CN117804943A - Cement soil penetration test method and detection device thereof - Google Patents
Cement soil penetration test method and detection device thereof Download PDFInfo
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- CN117804943A CN117804943A CN202410224180.5A CN202410224180A CN117804943A CN 117804943 A CN117804943 A CN 117804943A CN 202410224180 A CN202410224180 A CN 202410224180A CN 117804943 A CN117804943 A CN 117804943A
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- 239000002689 soil Substances 0.000 title claims abstract description 81
- 239000004568 cement Substances 0.000 title claims abstract description 77
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000035515 penetration Effects 0.000 title claims abstract description 13
- 238000010998 test method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 93
- 230000000903 blocking effect Effects 0.000 claims abstract description 78
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 210000000078 claw Anatomy 0.000 claims description 59
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 23
- 239000004927 clay Substances 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 238000001764 infiltration Methods 0.000 claims description 9
- 230000008595 infiltration Effects 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 230000003203 everyday effect Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000003204 osmotic effect Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the technical field of cement soil tests, and particularly provides a cement soil penetration test method and a detection device thereof. The cement soil detection device comprises a shell component, a driving component, a reinforcing strip, a grabbing component and a hammering component. The invention realizes the automatic accurate control of the osmotic deformation test, ensures the test accuracy by utilizing double blocking, prevents errors in the test process, thereby ensuring the accurate control and adjustment of test parameters and ensuring the accurate and effective test.
Description
Technical Field
The invention relates to the technical field of cement soil tests, and particularly provides a cement soil penetration test method and a detection device thereof.
Background
The silt powder clay powder-sandwiched fine sand is a geological condition commonly existing in inland lake areas, and because the silt powder clay powder-sandwiched fine sand has the characteristics of low shear strength and low foundation deformability, and mainly has engineering geological problems such as osmotic deformation problems, uneven settlement problems, anti-slip stability problems, anti-scour stability problems and the like, the silt powder clay powder-sandwiched fine sand cannot meet the structural bearing capacity requirement, the silt powder clay powder-sandwiched fine sand needs to be improved and reinforced before construction operation, the bearing capacity after reinforcement is subjected to experimental detection, and the bearing capacity and the improvement effect of the geological condition after the improvement are determined after the detection. And today there is a lack of inspection methods and specialized detection equipment for this geological condition.
Disclosure of Invention
Based on the above, it is necessary to provide a soil cement penetration test method and a detection device thereof, so as to solve at least one technical problem in the background art.
The utility model provides a soil cement detection device, including housing assembly, actuating assembly, increase the solid strip, snatch subassembly and drive hammer subassembly, housing assembly includes test shell and top cap, test shell inside cavity is formed with the cavity, test shell one side middle part is concave to be equipped with vertical spout, vertical spout length direction is the same with test shell direction of height, and vertical spout and cavity intercommunication, vertical spout bottom surface both sides all are provided with detection sensor, top cap bottom surface fixed mounting is in test shell top surface, the inside cavity of top cap is formed with the drive installation cavity, cavity top surface is adjacent vertical spout one end concave to be equipped with first mounting groove, first mounting groove and vertical spout intercommunication, actuating assembly installs in drive installation cavity and cavity, it is in first mounting groove to increase the inboard top fixed mounting of solid strip, snatch the subassembly and install in actuating assembly, drive hammer subassembly top card is located and snatch the subassembly bottom, and drive hammer subassembly slidable mounting is in vertical spout.
As a further improvement of the invention, a first rotating hole is concavely arranged in the middle of the top surface of the test shell, a first mounting hole is concavely arranged on one side of the top surface of the test shell far away from the vertical sliding groove, the first rotating hole and the first mounting hole are both communicated with the hollow cavity, two second mounting holes are concavely arranged on the bottom surface and the top surface of the hollow cavity, the two second mounting holes are oppositely arranged at two ends of the first mounting hole, the two second mounting holes are both positioned between the first mounting hole and the first rotating hole, the driving mounting cavity is communicated with the first rotating hole and the first mounting hole, a first communicating groove is concavely arranged on the middle of one end of the bottom surface of the top cover close to the vertical sliding groove, and the first communicating groove is communicated with the first mounting groove.
