CN101907545A - Cross plate shear instrument and its penetration method - Google Patents
Cross plate shear instrument and its penetration method Download PDFInfo
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- CN101907545A CN101907545A CN 201010224207 CN201010224207A CN101907545A CN 101907545 A CN101907545 A CN 101907545A CN 201010224207 CN201010224207 CN 201010224207 CN 201010224207 A CN201010224207 A CN 201010224207A CN 101907545 A CN101907545 A CN 101907545A
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- oil cylinder
- probe rod
- plate shearing
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Abstract
本发明公开了一种十字板剪切仪，包括地梁、位于地梁上方的横梁及竖直方向上贯穿所述横梁与地梁的探杆及与所述横梁连接的立轴，所述探杆的末端设有贯入土层的十字板头，所述十字板剪切仪进一步设有安装于所述横梁上并可供所述探杆穿过的涡轮箱及位于所述地梁与横梁之间的油缸，所述立轴随所述油缸中油压的变化可在竖直方向内运动。本发明所述的十字板剪切仪借助油压压力大、贯入能力强的特性，可将十字板头压入到35-40m深度，很好的解决了现有技术中十字板头贯入深度不足的缺陷。
The invention discloses a cross-plate shearing instrument, which comprises a ground beam, a cross beam located above the ground beam, a probe rod vertically penetrating the cross beam and the ground beam, and a vertical shaft connected with the cross beam, the probe rod The end of the cross-plate shearing instrument is provided with a cross-plate head that penetrates into the soil layer, and the cross-plate shearing instrument is further provided with a turbine box installed on the beam and allowing the probe rod to pass through, and is located between the ground beam and the beam. The oil cylinder, the vertical shaft can move in the vertical direction with the change of the oil pressure in the oil cylinder. The cross-plate shearing instrument of the present invention can press the cross-plate head to a depth of 35-40m by virtue of the characteristics of high oil pressure and strong penetration ability, which solves the problem of cross-plate head penetration in the prior art. Lack of depth.
Description
Technical field
The present invention relates to a kind of four-bladed vane boxshear apparatus and injection method thereof, relate in particular to a kind of four-bladed vane boxshear apparatus and injection method thereof that increases the soil layer penetrating power by hydraulic pressure.
Background technology
Vane shear test is a kind of in-situ test of measuring soft clay soil shear strength with four-bladed vane.In cross wrench injection weak soil, rotate with even velocity, by certain measuring system, required moment when recording it and rotating is destroyed until the soil body, thereby is calculated the shearing strength of being unearthed.
Present common four-bladed vane boxshear apparatus, owing to influenced by penetration capability, in soft cohesive soil, vane shear test can only be carried out in the degree of depth is the shallow soil layer of 25m, and in engineerings such as deep basal pit and high filling subgrade, often more than 35m, the parameter that existing vane shear test provides can not satisfy the needs of engineering design to the effect of project degree of depth.
In view of the above problems, be necessary to provide a kind of new four-bladed vane boxshear apparatus and injection method thereof, improve the MTD of four-bladed vane, make it better to be engineering design, construction service.
Summary of the invention
Technical matters solved by the invention is to provide a kind of four-bladed vane boxshear apparatus, and it has stronger penetration capability.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of four-bladed vane boxshear apparatus, comprise grade beam, be positioned at and run through described crossbeam on the crossbeam of grade beam top and the vertical direction and reach the vertical shaft that is connected with described crossbeam with the feeler lever of grade beam, the end of described feeler lever is provided with the cross wrench of injection soil layer, described four-bladed vane boxshear apparatus further is provided with and is installed on the oil cylinder that also can reach for the turbine box that described feeler lever passes on the described crossbeam between described grade beam and crossbeam, and described vertical shaft can move in vertical direction with the variation of oil pressure in the described oil cylinder.
As the further improvement of the technical program, described crossbeam two ends are connected with described oil cylinder, and described vertical shaft is positioned at the both sides of described feeler lever and links to each other by connecting link.
