CN102839692A - Combined tool for anti-pulling test of raft anti-floating anchor and test method - Google Patents
Combined tool for anti-pulling test of raft anti-floating anchor and test method Download PDFInfo
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- CN102839692A CN102839692A CN2012103401851A CN201210340185A CN102839692A CN 102839692 A CN102839692 A CN 102839692A CN 2012103401851 A CN2012103401851 A CN 2012103401851A CN 201210340185 A CN201210340185 A CN 201210340185A CN 102839692 A CN102839692 A CN 102839692A
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- anchor rod
- float anchor
- ground tackle
- hole
- detects
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Abstract
A combined tool for an anti-pulling test of a raft anti-floating anchor comprises two suspension steel plates, one support cross beam, two buttresses, a jack, a counter-force beam, a ground tackle, a dial indicator and a reference beam, wherein the two suspension steel plates are arranged in parallel, each suspension steel plate is provided with a beam penetrating hole, a rib penetrating hole and a ground tackle hole from top to bottom in sequence, the two buttresses are respectively fixed on two sides of an anti-floating anchor, the two ends of the support cross beam are supported on the buttresses, the jack is supported on the support cross beam, the counter-force beam is arranged on the top surface of the jack and inserted into the beam penetrating hole, the ground tackle passes through the ground tackle hole and consists of two rectangular blocks in a butt joint manner by a connecting bolt C, the two ends of the connecting bolt exceed the ground tackle hole, a circular truncated cone-shaped anchor rod hole is formed in the center of the ground tackle, the anti-floating anchor passes through the ground tackle hole, and an elbow of the anti-floating anchor extends out of the rib penetrating hole. The combined tool can solve the technical problem of the anti-pulling test of the anti-floating anchor with the elbow and is simple in structure and convenient to operate.
Description
Technical field
The test method that the present invention relates to the test frock in a kind of building structure and adopt the test frock to make an experiment, particularly a kind of raft plate anti-float anchor rod resistance to plucking detects box-like instrument of test group and test method.
Background technology
Along with the progress of science, the development of technology, the construction of basement raft plate adopts anti-float anchor rod more and more general.The anti-anchor pole of dialling itself bears pulling force, the quality of its extraction-resistant behavior be directly connected to cut down plate base safety whether, therefore, in work progress, resist dial anchor pole anti-dial test be in constructing must be through program.The existing anti-experimental rig of dialling generally all is to be linear pattern to the test specimen end; Around test specimen, installing test fixture under ground tackle directly directly overlaps from the top like this can test; But the anti-float anchor rod end has elbow; Can't use the monolithic ground tackle, the conventional anti-formula device of dialling also solves the overhanging problem of elbow that realizes anti-float anchor rod.For this reason, seeking a kind of anti-experimental rig of dialling the anchor pole field trial of suitable band elbow, is the key of guaranteeing to cut down the plate base construction quality.
Summary of the invention
The purpose of this invention is to provide a kind of raft plate anti-float anchor rod resistance to plucking and detect box-like instrument of test group and test method, the technical problem that resistance to plucking is tested is carried out at the anti-float anchor rod scene that solve the band elbow.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of raft plate anti-float anchor rod resistance to plucking detects the box-like instrument of test group, and the end of said anti-float anchor rod has elbow, comprises two blocks of suspension steel plates, a supporting traverse, two buttresses, a jack, a reaction beam, a ground tackle, a dial gauge and a datum line beam; Said two blocks of suspension steel plates laterally arrange, and have the Chuan Liang hole from top to bottom successively, wear muscle hole and ground tackle hole, and the center in above-mentioned three holes point-blank; Said two buttresses are individually fixed in the both sides of anti-float anchor rod, and the two end supports of said supporting traverse is on buttress, and said jack is supported on supporting traverse; Said jack end face is provided with reaction beam, and said reaction beam inserts the Chuan Liang hole, and said ground tackle passes the ground tackle hole; It is formed assembly by two rectangle blocks; Connect through connecting bolt C between the two, the two ends of said connecting bolt C grow the ground tackle hole, and said ground tackle center has down round table-like bolthole; Said anti-float anchor rod passes bolthole; Its elbow stretches out from wearing the muscle hole, is connected with dial gauge on the said anti-float anchor rod, is provided with horizontal mark post between said datum line beam and the anti-float anchor rod.
