CN103048198A - Load test method for rhombus hanging basket - Google Patents
Load test method for rhombus hanging basket Download PDFInfo
- Publication number
- CN103048198A CN103048198A CN2012105813235A CN201210581323A CN103048198A CN 103048198 A CN103048198 A CN 103048198A CN 2012105813235 A CN2012105813235 A CN 2012105813235A CN 201210581323 A CN201210581323 A CN 201210581323A CN 103048198 A CN103048198 A CN 103048198A
- Authority
- CN
- China
- Prior art keywords
- diamond
- stretch
- draw
- shape form
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a load test method for a rhombus hanging basket, which comprises the following 11 operation steps: 1, choosing a field; 2, mounting girder pieces of the rhombus hanging basket; 3, mounting a front bracket base; 4, mounting anchor bars and tension pedal bars; 5, pre-tightening the anchor bars and the tension pedal bars; 6, mounting a tension jack; 7, measuring opposite position sizes of the girder pieces of the rhombus hanging basket; 8, calculating the safe load; 9, loading and measuring the opposite position sizes of the girder pieces of the rhombus hanging basket; 10, unloading and measuring the opposite position sizes of the girder pieces of the rhombus hanging basket; and 11, calculating and analyzing according to the measurement data. The method copies the load test of the hanging basket from the high-place operation to the ground operation, so that the safety risk in the working at heights is reduced, excessive ballasting materials are decreased, the construction cost is reduced, and the pressure test construction period is shortened; the load is applied by adopting the tension jack, so that the loading data is precisely controlled; and as the safe reliability of the structure is detected, the non-elastic deformation of the structure is eliminated. The method is suitable for the load test of the rhombus hanging basket.
Description
Technical field
The present invention relates to a kind of load test method, particularly relate to a kind of load test method of Diamond-Shape Form Traveler.
Background technology
Hanging Basket is that an energy is along the jenny scaffold of track travel, the main facility of cantilever pouring construction, be suspended on the case beam beam section of stretch-draw anchor, the work such as the template installation of case beam beam section, reinforcing bar binding, prestress pipe installation, concreting, prestressed stretch-draw, mud jacking are all carried out at Hanging Basket during cantilever pouring.After the operational procedure of a beam section was finished, anchor after Hanging Basket is removed was shifted to next beam section construction.So Hanging Basket is the preparation of construction in space, be again the not load-carrying members of stretch-draw front-axle beam section of presstressed reinforcing steel.
Cradle construction is comparatively extensive in application in front axle beam free cantilever casting and free cantilever erection, and construction technology relatively routinizes and standardization.The Diamond-Shape Form Traveler structural-load-carrying capacity is stronger, and is stressed clearer and more definite, and Diamond-Shape Form Traveler is used in general consideration when the Longspan Bridge free cantilever casting.Diamond-Shape Form Traveler is a kind of of cradle structure form, is comprised of Diamond-Shape Form Traveler purlin sheet, door frame, crossbeam etc., and planform is rhombus.Wherein, Diamond-Shape Form Traveler purlin sheet is comprised of web member, upper truss, lower truss and brace etc.The loading test of cradle at present general mode of stacking load that adopts carries out, according to structure design theoretical size establishment load precompressed figure, stack the load that is complementary with it according to load precompressed figure at each position of platform hanging basket, itself and structure design weight are matched, check the structural safety reliability of Hanging Basket with this.This load test method construction is simpler, but construction period is longer, and the material of use is more, general relatively more difficult enough load ballast materials that guarantees to assort at short notice, and the high-altitude working safety risk is high simultaneously.
Summary of the invention
Purpose of the present invention is to provide a kind of load test method of Diamond-Shape Form Traveler.
