CN204401468U - A kind of bottom lower transverse beam is with the Cast-in-situ Beam falsework of default stress - Google Patents
A kind of bottom lower transverse beam is with the Cast-in-situ Beam falsework of default stress Download PDFInfo
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- CN204401468U CN204401468U CN201420839584.7U CN201420839584U CN204401468U CN 204401468 U CN204401468 U CN 204401468U CN 201420839584 U CN201420839584 U CN 201420839584U CN 204401468 U CN204401468 U CN 204401468U
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- lower transverse
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 210000002435 tendon Anatomy 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses the Cast-in-situ Beam falsework of a kind of bottom lower transverse beam with default stress, support Cast-in-situ Beam both sides buttress and buttress platform are symmetrical arranged two side stands, the form of structure of described two side stands is: on buttress platform, be fixedly installed column respectively, is fixedly installed collateral seat respectively in column bottom; Lower transverse beam is fixedly connected with respectively by intermediate support between two collateral seats, the take-up device producing pre-tight stress is set between two bearings, cant beam is fixedly connected with respectively at collateral seat, topmast seat is connected respectively at cant beam end winding support, between topmast seat-and intermediate support, cant beam b is set respectively, topmast seat-between be fixedly connected with top rail, unloading sand cylinder is fixedly connected with respectively on the top of column, topmast seat, be fixedly installed i iron on unloading sand cylinder top respectively to support, Bailey beam is arranged on i iron and supports.In installation process, install take-up device in advance, and produce strain by the collateral seat of this take-up device to both sides, like this when carrying out Cast-in-situ Beam and making, the horizontal compressive stress contrary with strain direction that cant beam a offside bearing produces just in time is balanced out or greatly reduce, make this water beam falsework entirety like this and can be subject to less horizontal compressive stress, be only subject to compressed stress, and vertical stress is all acted on buttress platform.
Description
Technical field
The utility model relates to the technical field of Cast-in-situ Beam falsework construction, and specifically a kind of bottom lower transverse beam is with the Cast-in-situ Beam falsework of default stress.
Background technology
Chinese patent 2013101636202 discloses a kind of large-span non-floor type cast-in-place beam falsework and construction method thereof, no longer bored pile is carried out between this Cast-in-situ Beam falsework, high-pressure rotary jet grouting pile, the basement process such as steel pipe pile, directly the Cast-in-situ Beam falsework strong point is arranged on the cushion cap pier shaft of both sides, meet the use of crossing over river or subgrade, there is not the problems such as waste because basement process brings and environment pollution simultaneously, all the more extensive in the construction field application of Cast-in-situ Beam falsework, but the bearing diagonal of this kind of structure falsework both sides can produce very large horizontal direction stress to bottom respectively, the existence of this stress can produce the pulling force of a pair level to whole falsework structure, overall stressed unreasonable, hidden danger is brought to safe construction.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of bottom lower transverse beam with the Cast-in-situ Beam falsework of default stress and construction method thereof, and eliminate or substantially reduce horizontal stress, the safe construction for Cast-in-situ Beam falsework provides important technology guarantee; This Cast-in-situ Beam falsework compact conformation and easy for installation simultaneously.
For achieving the above object, the technical scheme that the utility model adopts is: on support Cast-in-situ Beam both sides buttress and buttress platform, be symmetrical arranged two side stands, the form of structure of described two side stands is:
Buttress platform is fixedly installed column respectively, is fixedly installed collateral seat in column bottom respectively;
Lower transverse beam is fixedly connected with respectively by intermediate support between two collateral seats, the take-up device producing pre-tight stress is set between two collateral seats, cant beam a is fixedly connected with respectively at collateral seat, topmast seat is connected respectively at cant beam a end winding support, between topmast seat and intermediate support, cant beam b is set respectively, top rail is fixedly connected with between topmast seat, unloading sand cylinder is fixedly connected with respectively on the top of column, topmast seat, be fixedly installed i iron on unloading sand cylinder top respectively to support, Bailey beam is arranged on i iron and supports.