As a further improvement of the invention, the driving assembly comprises a driving motor, a screw rod, two sliding rods and a nut seat, wherein the middle part of the driving motor is fixedly arranged in a first mounting hole, the bottom end of the screw rod is rotatably arranged in the middle part of the bottom surface of a hollow cavity, the top end of the screw rod is rotatably arranged in a first rotating hole, the top end of the screw rod is provided with a rotating wheel which is positioned in the driving mounting cavity, a transmission belt is sleeved between the rotating wheel and an output shaft of the driving motor so as to realize transmission connection, two ends of the two sliding rods are respectively arranged in four second mounting holes, the two sliding rods are oppositely arranged, the top surface of the nut seat is concavely provided with a threaded hole, one side of the nut seat far away from the vertical sliding groove is convexly provided with a sliding block, two ends of the top surface of the sliding block are concavely provided with sliding holes, the nut seat is arranged in the screw rod and the two sliding rods through the threaded hole, the middle part of one side of the nut seat close to the vertical sliding groove is convexly provided with a first mounting block, and the top surface of the first mounting block is concavely provided with a second communication groove, and the second communication groove is oppositely arranged with the first mounting groove; a plurality of reinforcing grooves are concavely formed in one side, adjacent to the vertical sliding groove, of the reinforcing strip at equal intervals along the height direction, and the middle part of the reinforcing strip is located in the second communicating groove.
As a further improvement of the invention, the grabbing component comprises a grabbing mounting plate, a control element, grabbing claw bodies, a triggering element and a claw element, wherein connecting mounting bars are respectively and convexly arranged at two ends of one side of the grabbing mounting plate far away from the vertical sliding groove, the top surfaces of the two connecting mounting bars are respectively and fixedly arranged at two ends of the top surface of the first mounting block, a round table is convexly arranged at one side of the top surface of the grabbing mounting plate far away from the vertical sliding groove, an elastic rod is respectively arranged at two ends of the top surface of the round table, an arc-shaped pushing surface is concavely arranged at one side of the top surface of the elastic rod adjacent to the vertical sliding groove, a first sliding hole is concavely arranged at the top surface of the round table, the control element is arranged at the top surface of the grabbing mounting plate, the top surface of the grabbing claw bodies is fixedly arranged at the bottom surface of the grabbing mounting plate, a grabbing cavity is formed in the grabbing claw body, the grabbing cavity is communicated with the first sliding hole, a side of the grabbing claw body is concavely arranged at the top of one side of the grabbing claw body far away from the vertical sliding groove, a second sliding groove is concavely arranged at the bottom of the grabbing claw body, the second sliding groove is communicated with the first sliding groove, the grabbing claw body is convexly arranged at the bottom of one side far away from the vertical sliding groove, the triggering element is arranged in the triggering element, and the claw element is arranged in the grabbing cavity.
As a further improvement of the invention, the control element comprises a lifting vertical plate, a control mounting plate, a double-control driver, a trigger control column, a pressing plate and a control column, wherein the bottom surface of the lifting vertical plate is arranged on one side of the top surface of the grabbing mounting plate far away from the vertical sliding groove, one side of the bottom surface of the control mounting plate far away from the vertical sliding groove is arranged on the top surface of the lifting vertical plate, both ends of the top surface of the control mounting plate are concavely provided with pushing holes, the middle part of one side of the lifting vertical plate close to the vertical sliding groove is convexly provided with a control rotating table, the middle part of the control mounting plate is concavely provided with a second sliding hole, the double-control driver is fixedly arranged on the top surface of the control mounting plate, the double-control driver is provided with two output shafts, the two output shafts of the double-control driver respectively penetrate through the two pushing holes and enter between the control mounting plate and the grabbing mounting plate, the top surface of the double-control driver is concavely provided with a third sliding hole, and the third sliding hole is oppositely arranged with the second sliding hole, the middle part of the triggering control column is slidably arranged in the third sliding hole and the second sliding hole, the top of the outer wall of the triggering control column is convexly provided with a control disc, the bottom surface of the control disc is provided with a conducting strip, a preset groove is concavely arranged at the middle part of one side of the pressing plate, which is far away from the vertical sliding groove, two ends of the preset groove are rotatably arranged in the control rotating table through torsion springs, control round blocks are respectively convexly arranged at the two ends of the middle part of the bottom surface of the pressing plate, the middle part of the control column is slidably arranged in the first sliding hole, the top of the outer wall of the control column is convexly provided with a limiting ring, one end of the bottom surface of each of the two control round blocks is respectively propped against two pushing surfaces, the other ends of the bottom surfaces of the two control round blocks are respectively propped against two ends of the top surface of the limiting ring, the top end of the triggering control column is fixedly connected with the top surface of the control column through the preset groove, two control sliding blocks are convexly arranged at two sides of the bottom surface of the control column respectively slidably arranged in the two first sliding grooves, and one side of each of the two control sliding blocks is concavely provided with a fourth mounting hole.