The solution that the present invention solves its technical matters is: a kind of load test method of Diamond-Shape Form Traveler, and it may further comprise the steps:
1), selects smooth ground;
2), web member, upper truss, lower truss and brace are assembled into two identical Diamond-Shape Form Traveler purlin sheets;
3), with two Diamond-Shape Form Traveler purlin sheets placements in the plane, the lower truss of two Diamond-Shape Form Traveler purlin sheets is relative, and a base before installing between the front fulcrum of two lower truss, makes two Diamond-Shape Form Traveler purlin sheets be in same plane;
4), at the rear fulcrum of lower truss rear fulcrum anchoring bearing beam is installed, and at least one dowel that passes lower truss is installed between rear fulcrum anchoring bearing beam, this end that dowel is installed is anchored end, at the upper fulcrum of upper truss front fulcrum dowel bearing beam is installed, at least one stretch-draw of passing truss is installed between front fulcrum dowel bearing beam pedals muscle, this end that muscle is pedaled in installation stretch-draw is stretching end;
5), pre-tensioner dowel and stretch-draw pedals muscle, so that two Diamond-Shape Form Traveler purlin sheets form tension state;
6), every stretch-draw two ends of pedaling muscle are equipped with stretch-draw jack, stretch-draw jack is installed on the front fulcrum dowel bearing beam, stretch-draw jack can jacking be arranged on stretch-draw and pedals nut on the muscle;
7), measure to load before the physical dimension of Diamond-Shape Form Traveler purlin sheet, mainly be the centre distances between the centre distance between fulcrum and two upper truss front fulcrums on two lower truss, namely the position relationship of anchored end and stretching end makes a record;
8), theory load and safety load by Diamond-Shape Form Traveler purlin sheet be 1.25 times of theory loads, calculates safety load;
9), the stretch-draw jack hierarchical loading, measure simultaneously accurately every grade and load Diamond-Shape Form Traveler purlin each column joints deformation data of sheet, the i.e. deflection of anchored end and stretching end;
10), the stretch-draw jack load shedding, Diamond-Shape Form Traveler purlin each column joints deformation data of sheet, the i.e. deflection of anchored end and stretching end are measured in accurate every grade of unloading;
11), according to measuring the data obtained, calculate behind the clean deflection of anchored end and stretching end and the design theory comparative analysis, draw Diamond-Shape Form Traveler purlin sheet load test conclusion: whether Diamond-Shape Form Traveler satisfies the demand, the concrete data of the clean deflection of anchored end and stretching end, whether each main rod member and node satisfy requirement of strength.
As further improvement in the technical proposal, in step 4), dowel is fixed on the rear fulcrum anchoring bearing beam by the connected mode of double nut.
As further improvement in the technical proposal, in step 4), the quantity of dowel is 2, and the dowel symmetry is installed between rear fulcrum anchoring bearing beam.
As further improvement in the technical proposal, in step 4), the quantity that muscle is pedaled in stretch-draw is 2, and stretch-draw is pedaled the muscle symmetry and is installed between fulcrum dowel bearing beam.
As further improvement in the technical proposal, in step 9), stretch-draw jack is by 0,20%, 40%, 80% and 100% 5 rank of safety load successively hierarchical loading.
As further improvement in the technical proposal, in step 10), stretch-draw jack is by 100% once unloading of safety load.
As further improvement in the technical proposal, dowel is that diameter is 32 millimeters finish rolling deformed bar, and it is 32 millimeters finish rolling deformed bar that muscle is pedaled in stretch-draw.
As further improvement in the technical proposal, stretch-draw jack is the hydraulic jack of 60 positions.
The invention has the beneficial effects as follows: the present invention contrasts the advantage that prior art has the following aspects:
1) by loading test of cradle is carried out to ground by high-rise working is imitated, reduces the high-altitude working safety risk; Reduce too much ballast material, reduce construction cost; Shorten the pressure testing construction period;
2) adopt the stretch-draw jack imposed load, load data and accurately control;
3) web member, upper truss, lower truss and brace are assembled into two identical Diamond-Shape Form Traveler purlin sheets, then two shape Hanging Basket purlin sheets are placed on the ground, make it be in same plane, then base, rear fulcrum anchoring bearing beam and front fulcrum dowel bearing beam before installing, dowel and stretch-draw are installed pedal muscle, calculate stretch-draw according to load pressure testing rated load and pedal the muscle stretching force, muscle is pedaled in stretch-draw stretch-draw, check structural safety reliability is eliminated the inelastic deformation of structure.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing and example.