In installation process, install take-up device in advance, and produce strain by the collateral seat a of this take-up device to both sides, like this when carrying out Cast-in-situ Beam and making, the horizontal compressive stress contrary with strain direction that cant beam a offside bearing a produces just in time is balanced out or greatly reduce, make this water beam falsework entirety like this and can be subject to less horizontal compressive stress, be only subject to compressed stress, and vertical stress is all acted on buttress platform.
The utility model devises, and described take-up device comprises steel tendon and round-meshed securing member, and described steel tendon runs through between collateral seat, lower transverse beam, intermediate support, is strained by the round-meshed securing member being separately positioned on side block end.
The utility model devises, and is connected pre-stress sensor respectively at collateral seat, intermediate support, topmast seat with the hinged place of crossbeam, and pre-stress sensor connects outside prestressing force watch-dog.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the connection layout with external prestress watch-dog;
Fig. 3 is the link of steel tendon and collateral seat.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
Be a specific embodiment of the present utility model as Figure 1-3, bottom this, lower transverse beam is with the Cast-in-situ Beam falsework of default stress, and support Cast-in-situ Beam 7 both sides buttress 8 and buttress platform 6 are symmetrical arranged two side stands, and the form of structure of described two side stands is:
Buttress platform 6 is fixedly installed column 2 respectively, bottom column 2, is fixedly installed collateral seat 13-1 respectively;
Lower transverse beam 1-1 is fixedly connected with respectively by intermediate support 13-2 between two collateral seat 13-1, cant beam a12-1 is fixedly connected with respectively at collateral seat 13-1, topmast seat 13-3 is connected respectively at cant beam a12-1 end winding support, between topmast seat 13-3 and intermediate support 13-2, cant beam b12-2 is set respectively, top rail 1-2 is fixedly connected with between topmast seat 13-3, unloading sand cylinder 3 is fixedly connected with respectively on the top of column 2, topmast seat 13-3, be fixedly installed i iron on unloading sand cylinder 3 top respectively and support 4, Bailey beam 7 is arranged on i iron and supports on 4
Also comprise steel tendon 15 and round-meshed securing member 14, described steel tendon 15 runs through between collateral seat a13-1, lower transverse beam 1-1, intermediate support 13-2, is strained by the round-meshed securing member 14 being separately positioned on collateral seat a13-1 end.
In this example, be connected pre-stress sensor respectively at collateral seat 13-1, intermediate support 13-2, topmast seat 13-3 with the hinged place of crossbeam, pre-stress sensor connects outside prestressing force watch-dog 16.
The construction method of this Cast-in-situ Beam falsework comprises the following steps:
1. build buttress 8 and buttress platform 6, on buttress platform 6, be fixedly installed column 2 respectively;
2. installation side bearing a13-1, intermediate support 13-2 and lower transverse beam 1-1 successively;
3. run through steel tendon 15 at collateral seat a13-1, intermediate support 13-2 and lower transverse beam 1-1 inside, by stretch-draw jack to steel tendon 15 stretch-draw, live steel tendon 15 with securing member 14 anchor and realize prestressing force;
4. cant beam a12-1, topmast seat 13-3 and cant beam b12-2 is connected successively;
5. be fixedly connected with unloading sand cylinder 3 respectively on the top of column 2, topmast seat 13-3, be fixedly installed i iron on unloading sand cylinder 3 top respectively and support 4, Bailey beam 7 is arranged on i iron and supports on 4.
Technique effect of the present utility model is:
1. owing to devising take-up device, collateral seat 13-1, cant beam a12-1, strain is produced by the collateral seat 13-1 of take-up device to both sides, like this when carrying out Cast-in-situ Beam and making, the horizontal compressive stress contrary with strain direction that cant beam a12-1 offside bearing 13-1 produces just in time is balanced out or greatly reduce, make this water beam falsework entirety like this and can be subject to less horizontal compressive stress, only be subject to compressed stress, and vertical stress is all acted on buttress platform 6, reduce the application risk of this device.
2. owing to devising steel tendon 15 and round-meshed securing member 14, make pretightning force easy to adjust, meet the instructions for use of the Cast-in-situ Beam to Different Weight.
3. due to design prestressing force watch-dog, can long-range or on-the-spot input prestressing force parameters, monitor the using state of support system at any time, realize fine-grained management, avoid occurring sudden security incident.
