buried connecting piece is vertical on cushion cap 12, pre-buried connecting piece is used for fixing and spacing, pre-buried connecting piece can adopt connecting piece such as rag bolt or the ring flange that contains rag bolt, this embodiment pre-buried connecting piece chooses for use the ring flange that contains rag bolt, bracing 2 with steel-pipe column 1 is connected, through bracing staple bolt counter-pull rod 3 with pier stud 11 is to drawing formation wholly, will bracing 2 with pier stud 11 is fixed.
The steel-pipe column 1 comprises different length's standard section, each section the standard section adopts the ring flange to splice and fixes with the bolt and form and accord with the steel-pipe column 1 that requires the length, adopt flange joint between steel-pipe column 1 four steel-pipe column 1, bracing 2 are channel-section steel or I-steel in 11 peripheral parallel arrangement of pier stud, this embodiment bracing 2 is the channel-section steel, bracing 2 with steel-pipe column 1 welds in two directions vertically and horizontally, the bracing staple bolt is in pull rod 3 is to drawing in 11 both sides of pier stud.
The inclined strut 2 is erected in a Z shape or an X shape. The diagonal brace 2 selected in this embodiment is laid in a zigzag shape.
The Bailey beam 6 and the distribution beam 5 are locked firmly by adopting U-shaped bolts and are used for preventing the Bailey beam 6 from sliding.
The position of the steel pipe column 1 is determined by combining the nodes of the Bailey beams 6, optimization is further performed, and the steel pipe column 1 is erected in a plane where vertical sections at the nodes of the Bailey beams 6 are located.
The bailey beams 6 are composed of at least two bailey pieces, a plurality of bailey pieces form one bailey beam, in the embodiment, four bailey pieces form one bailey beam 6, three bailey beams 6 form one bailey beam, the bailey pieces are connected through pins, and each bailey beam is connected through a flower stand.
The inclined strut 2 comprises a horizontal strut and a steel pipe column inclined strut, and the horizontal strut comprises a horizontal strut directly welded with the steel pipe column and a horizontal strut connected with the pier column.
The horizontal support is connected with the pier stud 11, a protective layer is arranged between the horizontal support and the pier stud, the protective layer is made of flexible materials, the flexible materials are made of materials with certain softness and flexibility and suitable for building construction, and the protective layer is made of any one of cotton felt, geotextile, rubber pads and felt. The protective layer is used for preventing to lead to the fact destruction to the pier stud after the horizontal brace atress that links to each other with the pier stud.
The center distance of the steel pipe column 1 to the edge of the bearing platform 12 is more than or equal to 0.5 m. Here, the center of the steel pipe column 1 of this embodiment is set to be 0.5m from the edge of the cap 12 in view of safety.
The periphery of pier stud 11 is equipped with rectangle steel pipe support 13, steel pipe support 13 be used for preventing with the level that pier stud 11 links to each other props the gliding, steel pipe support 13 contains four vertical steel pipes at least, this embodiment steel pipe support 13 is four vertical steel pipes, vertical steel pipe is followed pier stud evenly distributed all around, be equipped with the support bracing piece through the steel pipe interconnect of horizontal and/or slant setting between the vertical steel pipe, this embodiment be equipped with the support bracing piece through the steel pipe interconnect of horizontal setting between the vertical steel pipe, every the support bracing piece be used for lifting with the level that pier stud 11 links to each other props, the lower extreme of steel pipe support 13 is supported and is established on cushion cap 12, and is horizontal the support bracing piece erects pier stud 11 links to each other below the level props.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a single-column bent cap steel-pipe column bailey beam construction braced system which characterized in that: the capping beam concrete load supporting device comprises a support foundation, a supporting system for supporting a capping beam concrete load, a capping beam shaping steel formwork positioned above the supporting system, and a capping beam arranged above the capping beam shaping steel formwork;
the support foundation comprises a pile foundation and a bearing platform positioned on the pile foundation;
a pier column is arranged on the bearing platform;
the support system sequentially comprises a steel pipe column, a movable head, a distribution beam, a Bailey beam and a main beam from bottom to top, wherein the movable head is connected with the steel pipe column through a flange plate, the distribution beam is connected with the top surface of the movable head, the Bailey beam is arranged above the distribution beam, is abutted against the pier column and is used for preventing the Bailey beam from being horizontally unstable inwards, is arranged on the outer side of the pier column and is oppositely pulled through the Bailey beam to a pull rod horizontally and is used for preventing the Bailey beam from being horizontally unstable outwards, the main beam is arranged above the Bailey beam, and the main beam stretches across the Bailey beam;
the bent cap design steel form set up in girder top, the steel-pipe column adopts the ring flange to pass through pre-buried connecting piece vertical fixing on the cushion cap, the bracing with the steel-pipe column is connected, through the bracing staple bolt draw bar with the pier stud is to drawing the formation wholly, will the bracing with the pier stud is fixed.