Floor map when Fig. 1 is two Diamond-Shape Form Traveler purlin sheet load tests of the present invention;
Fig. 2 is the enlarged diagram of anchored end of the present invention;
Fig. 3 is the enlarged diagram of stretching end of the present invention.
Embodiment
Below in conjunction with accompanying drawing, describe the application of the present invention in the load test of Diamond-Shape Form Traveler in detail.
With reference to Fig. 1～Fig. 3, a kind of load test method of Diamond-Shape Form Traveler, it may further comprise the steps:
1), selects smooth ground;
2), web member 4, upper truss 2, lower truss 1 and brace 3 are assembled into two identical Diamond-Shape Form Traveler purlin sheets;
3), with two Diamond-Shape Form Traveler purlin sheets placements in the plane, the lower truss 1 of two Diamond-Shape Form Traveler purlin sheets is relative, and a base 5 before installing between the front fulcrum of two lower truss 1, makes two Diamond-Shape Form Traveler purlin sheets be in same plane;
4), at the rear fulcrum of lower truss 1 rear fulcrum anchoring bearing beam 6 is installed, and 6 of rear fulcrum anchoring bearing beams at least one dowel 60 that passes lower truss 1 is installed, this end that dowel 60 is installed is anchored end, at the upper fulcrum of upper truss 2 front fulcrum dowel bearing beam 7 is installed, 7 of front fulcrum dowel bearing beams at least one stretch-draw of passing truss 2 is installed and pedals muscle 70, this end that muscle 70 is pedaled in installation stretch-draw is stretching end;
5), pre-tensioner dowel 60 and stretch-draw pedals muscle 70, so that two Diamond-Shape Form Traveler purlin sheets form tension state;
6), every stretch-draw two ends of pedaling muscle 70 are equipped with stretch-draw jack 8, stretch-draw jack 8 is installed on the front fulcrum dowel bearing beam 7, stretch-draw jack 8 can jackings be arranged on stretch-draw and pedals nut on the muscle 70;
7), measure to load before the physical dimension of Diamond-Shape Form Traveler purlin sheet, mainly be the centre distances between the centre distance between fulcrum and two upper truss front fulcrums on two lower truss, namely the position relationship of anchored end and stretching end makes a record;
8), theory load and safety load by Diamond-Shape Form Traveler purlin sheet be 1.25 times of theory loads, calculates safety load;
9), stretch-draw jack 8 hierarchical loading, measure simultaneously accurately every grade and load Diamond-Shape Form Traveler purlin each column joints deformation data of sheet, the i.e. deflection of anchored end and stretching end;
10), stretch-draw jack 8 load sheddings, Diamond-Shape Form Traveler purlin each column joints deformation data of sheet, the i.e. deflection of anchored end and stretching end are measured in accurate every grade of unloading;
11), according to measuring the data obtained, calculate behind the clean deflection of anchored end and stretching end and the design theory comparative analysis, draw Diamond-Shape Form Traveler purlin sheet load test conclusion: whether Diamond-Shape Form Traveler satisfies the demand, the concrete data of the clean deflection of anchored end and stretching end, whether each main rod member and node satisfy requirement of strength.
Be further used as preferred embodiment, in step 4), dowel 60 is fixed on the rear fulcrum anchoring bearing beam 6 by the connected mode of double nut.
Be further used as preferred embodiment, in step 4), the quantity of dowel 60 is 2, and dowel 60 symmetries are installed in 6 of rear fulcrum anchoring bearing beams.
Be further used as preferred embodiment, in step 4), the quantity that muscle 70 is pedaled in stretch-draw is 2, and stretch-draw is pedaled muscle 70 symmetries and is installed in 7 of fulcrum dowel bearing beams.
Be further used as preferred embodiment, in step 9), stretch-draw jack 8 is by 0,20%, 40%, 80% and 100% 5 rank of safety load successively hierarchical loading.
Be further used as preferred embodiment, in step 10), stretch-draw jack 8 is by 100% once unloading of safety load.
Be further used as preferred embodiment, dowel 60 is 32 millimeters finish rolling deformed bar for diameter, and it is 32 millimeters finish rolling deformed bar that muscle 70 is pedaled in stretch-draw.