As a further improvement of the invention, the trigger element comprises a trigger vertical plate, a trigger mounting plate, a trigger cross rod and a trigger vertical rod, wherein the top of the trigger vertical plate is fixedly mounted in the trigger mounting block, one side of the trigger mounting plate is fixedly mounted at the bottom of one side of the trigger vertical plate far away from the vertical chute, a fifth mounting hole is concavely formed in the top surface of the trigger mounting plate, the middle part of the trigger is mounted in the fifth mounting hole, a fourth sliding hole is concavely formed in the top surface of the trigger, the middle part of the trigger vertical rod is slidably mounted in the fourth sliding hole, and the top of the trigger vertical rod is fixedly connected with one side of the trigger cross rod far away from the vertical chute.
As a further improvement of the invention, the claw element comprises a cylindrical pin, a claw pin, two connecting rods and two lifting claws, wherein two ends of the cylindrical pin are respectively arranged at the bottoms of two sides of the grabbing cavity, the middle part of the claw pin and one end adjacent to the vertical sliding chute are respectively arranged in two fourth mounting holes, the other end of the claw pin is penetrated through and connected with the triggering cross rod through a second sliding groove, the tops of the two connecting rods are respectively rotatably arranged at one end, adjacent to the vertical sliding chute, of the claw pin, the tops of the two lifting claws are respectively rotatably arranged at the bottoms of the two connecting rods, and the middle parts of the two lifting claws are respectively rotatably arranged in the cylindrical pin.
As a further improvement of the invention, the hammer assembly comprises a hammer body and a reinforcing element, wherein the middle part of the top surface of the hammer body is provided with a hammer cap, the middle part of the outer wall of the hammer cap is concavely provided with a hooking groove, the middle part of the bottom surface of the hammer body is provided with a striking pin, the middle part of the side wall of the hammer body is concavely provided with a sixth sliding hole, the bottom of the inner side of the hammer body is provided with a clamping seat, the top surface of the clamping seat is concavely provided with a bolt blocking sliding groove, the top of the inner side of the hammer body is concavely provided with a clamping rotating groove, the bottom of the hammer body is concavely provided with a drag hook rotating groove, and the drag hook rotating groove is positioned between the sixth sliding hole and the clamping seat.
As a further improvement of the invention, the reinforcing element comprises a blocking hook, a pull rod, a blocking draw hook and a blocking bolt, wherein a rotating seat is convexly arranged at the top of one side of the blocking hook adjacent to the vertical sliding groove, the rotating seat is rotatably arranged in the blocking rotating groove, a pull rod groove is concavely arranged at the middle of one side of the blocking hook adjacent to the vertical sliding groove, one end of the pull rod penetrates through the sixth sliding hole to be rotatably arranged in the pull rod groove, the other end of the pull rod is provided with a pull ring, the diameter of the pull rod is smaller than that of the sixth sliding hole, one end of the blocking draw hook is rotatably arranged in the draw hook rotating groove, a blocking bolt mounting hole is concavely arranged at the middle of the blocking draw hook, the top of the blocking bolt is arranged in the blocking bolt mounting hole, the bottom of the blocking bolt is slidably arranged in the blocking bolt sliding groove, a spring is arranged between the blocking bolt and the blocking bolt sliding groove, a clamping hook is arranged at one side of the top surface of the blocking draw hook far away from the vertical sliding groove, a butt joint blocking groove is concavely arranged at one side of the bottom of the blocking hook adjacent to the vertical sliding groove, the clamping hook is blocked in the blocking groove, the blocking hook is blocked and arranged in the blocking groove, the blocking hook is blocked and the bottom of the blocking hook is propped against the top surface of the blocking hook.