As the further improvement of the technical program, described feeler lever from top to bottom runs through described turbine box, crossbeam, connecting link and grade beam successively.
As the further improvement of the technical program, described connecting link is provided with the slips that can hold described feeler lever.
As the further improvement of the technical program, described turbine box top is provided with the pad bolt that can hold described feeler lever tightly.
As the further improvement of the technical program, described crossbeam is and is horizontally disposed with, and the two ends of this crossbeam are set up in the top of described oil cylinder and are connected with described oil cylinder by nut, and this crossbeam can in the vertical direction moves up and down with the variation of oil pressure in the oil cylinder.
For solving the problems of the technologies described above, the present invention also can adopt following technical scheme: a kind of injection method of four-bladed vane boxshear apparatus, it comprises the steps:
First, one four-bladed vane boxshear apparatus is provided, this four-bladed vane boxshear apparatus comprise grade beam, the crossbeam above the grade beam, be located on the crossbeam and be provided with the turbine box of a pad bolt and rocking handle, vertically place and be provided with feeler lever, the vertical shaft that is connected with described crossbeam of cross wrench and be located at crossbeam and grade beam between oil cylinder;
The second, the four-bladed vane boxshear apparatus is placed on the testing site in place, more described feeler lever is passed the center of described turbine box, make described cross wrench place the face of land;
The 3rd, start the interior hydraulic pressure of oil cylinder to promote described vertical shaft;
The 4th, block described feeler lever with a slips in the vertical direction;
The 5th, feeler lever is pressed to predetermined depth;
The 6th, unclamp described slips;
The 7th, tighten the pad bolt on the described turbine box, to hold described feeler lever tightly;
The 8th, shake the rocking handle of described turbine box, drive described feeler lever and four-bladed vane and rotate, carry out this depth point shear test;
The 9th, the test of testing site is finished, and unclamps described pad bolt, and feeler lever and turbine box are thrown off;
The tenth, start the interior hydraulic pressure of oil cylinder to promote described vertical shaft;
The 11, repeat aforementioned the 4th to the tenth step, all finish until the test in hole.
Further improvement as the technical program, described vertical shaft is longitudinal and is located at the inboard of described oil cylinder, this vertical shaft vertically is provided with and is parallel to each other with the oil cylinder of its both sides, the top of described vertical shaft is fixed by nut and described crossbeam, and the bottom of vertical shaft is connected and fixed by a nut and a horizontal tie-beam.
As the further improvement of the technical program, described feeler lever from top to bottom runs through described turbine box, crossbeam, connecting link and grade beam successively.
As the further improvement of the technical program, described slips is located at the bottom surface of described tie-beam, and described oil cylinder is being provided with oil circuit near described grade beam place.
Compared to prior art, the beneficial effect of four-bladed vane boxshear apparatus of the present invention and injection method thereof is: can utilize pressing down of the interior oil pressure of oil cylinder, make in the cross wrench energy injection soil layer,, strengthened the penetration capability of cross wrench because the pressure of the oil pressure of four-bladed vane boxshear apparatus is big.
Description of drawings
Fig. 1 is the diagrammatic cross-section of four-bladed vane boxshear apparatus of the present invention.
Embodiment
As shown in Figure 1, the invention provides a kind of four-bladed vane boxshear apparatus 100, it comprise grade beam 10, the crossbeam above the grade beam 10 20, be set up between described grade beam 10 and the crossbeam 20 and support described crossbeam 20 oil cylinder 30, be installed on the feeler lever 60 that runs through described crossbeam 20 and grade beam 10 on turbine box 40 on the described crossbeam 20 and vertical shaft 50, the vertical direction.
Described grade beam 10 is horizontal positioned and is positioned at the bottom of described four-bladed vane boxshear apparatus 100, in order to support described oil cylinder 30 and crossbeam 20, the bottom surface of this grade beam 10 is parallel with ground surface (not shown), make grade beam 10 can steadily fit on the ground surface (not shown) with this, also can improve the precision of feeler lever 60.