Be further used as preferred embodiment, stretch-draw jack 8 is the hydraulic jack of 60 positions.
The below is one embodiment of the present of invention:
On main road, expensive wide railway span three mountain continuous beam, 4 cover Diamond-Shape Form Traveler are set altogether.Loading test of cradle all adopts the jack pair mode of drawing to carry out, every cover Hanging Basket is pressed the 60t design, every Diamond-Shape Form Traveler purlin sheet carrying 30t, carry out loading test according to Hanging Basket 1.25 multiplying factors, as stretching force, the Diamond-Shape Form Traveler loading test is finally carried out at the scene to final every Diamond-Shape Form Traveler purlin sheet in this way according to 40t.
Upper fulcrum according to upper truss 2 calculates the stretching force configuration stretch-draw jack 8 that muscle 70 is pedaled in stretch-draw, every Diamond-Shape Form Traveler purlin sheet adopts 2 60t stretch-draw jacks 8,4 stretch-draw jacks 8 carry out stretch-draw synchronously, by the high-pressure oil pump fuel feeding, stretch-draw jack 8 beginning jackings, stretch-draw jack 8 jackings are arranged on stretch-draw and pedal nut on the muscle 70, and making diameter is that the stretch-draw of 32mm is pedaled muscle 70 and is subjected to pulling force.8 pairs of stretch-draw jacks draw graduation to carry out, Diamond-Shape Form Traveler purlin sheet applies symmetrical stretching force 40t, it is 20t that muscle 70 stretching forces are pedaled in every stretch-draw, every truss is arranged 2 stretch-draw jacks 8, amount to 4, every stretch-draw jack 8 stressed 10t, stretch-draw jack 8 applies stretching force according to 20%, 40%, 80%, 100%, and symmetrical stretch-draw load deflection observed case is as follows: (pressing the control of separate unit jack tension power)
Stretch-draw is front to be 4mm with unloading posttension pull end total deformation, and the anchored end total deformation is 1mm, calculates with theory to match, and satisfies calculation requirement.
More than be that preferred embodiments of the present invention is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of spirit of the present invention, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (8)
1. the load test method of a Diamond-Shape Form Traveler is characterized in that, it may further comprise the steps:
1), selects smooth ground;
2), web member (4), upper truss (2), lower truss (1) and brace (3) are assembled into two identical Diamond-Shape Form Traveler purlin sheets;
3), with two Diamond-Shape Form Traveler purlin sheets placements in the plane, the lower truss (1) of two Diamond-Shape Form Traveler purlin sheets is relative, and a base (5) before installing between the front fulcrum of two lower truss (1), makes two Diamond-Shape Form Traveler purlin sheets be in same plane;
4), at the rear fulcrum of lower truss (1) rear fulcrum anchoring bearing beam (6) is installed, and at least one dowel (60) that passes lower truss (1) is installed between rear fulcrum anchoring bearing beam (6), this end that dowel (60) is installed is anchored end, upper fulcrum at upper truss (2) is installed front fulcrum dowel bearing beam (7), at least one stretch-draw of passing upper truss (2) is installed between front fulcrum dowel bearing beam (7) pedals muscle (70), this end that muscle (70) is pedaled in installation stretch-draw is stretching end;
5), pre-tensioner dowel (60) and stretch-draw pedals muscle (70), so that two Diamond-Shape Form Traveler purlin sheets form tension state;
6), every stretch-draw two ends of pedaling muscle (70) are equipped with stretch-draw jack (8), stretch-draw jack (8) is installed on the front fulcrum dowel bearing beam (7), stretch-draw jack (8) can jacking be arranged on stretch-draw and pedals nut on the muscle (70);
7), measure to load before the physical dimension of Diamond-Shape Form Traveler purlin sheet, mainly be the centre distances between the centre distance between fulcrum and two upper truss front fulcrums on two lower truss, namely the position relationship of anchored end and stretching end makes a record;
8), theory load and safety load by Diamond-Shape Form Traveler purlin sheet be 1.25 times of theory loads, calculates safety load;
9), stretch-draw jack (8) hierarchical loading, measure simultaneously accurately every grade and load Diamond-Shape Form Traveler purlin each column joints deformation data of sheet, the i.e. deflection of anchored end and stretching end;
10), stretch-draw jack (8) load shedding, Diamond-Shape Form Traveler purlin each column joints deformation data of sheet, the i.e. deflection of anchored end and stretching end are measured in accurate every grade of unloading;
11), according to measuring the data obtained, calculate behind the clean deflection of anchored end and stretching end and the design theory comparative analysis, draw Diamond-Shape Form Traveler purlin sheet load test conclusion: whether Diamond-Shape Form Traveler satisfies the demand, the concrete data of the clean deflection of anchored end and stretching end, whether each main rod member and node satisfy requirement of strength.