Said reaction beam is an i iron, is provided with gusset plate between its edge of a wing and the web, and said gusset plate is connected with the web of reaction beam through connecting bolt B.
Said supporting traverse is by two parallel being oppositely arranged of i iron that model is identical, and the web of two blocks of i iron is through connecting bolt A drawknot.
Said supporting traverse is provided with the waist stiffener near the web of suspension steel plate.
The said beam hole size of wearing is
mm; Top edge is apart from suspension steel plate top edge 100mm, and its lateral edges is 125mm apart from suspension steel plate lateral edges; The said muscle hole size of wearing is
mm; Its lower limb is apart from suspension steel plate lower limb 330mm, and its lateral edges is 125mm apart from suspension steel plate lateral edges; Said ground tackle hole size is
mm; Its lower limb is apart from suspension steel plate lower limb 100mm, and its lateral edges is 50mm apart from suspension steel plate lateral edges.
The said top diameter of wearing bolthole is 180mm, and end diameter is 66mm, and its height equates with the height of ground tackle.
Said buttress is a round steel pipe, and its end face and bottom surface are respectively arranged with upper padding plate and lower bolster.
Be provided with stiffener between said buttress and the lower bolster.
Adopt described raft plate anti-float anchor rod resistance to plucking to detect the box-like instrument of test group and carry out the method that raft plate anti-float anchor rod resistance to plucking detects test, step is following:
Step 2, the classification pressurization loads jack, and every grade of load loaded reads the displacement on the dial gauge immediately.Later on every the survey at a distance from 5min read once, when survey for continuous 4 times the anti-float anchor rod read from dial gauge pull out appreciation all less than 0.01mm the time, think that the displacement under this grade load has reached stable state, can continue to apply and pull out load on the next stage;
In the said step 2, rank value applies 1/8 of maximum load value for intending.
Compared with prior art the present invention has following characteristics and beneficial effect:
Raft plate anti-float anchor rod resistance to plucking according to the invention detects the box-like instrument of test group and laterally arranges through two blocks of suspension steel plates, and has the Chuan Liang hole from top to bottom successively above that, wears muscle hole and ground tackle hole, and the position up and down of reaction frame device is connected to integral body.
Be provided with on the suspension steel plate according to the invention and wear the muscle hole, can the elbow of anti-float anchor rod be passed from wearing in the muscle hole, realized need not to change end shape or taking other measures that the end is handled, can realize the anti-float anchor rod of band elbow is carried out the anti-group of test in scene.
Ground tackle of the present invention adopts two and is put together through bolt, has solved the technical problem that existing monolithic ground tackle can't be enclosed within band elbow anti-float anchor rod, and is simple through the ground tackle that two make-ups form, to not damage of measured piece.
Through upper padding plate and lower bolster being set at buttress end face and bottom surface, increased supporting traverse and contact surface buttress and buttress and ground, prevent in the process of the test owing to equipment is caused test failure by conquassation.
Be provided with gusset plate and said supporting traverse between the edge of a wing through reaction beam and the web and be provided with the waist stiffener, avoided in the process of the test excessively causing that test instrument is impaired to cause test to carry out because reaction beam is stressed near the web of suspension steel plate.
It is simple that raft plate anti-float anchor rod resistance to plucking according to the invention detects the box-like tool construction of test group, and peace is torn open with easy to use, and all members are steel part, can repeatedly have enough to meet the need use, practice thrift cost.
The anti-float anchor rod scene that the present invention can be widely used in end band elbow resists group test.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
Fig. 1 is a front elevation drawing of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is a suspension steel plate detail drawing.
Fig. 4 is that buttress is connected detail drawing with upper padding plate with lower bolster.
Fig. 5 is the ground tackle lateral view.
Fig. 6 is the ground tackle vertical view.
Fig. 7 is the ground tackle upward view.
Reference numeral: 1-anti-float anchor rod, 2-supporting traverse, 3-connecting bolt A, 4-reaction beam, 5-suspension steel plate, 6-jack, 7-buttress, 8-ground tackle, 8.1-bolthole, 8.2-groove, 9-dial gauge, 10-upper padding plate, 11-lower bolster, 12-stiffener, 13-connecting bolt B, 14-gusset plate, 15-connecting bolt C, 16-Chuan Liang hole, 17-wear muscle hole, 18-ground tackle hole, 19-datum line beam, 20-waist stiffener, the horizontal mark post of 21-.