Described crossbeam 20 is positioned at the top of described grade beam 10 and is and is horizontally disposed with, and the two ends of this crossbeam 20 are set up in the top of described oil cylinder 30 and are connected with described oil cylinder 30 by nut, can in the vertical direction moves up and down with the variation of oil pressure in the oil cylinder 30.
Described oil cylinder 30 vertically is provided with, its top is connected with grade beam 10 with described crossbeam 20 respectively with the bottom, the bottom of described oil cylinder 30 is provided with the oil circuit 31 of oil turnover for liquid, the lower surface of the described crossbeam 20 of described oil cylinder 30 apical support, effect is lifted, fallen to described oil cylinder 30 by the variation of internal oil pressure to described crossbeam 20 generations.
Described turbine box 40 is fixing by nut and described crossbeam 20, and is provided with the pad bolt 41 of being located at turbine box 40 end faces and is positioned at the rocking handle 42 of turbine box 40 sides, described pad bolt 41 scalable elasticities, realize to feeler lever 60 holding tightly or lax.Described turbine box 40 links to each other with feeler lever 60 and can drive feeler lever 60 rotations.
Described vertical shaft 50 is longitudinal and is located at the inboard of described oil cylinder 30, this vertical shaft 50 vertically is provided with and is parallel to each other with the oil cylinder 30 of its both sides, the top of described vertical shaft 50 is fixing by nut and described crossbeam 20, the bottom of vertical shaft 50 is connected and fixed by a nut and a horizontal tie-beam 51, but the bottom surface of this tie-beam 51 is provided with the slips 52 that an in the vertical direction holds described feeler lever 60.
Described feeler lever 60 vertically is provided with from top to bottom, and run through described turbine box 40, crossbeam 20, tie-beam 51 and grade beam 10 successively, but the bottom of this feeler lever 60 protrudes out described grade beam 10 downwards and is provided with the cross wrench 61 of injection soil layer, and this cross wrench 61 is rotatable under the effect of described turbine box 40.
Below introduce and utilize four-bladed vane boxshear apparatus 100 of the present invention to carry out the injection method of soil layer injection, this injection method comprises the steps:
1), testing equipment is in place, described four-bladed vane boxshear apparatus is placed on the face of land to be tested;
2), feeler lever 60 is passed turbine box 40, the cross wrench 61 of feeler lever 60 bottoms is placed on the face of land;
3), start hydraulic pressure, promote the vertical shaft 50 of four-bladed vane boxshear apparatus by the hydraulic pressure in the oil cylinder 30;
4), feeler lever 60 is blocked with slips 52;
5), press down feeler lever 60 to predetermined depth;
6), unclamp slips 52;
7), tighten the pad bolt 41 on turbine box 40 tops, feeler lever 60 is held tightly;
8), shake turbine box rocking handle 42, drive feeler lever 60 and rotate, carry out vane shear test;
9), testing site test finishes, and unclamps pad bolt 41, and feeler lever 60 and turbine box 40 are thrown off;
10), start hydraulic pressure, lifting vertical shaft 50;
11), repeat above-mentioned 4)～10) step, test is all finished until this hole.
Four-bladed vane boxshear apparatus of the present invention is by installing a turbine box 40 thereon, and utilize pressing down of oil pressure in the oil cylinder 30, make described cross wrench 61 can rotate and the injection soil layer in, because the pressure of the oil pressure of four-bladed vane boxshear apparatus is big, penetration capability is strong, cross wrench 61 can be pressed into 35～40m degree of depth, well solve cross wrench depth of penetration defect of insufficient in the prior art.In addition, by the rotation of turbine box 40 drive cross wrench 61, also can provide the test data of all soil layer original positions in the described depth range.