2. the load test method of Diamond-Shape Form Traveler according to claim 1 is characterized in that, in step 4), described dowel (60) is fixed on the rear fulcrum anchoring bearing beam (6) by the connected mode of double nut.
3. the load test method of Diamond-Shape Form Traveler according to claim 1 is characterized in that, in step 4), the quantity of described dowel (60) is 2, and dowel (60) symmetry is installed between rear fulcrum anchoring bearing beam (6).
4. the load test method of Diamond-Shape Form Traveler according to claim 1 is characterized in that, in step 4), the quantity that muscle (70) is pedaled in described stretch-draw is 2, and stretch-draw is pedaled muscle (70) symmetry and is installed between fulcrum dowel bearing beam (7).
5. the load test method of Diamond-Shape Form Traveler according to claim 1 is characterized in that, in step 9), described stretch-draw jack (8) is by 0,20%, 40%, 80% and 100% 5 rank of safety load successively hierarchical loading.
6. the load test method of Diamond-Shape Form Traveler according to claim 1 is characterized in that, in step 10), described stretch-draw jack (8) is by 100% once unloading of safety load.
7. the load test method of Diamond-Shape Form Traveler according to claim 1 is characterized in that, described dowel (60) is 32 millimeters finish rolling deformed bar for diameter, and it is 32 millimeters finish rolling deformed bar that muscle (70) is pedaled in described stretch-draw.
8. the load test method of Diamond-Shape Form Traveler according to claim 1 is characterized in that, described stretch-draw jack (8) is the hydraulic jack of 60 positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105813235A CN103048198A (en) | 2012-12-27 | 2012-12-27 | Load test method for rhombus hanging basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105813235A CN103048198A (en) | 2012-12-27 | 2012-12-27 | Load test method for rhombus hanging basket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103048198A true CN103048198A (en) | 2013-04-17 |
Family
ID=48060920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105813235A Pending CN103048198A (en) | 2012-12-27 | 2012-12-27 | Load test method for rhombus hanging basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103048198A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277747A (en) * | 2018-04-03 | 2018-07-13 | 交通运输部公路科学研究所 | Cantilever pouring unbalance loading monitoring method based on Hanging Basket deformation |
| CN115014968A (en) * | 2022-08-09 | 2022-09-06 | 山西潇河建筑产业有限公司 | High-efficiency truss node strength detection device and detection method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231208A (en) * | 2008-02-27 | 2008-07-30 | 中铁十三局集团有限公司 | Method of testing hanging-filling beam suspension basket and bracket equivalent load |
| CN101942809A (en) * | 2010-09-30 | 2011-01-12 | 中铁四局集团第一工程有限公司 | Hanging-basket main-truss prepressing system |
| CN101949778A (en) * | 2010-08-11 | 2011-01-19 | 中铁三局集团有限公司 | Cradle static loading test method |
| CN101982611A (en) * | 2010-10-21 | 2011-03-02 | 中铁四局集团建筑工程有限公司 | Jack symmetric precompaction construction method for hanging basket girders for bridge hanging basket suspension casting construction |
| CN102051858A (en) * | 2010-12-08 | 2011-05-11 | 四川路航建设工程有限责任公司 | Jack loading triangular truss hanging basket and load test construction method thereof |
| CN102494907A (en) * | 2011-11-16 | 2012-06-13 | 中铁三局集团有限公司 | Static load test method for in-situ hanging basket |
-
2012
- 2012-12-27 CN CN2012105813235A patent/CN103048198A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231208A (en) * | 2008-02-27 | 2008-07-30 | 中铁十三局集团有限公司 | Method of testing hanging-filling beam suspension basket and bracket equivalent load |
| CN101949778A (en) * | 2010-08-11 | 2011-01-19 | 中铁三局集团有限公司 | Cradle static loading test method |