The utility model provides a soil cement penetration test method is applied to above-mentioned soil cement detection device, the test method includes:
step S1: selecting a section with uniform thickness of the silt silty clay powder-sandwiched fine sand layer, detecting the thickness of the silt silty clay powder-sandwiched fine sand layer, calculating test depth, selecting three areas as test areas in the section, and cleaning and flattening the surfaces of the test areas;
step S2: P.O42.5 cement with 5 percent, 7 percent and 10 percent of the natural weight of the doped soil body is respectively selected as a curing agent in the three test areas, and the dosage of the curing agent to be added is calculated according to the natural weight of the soil body and the test depth;
step S3: tilting the curing agent at half the dose calculated in step S2 in the test zone;
step S4: uniformly stirring a silt powdery clay powder sand inclusion layer and a curing agent in the test depth range of a test area by using a digger, and stirring up and down for 3 times to form primary mixed cement soil;
step S5: flattening the surface of the primary mixed cement soil by using a digging machine;
step S6: tilting the curing agent in the step S2 in the test area, wherein the curing agent is half of the dosage;
step S7: mixing cement soil and a curing agent in a test depth range of a test area by using a digging machine, stirring uniformly, stirring up and down for 3 times to form cured cement soil, and flattening the surface of the cured cement soil;
Step S8: high-pressure water injection infiltration is carried out on the solidified cement soil inspection area by using an infiltration instrument every day within 28 days after the solidified cement soil is formed, and then the infiltration deformation test is carried out on the solidified cement soil of the inspection area in the three test areas by using a cement soil detection device;
step S9: and calculating the deformation force of the solidified cement soil according to the penetration deformation test, and comprehensively mapping the deformation force along with the age according to the deformation force tested every day within 28 days after the solidified cement soil is formed.
The beneficial effects of the invention are as follows:
1. the method provides an efficient, simple and convenient test method for testing the silt powder clay powder sand inclusion layer, ensures uniform mixing, improves curing effect and construction efficiency by pouring and turning the curing agent in stages, enables the curing agent to be fully contacted with soil body, realizes uniform curing, and forms cured cement soil, so that the change rule of the cured cement soil in different ages is comprehensively known, the performance of the cured cement soil is comprehensively evaluated, and scientific basis is provided for subsequent use.
2. According to the invention, the shell assembly, the driving assembly, the reinforcing strip, the grabbing assembly and the hammer assembly are utilized to realize automatic accurate control on the osmotic deformation test, the dual blocking is utilized to ensure the test accuracy, and the error in the test process is prevented, so that the test parameters are accurately controlled and adjusted, and the accuracy and the effectiveness of the test are ensured.
3. The invention has the advantages of convenient and accurate operation, high repeatability, reduced manual operation, improved inspection efficiency, capability of acquiring impact force feedback monitoring, and monitoring and analyzing the impact force, thereby evaluating the bearing performance and permeation resistance deformation capability of the solidified cement soil and providing important references for engineering design and use.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is an internal schematic diagram of an embodiment of the present invention.
Fig. 3 is a perspective view of a driving assembly, reinforcing bars, a grabbing assembly, and a hammering assembly according to an embodiment of the present invention.
Fig. 4 is a schematic perspective view of a driving assembly and a grabbing assembly according to an embodiment of the invention.
Fig. 5 is an internal schematic view of the driving component and the grabbing component according to an embodiment of the invention.
Fig. 6 is an enlarged view at a in fig. 3.
Fig. 7 is an internal schematic view of the hammer assembly in an embodiment of the present invention.