2. The single-column bent cap steel pipe column Bailey beam construction supporting system according to claim 1 is characterized in that: the steel pipe column comprises standard sections with different lengths, the steel pipe columns are connected through flanges, the inclined struts are welded with the steel pipe columns in the longitudinal and transverse directions, and the inclined strut hoops are used for oppositely pulling the pull rods on two sides of the pier column.
3. The single-column bent cap steel pipe column Bailey beam construction supporting system according to claim 2 is characterized in that: the inclined struts are erected in a Z shape or an X shape.
4. The single-column bent cap steel pipe column Bailey beam construction supporting system according to claim 3, is characterized in that: the Bailey beam and the distribution beam are locked firmly by adopting U-shaped bolts and are used for preventing the Bailey beam from sliding.
5. The single-column bent cap steel pipe column Bailey beam construction supporting system according to claim 4, is characterized in that: the steel pipe column is erected in a plane where a vertical section at a node of the Bailey beam is located.
6. The single-column bent cap steel pipe column Bailey beam construction supporting system according to claim 5, is characterized in that: the Bailey beams are composed of at least two Bailey pieces, a plurality of Bailey pieces form a Bailey beam, the Bailey pieces are connected through pins, and each Bailey beam is connected through a flower stand.
7. The single-column bent cap steel pipe column Bailey beam construction supporting system according to claim 6, is characterized in that: the inclined strut comprises a horizontal strut and a steel pipe column inclined strut, and the horizontal strut comprises a horizontal strut directly welded with the steel pipe column and a horizontal strut connected with the pier column.
8. The construction support system for the single-column bent cap steel pipe column Bailey beam as claimed in claim 7, is characterized in that: and a protective layer is arranged between the horizontal support connected with the pier stud and is any one of cotton felt, geotextile, rubber pad and felt.
9. The construction support system for the single-column bent cap steel pipe column Bailey beam is characterized in that: the center distance of the steel pipe column to the edge of the bearing platform is more than or equal to 0.5 m.
10. The construction support system for the single-column bent cap steel pipe column Bailey beam is characterized in that: the pier stud periphery is equipped with steel pipe support, steel pipe support be used for prevent with the level that the pier stud links to each other props the gliding, steel pipe support contains four vertical steel pipes at least, vertical steel pipe is followed evenly distributed all around the pier stud, be equipped with the support bracing piece through the steel pipe interconnect of horizontal and/or slant setting between the vertical steel pipe, every the support bracing piece be used for fixed and lift with the level that the pier stud links to each other props, steel pipe support's lower extreme supports and establishes on the cushion cap, it is horizontal the support bracing piece erects the pier stud links to each other below the level props.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022823140.2U CN213867405U (en) | 2020-11-30 | 2020-11-30 | Single-column bent cap steel pipe column bailey beam construction support system |
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| CN202022823140.2U CN213867405U (en) | 2020-11-30 | 2020-11-30 | Single-column bent cap steel pipe column bailey beam construction support system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463522A (en) * | 2021-08-11 | 2021-10-01 | 北京住总集团有限责任公司 | Auxiliary device and method for bent cap construction |
| CN113818361A (en) * | 2021-09-30 | 2021-12-21 | 福建第一公路工程集团有限公司 | Template support cantilever support system and installation method thereof |
-
2020
- 2020-11-30 CN CN202022823140.2U patent/CN213867405U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463522A (en) * | 2021-08-11 | 2021-10-01 | 北京住总集团有限责任公司 | Auxiliary device and method for bent cap construction |
| CN113463522B (en) * | 2021-08-11 | 2023-06-02 | 北京住总集团有限责任公司 | Auxiliary device and method for bent cap construction |
| CN113818361A (en) * | 2021-09-30 | 2021-12-21 | 福建第一公路工程集团有限公司 | Template support cantilever support system and installation method thereof |
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