The specific embodiment
To shown in Figure 7, a kind of raft plate anti-float anchor rod resistance to plucking detects the box-like instrument of test group to embodiment referring to Fig. 1, and the end of said anti-float anchor rod 1 has elbow; Comprise two blocks of suspension steel plates 5, supporting traverse 2, two buttresses 7, jack 6, reaction beam 4, ground tackle 8, a dial gauge 9 and a datum line beam 19, said two blocks of suspension steel plates 5 laterally arrange, and have Chuan Liang hole 16 from top to bottom successively, wear muscle hole 17 and ground tackle hole 18; The center in above-mentioned three holes point-blank, said two buttresses 7 are individually fixed in the both sides of anti-float anchor rod 1, the two end supports of said supporting traverse 2 is on buttress 7; Said jack 6 is supported on supporting traverse 2; Said jack 6 end faces are provided with reaction beam 4, and said reaction beam 4 inserts Chuan Liang hole 16, and said ground tackle 8 passes ground tackle hole 18; It is formed assembly by two rectangle blocks; Connect through connecting bolt C15 between the two, the two ends of said connecting bolt C15 grow ground tackle hole 18, and said ground tackle center has down round table-like bolthole 8.1; Said anti-float anchor rod 1 passes bolthole 8.1; Its elbow stretches out from wearing muscle hole 17, is connected with dial gauge 9 on the said anti-float anchor rod 1, is provided with horizontal mark post 21 between said datum line beam 19 and the anti-float anchor rod 1.Said each rectangle block is of a size of
; Said connecting bolt C15 is made up of 8 φ 25 screw rods and every screw rod one end double nut, and said spiro rod length is set to 500mm.Said ground tackle 8 bottom symmetries offer groove 8.2, and the width of said groove 8.2 is 30mm, and its outermost edge is 50mm apart from the ground tackle edge, purpose are set for preventing to hang steel plate 5 slippages.
Said reaction beam 4 is an i iron, is provided with gusset plate 14 between its edge of a wing and the web, and said gusset plate 14 is connected with the web of reaction beam 4 through connecting bolt B13.
Said supporting traverse 2 is by two parallel being oppositely arranged of i iron that model is identical, and the web of two blocks of i iron is through connecting bolt A3 drawknot.
Said supporting traverse 2 is provided with waist stiffener 20 near the web of suspension steel plate 5.Said waist stiffener 20 is a rectangular steel plates,
mm.
Said suspension steel plate 5 is of a size of
; Said Chuan Liang hole 16 sizes are
mm; Top edge is apart from suspension steel plate 5 top edge 100mm, and its lateral edges is 125mm apart from suspension steel plate 5 lateral edges; Said muscle hole 17 sizes of wearing are
mm; Its lower limb is apart from suspension steel plate 5 lower limb 330mm, and its lateral edges is 125mm apart from suspension steel plate lateral edges; Said ground tackle hole 18 sizes are
mm; Its lower limb is apart from suspension steel plate 5 lower limb 100mm, and its lateral edges is 50mm apart from suspension steel plate lateral edges.
The said top diameter of wearing bolthole 8.1 is 180mm, and end diameter is 66mm, and its height equates with the height of ground tackle 8.
Said buttress 7 is a round steel pipe, and the length of said buttress 7 is 1000m, and wall thickness is 22mm, and its end face and bottom surface are respectively arranged with upper padding plate 10 and lower bolster 11.Be provided with stiffener 12 between said buttress 7 and the lower bolster 11.
Said lower bolster 11 is a rectangular steel plates, and its specification is
mm.Said stiffener 12 is the triangle steel plate, its
mm.Said upper padding plate 10 is a rectangular steel plates, and its specification is
mm.
The course of work of the present invention is following: load to jack, jack top reaction beam, reaction beam drive the suspension steel plate and move upward, and the suspension steel plate drives the ground tackle jacking simultaneously, realize anti-float anchor rod is loaded.
Adopt described raft plate anti-float anchor rod resistance to plucking to detect the box-like instrument of test group and carry out the method that raft plate anti-float anchor rod resistance to plucking detects test, step is following:
Step 2, the classification pressurization loads jack 6, and every grade of load loaded reads the displacement on the dial gauge 9 immediately.Later on every the survey at a distance from 5min read once, when survey for continuous 4 times the anti-float anchor rod 1 read from dial gauge 9 pull out appreciation all less than 0.01mm the time, think that the displacement under this grade load has reached stable state, can continue to apply and pull out load on the next stage;
In the said step 2, rank value applies 1/8 of maximum load value for intending.