Certainly; above-mentioned explanation is not the restriction to utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (3)
1. a bottom lower transverse beam is with the Cast-in-situ Beam falsework of default stress, it is characterized in that: in support Cast-in-situ Beam (7) both sides buttress (8) and buttress platform (6), be symmetrical arranged two side stands, the form of structure of described two side stands is:
Buttress platform (6) is fixedly installed column (2) respectively, is fixedly installed collateral seat (13-1) in column (2) bottom respectively, lower transverse beam (1-1) is fixedly connected with respectively by intermediate support (13-2) between two collateral seats (13-1), the take-up device producing pre-tight stress is set between two collateral seats (13-1), cant beam a (12-1) is fixedly connected with respectively at collateral seat (13-1), topmast seat (13-3) is connected respectively at cant beam a (12-1) end winding support, cant beam b (12-2) is set respectively between topmast seat (13-3) and intermediate support (13-2), top rail (1-2) is fixedly connected with between topmast seat (13-3), respectively in column (2), the top of topmast seat (13-3) is fixedly connected with unloading sand cylinder (3), be fixedly installed i iron on unloading sand cylinder (3) top respectively and support (4), Bailey beam (7) is arranged on i iron and supports on (4).
2. a kind of bottom according to claim 1 lower transverse beam is with the Cast-in-situ Beam falsework of default stress, it is characterized in that: described take-up device comprises steel tendon (15) and round-meshed securing member (14), described steel tendon (15) runs through between collateral seat (13-1), lower transverse beam (1-1), intermediate support (13-2), is strained by the round-meshed securing member (14) being separately positioned on collateral seat (13-1) end.
3. a kind of bottom according to claim 2 lower transverse beam is with the Cast-in-situ Beam falsework of default stress, it is characterized in that: be connected pre-stress sensor at collateral seat (13-1), intermediate support (13-2), topmast seat (13-3) with the hinged place of crossbeam respectively, pre-stress sensor connects outside prestressing force watch-dog (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839584.7U CN204401468U (en) | 2014-12-26 | 2014-12-26 | A kind of bottom lower transverse beam is with the Cast-in-situ Beam falsework of default stress |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839584.7U CN204401468U (en) | 2014-12-26 | 2014-12-26 | A kind of bottom lower transverse beam is with the Cast-in-situ Beam falsework of default stress |
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| Publication Number | Publication Date |
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| CN204401468U true CN204401468U (en) | 2015-06-17 |
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| CN201420839584.7U Active CN204401468U (en) | 2014-12-26 | 2014-12-26 | A kind of bottom lower transverse beam is with the Cast-in-situ Beam falsework of default stress |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087746A (en) * | 2016-06-14 | 2016-11-09 | 江苏燕宁建设工程有限公司 | A kind of cast-in-situ box girder falsework construction method and bridge |
-
2014
- 2014-12-26 CN CN201420839584.7U patent/CN204401468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087746A (en) * | 2016-06-14 | 2016-11-09 | 江苏燕宁建设工程有限公司 | A kind of cast-in-situ box girder falsework construction method and bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cast-in-situ scaffolding with bottom lower crossbeam having preset stress Effective date of registration: 20170406 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2017370000038 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180323 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2017370000038 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cast-in-situ scaffolding with bottom lower crossbeam having preset stress Effective date of registration: 20180416 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2018370000074 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181226 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2018370000074 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cast-in-situ scaffolding with bottom lower crossbeam having preset stress Effective date of registration: 20190111 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING CO., LTD. Registration number: 2019370000008 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200611 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: 2019370000008 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cast-in-situ scaffolding with bottom lower crossbeam having preset stress Effective date of registration: 20200622 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: Y2020980003345 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220217 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: Y2020980003345 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to a cast-in-situ beam dummy frame with preset stress on the bottom lower beam Effective date of registration: 20220411 Granted publication date: 20150617 Pledgee: Tai'an financing Company limited by guarantee Pledgor: SHANDONG TIEYING CONSTRUCTION ENGINEERING Co.,Ltd. Registration number: Y2022980004039 |