The above only is a most preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Any those of ordinary skill in the art are not breaking away under the technical solution of the present invention scope situation, utilize the method content of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, all belong to the scope of claims protection.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224207 CN101907545A (en) | 2010-07-12 | 2010-07-12 | Cross plate shear instrument and its penetration method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224207 CN101907545A (en) | 2010-07-12 | 2010-07-12 | Cross plate shear instrument and its penetration method |
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| CN101907545A true CN101907545A (en) | 2010-12-08 |
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| CN 201010224207 Pending CN101907545A (en) | 2010-07-12 | 2010-07-12 | Cross plate shear instrument and its penetration method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445121A (en) * | 2015-01-06 | 2016-03-30 | 北京市道路工程质量监督站 | Field detection equipment for shear resistance strength of asphalt mixture |
| CN105823691A (en) * | 2016-03-21 | 2016-08-03 | 中南大学 | Undrained shear strength indoor combined measuring instrument and application method thereof |
| CN107328650A (en) * | 2017-08-23 | 2017-11-07 | 上海山南勘测设计有限公司 | A kind of test device for vane shear test |
| CN107727483A (en) * | 2017-10-20 | 2018-02-23 | 南京大学（苏州）高新技术研究院 | A kind of injection shear and method for being used for ground in-situ test based on fiber grating |
| CN109856001A (en) * | 2018-12-28 | 2019-06-07 | 中南大学 | A kind of rosette-Soil Interface shearing mechanical behavior synthesis measuring device and application method |
Citations (4)
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| CN2176382Y (en) * | 1993-12-11 | 1994-09-07 | 如皋市工程勘测机械厂 | Static seratum exploring machine |
| CN2263340Y (en) * | 1996-03-28 | 1997-09-24 | 铁道部第三勘测设计院 | Static measuring equipment |
| CN201417239Y (en) * | 2009-04-10 | 2010-03-03 | 中交第三航务工程勘察设计院有限公司 | Shearing test device of cross plate |
| CN201749064U (en) * | 2010-07-12 | 2011-02-16 | 上海市城市建设设计研究院 | Cross Plate Shearer |
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2010
- 2010-07-12 CN CN 201010224207 patent/CN101907545A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176382Y (en) * | 1993-12-11 | 1994-09-07 | 如皋市工程勘测机械厂 | Static seratum exploring machine |
| CN2263340Y (en) * | 1996-03-28 | 1997-09-24 | 铁道部第三勘测设计院 | Static measuring equipment |
| CN201417239Y (en) * | 2009-04-10 | 2010-03-03 | 中交第三航务工程勘察设计院有限公司 | Shearing test device of cross plate |
| CN201749064U (en) * | 2010-07-12 | 2011-02-16 | 上海市城市建设设计研究院 | Cross Plate Shearer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445121A (en) * | 2015-01-06 | 2016-03-30 | 北京市道路工程质量监督站 | Field detection equipment for shear resistance strength of asphalt mixture |
| CN105823691A (en) * | 2016-03-21 | 2016-08-03 | 中南大学 | Undrained shear strength indoor combined measuring instrument and application method thereof |
| CN105823691B (en) * | 2016-03-21 | 2018-06-29 | 中南大学 | Simultaneous determination instrument and its application method in a kind of undrained shear strength room |
| CN107328650A (en) * | 2017-08-23 | 2017-11-07 | 上海山南勘测设计有限公司 | A kind of test device for vane shear test |
| CN107727483A (en) * | 2017-10-20 | 2018-02-23 | 南京大学（苏州）高新技术研究院 | A kind of injection shear and method for being used for ground in-situ test based on fiber grating |
| CN107727483B (en) * | 2017-10-20 | 2023-12-22 | 南京大学（苏州）高新技术研究院 | Penetration shearing device and method for foundation in-situ test based on fiber bragg grating |
| CN109856001A (en) * | 2018-12-28 | 2019-06-07 | 中南大学 | A kind of rosette-Soil Interface shearing mechanical behavior synthesis measuring device and application method |
| CN109856001B (en) * | 2018-12-28 | 2021-11-26 | 中南大学 | Comprehensive determination device for shearing mechanical behavior of metal disc-soil interface and use method |
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Application publication date: 20101208 |