Claims (10)
1. a raft plate anti-float anchor rod resistance to plucking detects the box-like instrument of test group; The end of said anti-float anchor rod (1) has elbow, comprises two suspension steel plates (5), a supporting traverse (2), two buttresses (7), a jack (6), a reaction beam (4), a ground tackle (8), a dial gauge (9) and datum line beams (19), and it is characterized in that: said two blocks of suspension steel plates (5) laterally arrange; Have Chuan Liang hole (16) from top to bottom successively, wear muscle hole (17) and ground tackle hole (18); The center in above-mentioned three holes point-blank, said two buttresses (7) are individually fixed in the both sides of anti-float anchor rod (1), the two end supports of said supporting traverse (2) is on buttress (7); Said jack (6) is supported on supporting traverse (2); Said jack (6) end face is provided with reaction beam (4), and said reaction beam (4) inserts Chuan Liang hole (16), and said ground tackle (8) passes ground tackle hole (18); It is formed assembly by two rectangle blocks; Connect through connecting bolt C (15) between the two, the two ends of said connecting bolt C (15) grow ground tackle hole (18), and said ground tackle center has down round table-like bolthole (8.1); Said anti-float anchor rod (1) passes bolthole (8.1); Its elbow stretches out from wearing muscle hole (17), is connected with dial gauge (9) on the said anti-float anchor rod (1), is provided with horizontal mark post (21) between said datum line beam (19) and the anti-float anchor rod (1).
2. raft plate anti-float anchor rod resistance to plucking according to claim 1 detects the box-like instrument of test group; It is characterized in that: said reaction beam (4) is an i iron; Be provided with gusset plate (14) between its edge of a wing and the web, said gusset plate (14) is connected with the web of reaction beam (4) through connecting bolt B (13).
3. raft plate anti-float anchor rod resistance to plucking according to claim 1 detects the box-like instrument of test group; It is characterized in that: said supporting traverse (2) is by two parallel being oppositely arranged of i iron that model is identical, and the web of two blocks of i iron is through connecting bolt A (3) drawknot.
4. raft plate anti-float anchor rod resistance to plucking according to claim 1 detects the box-like instrument of test group, it is characterized in that: said supporting traverse (2) is provided with waist stiffener (20) near the web of suspension steel plate (5).
5. raft plate anti-float anchor rod resistance to plucking according to claim 1 detects the box-like instrument of test group; It is characterized in that: said Chuan Liang hole (16) size is
mm; Top edge is apart from suspension steel plate (5) top edge 100mm, and its lateral edges is 125mm apart from suspension steel plate (5) lateral edges; Said muscle hole (17) size of wearing is
mm; Its lower limb is apart from suspension steel plate (5) lower limb 330mm, and its lateral edges is 125mm apart from suspension steel plate lateral edges; Said ground tackle hole (18) size is
mm; Its lower limb is apart from suspension steel plate (5) lower limb 100mm, and its lateral edges is 50mm apart from suspension steel plate lateral edges.
6. raft plate anti-float anchor rod resistance to plucking according to claim 1 detects the box-like instrument of test group, and it is characterized in that: the said top diameter of wearing bolthole (8.1) is 180mm, and end diameter is 66mm, and its height equates with the height of ground tackle (8).
7. raft plate anti-float anchor rod resistance to plucking according to claim 1 detects the box-like instrument of test group, it is characterized in that: said buttress (7) is round steel pipe, and its end face and bottom surface are respectively arranged with upper padding plate (10) and lower bolster (11).
8. raft plate anti-float anchor rod resistance to plucking according to claim 7 detects the box-like instrument of test group, it is characterized in that: be provided with stiffener (12) between said buttress (7) and the lower bolster (11).
9. adopt any described raft plate anti-float anchor rod resistance to plucking of claim 1 to 8 to detect the box-like instrument of test group and carry out the method that raft plate anti-float anchor rod resistance to plucking detects test, it is characterized in that: step is following:
Step 1, smooth place, the assembling resistance to plucking detects the box-like instrument of test group in raft plate anti-float anchor rod to be measured position;
Step 2, the classification pressurization loads jack (6), and every grade of load loaded reads the displacement on the dial gauge (9) immediately;
Later on every the survey at a distance from 5min read once, when survey for continuous 4 times the anti-float anchor rod (1) read from dial gauge (9) pull out appreciation all less than 0.01mm the time, think that the displacement under this grade load has reached stable state, can continue to apply and pull out load on the next stage;
Step 3 when anti-float anchor rod (1) pulls out liter an amount sustainable growth, and did not occur stable sign at 1 hour in the time interval scope, or the uplift force that increases newly can't apply, and can't make uplift force keep stable after perhaps applying, and test stops.