| CN101942809A (en) * | 2010-09-30 | 2011-01-12 | 中铁四局集团第一工程有限公司 | Hanging-basket main-truss prepressing system |
| CN101982611A (en) * | 2010-10-21 | 2011-03-02 | 中铁四局集团建筑工程有限公司 | Jack symmetric precompaction construction method for hanging basket girders for bridge hanging basket suspension casting construction |
| CN102051858A (en) * | 2010-12-08 | 2011-05-11 | 四川路航建设工程有限责任公司 | Jack loading triangular truss hanging basket and load test construction method thereof |
| CN102494907A (en) * | 2011-11-16 | 2012-06-13 | 中铁三局集团有限公司 | Static load test method for in-situ hanging basket |
Non-Patent Citations (1)
| Title |
|---|
| 陆泽标: "何家坡大桥菱形挂篮试压试验", 《公路与汽运》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277747A (en) * | 2018-04-03 | 2018-07-13 | 交通运输部公路科学研究所 | Cantilever pouring unbalance loading monitoring method based on Hanging Basket deformation |
| CN108277747B (en) * | 2018-04-03 | 2019-03-22 | 交通运输部公路科学研究所 | Cantilever pouring unbalance loading monitoring method based on Hanging Basket deformation |
| CN115014968A (en) * | 2022-08-09 | 2022-09-06 | 山西潇河建筑产业有限公司 | High-efficiency truss node strength detection device and detection method thereof |
| CN115014968B (en) * | 2022-08-09 | 2022-11-08 | 山西潇河建筑产业有限公司 | High-efficiency truss node strength detection device and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102051858B (en) | Jack loading triangular truss hanging basket and load test construction method thereof | |
| CN101761034B (en) | Construction method of side block straight-line segment of cantilever-concreting continuous beam | |
| CN102052935B (en) | Single tower cable-stayed bridge model test system based on damage identification | |
| CN104975621B (en) | A kind of many anchored end retaining wall indoor model test device and test method | |
| CN204849607U (en) | A continuous beam string basket pre -compaction device for bridge construction | |
| CN201574359U (en) | Hanging basket equivalent preloading device used in high-pier large-span bridge construction | |
| CN103911957A (en) | Prestressed continuous box-girder cantilever construction basket | |
| CN101824801B (en) | Non-in-situ prepressing method of self-anchored type support frame and self-anchored type support frame thereof | |
| CN101624164B (en) | Hoisting method of machine set generator stator and special mechanism thereof | |
| CN104131516A (en) | Bridge cast-in-cantilever method cradle counter-pressure construction method | |
| CN209624252U (en) | Hanging Basket artificial intelligence loading system | |
| CN106400694A (en) | Fabricated prestressing device and method for high pier scaffoldings | |
| CN103048198A (en) | Load test method for rhombus hanging basket | |
| CN112095435B (en) | Construction method for prepressing large-span steel arch frame | |
| CN201110804Y (en) | Multifunctional experimental bench | |
| CN205676784U (en) | Bracket reverse drawing loads prepressing device | |
| CN201695337U (en) | Straight-line segment bracket of side pier of grouting continuous beam | |
| CN109629450B (en) | Device, system and method for adjusting transverse linear matching of cantilever assembly of steel box girder | |
| CN114197544B (en) | Counterforce device and counterforce applying method for single-pile vertical static load test | |
| CN109682690A (en) | Hanging Basket artificial intelligence loading system | |
| CN214309937U (en) | Detecting structure for bearing capacity of bent cap | |
| CN201901847U (en) | Jack loading triangular truss hanging basket | |
| CN104764618B (en) | A kind of bridge cantilever pours the controllable equivalent advanced press load test method of Hanging Basket | |
| CN210269455U (en) | Creep test device for FRP rib anchor system | |
| CN102535532A (en) | Anchor rib-steel beam combined counter-force device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130417 |