10. raft plate anti-float anchor rod resistance to plucking according to claim 9 detects the method for test, it is characterized in that: in the said step 2, rank value applies 1/8 of maximum load value for intending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210340185.1A CN102839692B (en) | 2012-09-14 | 2012-09-14 | Combined tool for anti-pulling test of raft anti-floating anchor and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210340185.1A CN102839692B (en) | 2012-09-14 | 2012-09-14 | Combined tool for anti-pulling test of raft anti-floating anchor and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102839692A true CN102839692A (en) | 2012-12-26 |
| CN102839692B CN102839692B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210340185.1A Expired - Fee Related CN102839692B (en) | 2012-09-14 | 2012-09-14 | Combined tool for anti-pulling test of raft anti-floating anchor and test method |
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| CN (1) | CN102839692B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674858A (en) * | 2015-02-12 | 2015-06-03 | 广州市市政工程设计研究院 | Foundation pit anti-floating anchor rod pull-out test tool |
| CN108018890A (en) * | 2018-01-23 | 2018-05-11 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | A kind of anchor pole pullout tests system |
| WO2018098962A1 (en) * | 2016-12-02 | 2018-06-07 | 广东中科华大工程技术检测有限公司 | Anchor rod pulling resistance testing device |
| CN110542359A (en) * | 2019-09-05 | 2019-12-06 | 华侨大学 | anti-floating anchor rod drawing test displacement measurement auxiliary device |
| CN112922047A (en) * | 2021-01-28 | 2021-06-08 | 陕西建工第六建设集团有限公司 | Drawing test device for single-anchor fiber rib anti-floating anchor rod system |
| CN113818437A (en) * | 2021-11-03 | 2021-12-21 | 中建八局第二建设有限公司 | Anti-floating anchor rod tensioning equipment |
| CN117388082A (en) * | 2023-12-12 | 2024-01-12 | 西南交通大学 | Forward-pulling type tunnel anchor indoor test model and test method |
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| CN202090370U (en) * | 2011-05-18 | 2011-12-28 | 马鞍山十七冶工程科技有限责任公司 | Pull-out test device for small-diameter anchor pile |
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| JP2002047677A (en) * | 2000-08-04 | 2002-02-15 | Nippon Steel Corp | Load carrying test method using double vane type pile and its device |
| JP2006045860A (en) * | 2004-08-03 | 2006-02-16 | Raito Kogyo Co Ltd | Lift-off testing device of anchor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674858A (en) * | 2015-02-12 | 2015-06-03 | 广州市市政工程设计研究院 | Foundation pit anti-floating anchor rod pull-out test tool |
| WO2018098962A1 (en) * | 2016-12-02 | 2018-06-07 | 广东中科华大工程技术检测有限公司 | Anchor rod pulling resistance testing device |
| CN108018890A (en) * | 2018-01-23 | 2018-05-11 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | A kind of anchor pole pullout tests system |
| CN110542359A (en) * | 2019-09-05 | 2019-12-06 | 华侨大学 | anti-floating anchor rod drawing test displacement measurement auxiliary device |
| CN112922047A (en) * | 2021-01-28 | 2021-06-08 | 陕西建工第六建设集团有限公司 | Drawing test device for single-anchor fiber rib anti-floating anchor rod system |
| CN112922047B (en) * | 2021-01-28 | 2022-05-27 | 陕西建工第六建设集团有限公司 | Drawing test method for single-anchor fiber rib anti-floating anchor rod system |
| CN113818437A (en) * | 2021-11-03 | 2021-12-21 | 中建八局第二建设有限公司 | Anti-floating anchor rod tensioning equipment |
| CN117388082A (en) * | 2023-12-12 | 2024-01-12 | 西南交通大学 | Forward-pulling type tunnel anchor indoor test model and test method |
| CN117388082B (en) * | 2023-12-12 | 2024-03-05 | 西南交通大学 | Forward-pulling type tunnel anchor indoor test model and test method |
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| CN102839692B (en) | 2014-08-06 |
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