In the figure:
20. a housing assembly; 21. a test housing; 211. a first rotation hole; 212. a first mounting hole; 22. a top cover; 221. driving the mounting cavity; 222. a first communication groove; 23. a hollow cavity; 231. a first mounting groove; 232. a second mounting hole; 24. a vertical chute; 241. a detection sensor; 30. a drive assembly; 31. a driving motor; 32. a screw; 33. a slide bar; 34. a nut seat; 341. a threaded hole; 342. a sliding block; 343. a slide hole; 344. a first mounting block; 345. a second communication groove; 35. a rotating wheel; 36. a transmission belt; 40. reinforcing bars; 41. a reinforcing groove; 50. a grabbing component; 51. grabbing the mounting plate; 511. connecting the mounting strip; 512. round bench; 513. a first sliding hole; 514. an elastic rod; 515. pushing the surface; 52. a control element; 521. lifting the vertical plate; 522. a control mounting plate; 523. a dual control driver; 524. triggering a control column; 525. a pressing plate; 526. a control column; 527. controlling a rotating table; 528. a second sliding hole; 529. a third sliding hole; 520. a control panel; 561. presetting a groove; 562. controlling the round blocks; 563. a limiting ring; 564. a control slider; 53. a grabbing claw body; 531. grabbing the cavity; 532. a first sliding groove; 533. a second sliding groove; 534. triggering the mounting block; 54. a trigger element; 541. triggering a vertical plate; 542. triggering the mounting plate; 543. a trigger; 544. triggering the cross bar; 545. triggering a vertical rod; 546. a fourth sliding hole; 55. a finger element; 551. a cylindrical pin; 552. a claw pin; 553. a connecting rod; 554. lifting the hook claw; 60. a hammer assembly; 61. a hammer body of a hammer; 611. a hammer cap; 612. a hooking groove; 613. a firing pin; 614. a sixth sliding hole; 615. a clamping seat; 616. a blocking rotating groove; 617. a drag hook rotating groove; 618. a bolt-blocking chute; 62. a reinforcing element; 621. a blocking hook; 622. a pull rod; 623. a draw hook is clamped; 624. blocking the bolt; 625. a rotating seat; 626. a pull rod groove; 627. a pull ring; 628. a clamping hook; 629. a slot is arranged in the clamping way.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present invention, it should be noted that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 7, a soil cement detection device includes a housing assembly 20, a driving assembly 30, a reinforcing bar 40, a grabbing assembly 50 and a hammer assembly 60, wherein the housing assembly 20 includes a test housing 21 and a top cover 22, a hollow cavity 23 is formed in the test housing 21, a vertical chute 24 is concavely formed in a middle portion of one side of the test housing 21, a length direction of the vertical chute 24 is the same as a height direction of the test housing 21, the vertical chute 24 is communicated with the hollow cavity 23, detection sensors 241 are respectively disposed on two sides of a bottom surface of the vertical chute 24, the bottom surface of the top cover 22 is fixedly mounted on a top surface of the test housing 21, a driving installation cavity 221 is formed in the hollow cavity 22, a first installation groove 231 is concavely formed at one end of the top surface of the hollow cavity 23 adjacent to the vertical chute 24, the first installation groove 231 is communicated with the vertical chute 24, the driving assembly 30 is mounted in the driving installation cavity 221 and the hollow cavity 23, the top of the reinforcing bar 40 is fixedly mounted in the first installation groove 231, the grabbing assembly 50 is mounted in the driving assembly 30, the top of the hammer assembly 60 is clamped at the bottom of the grabbing assembly 50, and the hammer assembly 60 is slidingly mounted in the vertical chute 24.
Referring to fig. 1 to 2, a first rotation hole 211 is concavely formed in the middle of the top surface of the test housing 21, a first mounting hole 212 is concavely formed on one side of the top surface of the test housing 21 away from the vertical chute 24, the first rotation hole 211 and the first mounting hole 212 are both communicated with the hollow cavity 23, two second mounting holes 232 are concavely formed on the bottom surface and the top surface of the hollow cavity 23, the two second mounting holes 232 are oppositely arranged at two ends of the first mounting hole 212, the two second mounting holes 232 are both located between the first mounting hole 212 and the first rotation hole 211, the driving mounting cavity 221 is communicated with the first rotation hole 211 and the first mounting hole 212, a first communication groove 222 is concavely formed in the middle of one end of the bottom surface of the top cover 22 adjacent to the vertical chute 24, and the first communication groove 222 is communicated with the first mounting groove 231.
Referring to fig. 2 to 3 and 6, the driving assembly 30 includes a driving motor 31, a screw rod 32, two sliding rods 33 and a nut seat 34, wherein the middle of the driving motor 31 is fixedly installed in a first installation hole 212, the bottom end of the screw rod 32 is rotatably installed in the middle of the bottom surface of the hollow cavity 23, the top end of the screw rod 32 is rotatably installed in a first rotation hole 211, a rotation wheel 35 is arranged at the top end of the screw rod 32, the rotation wheel 35 is positioned in a driving installation cavity 221, a transmission belt 36 is sleeved between the rotation wheel 35 and an output shaft of the driving motor 31 to realize transmission connection, two ends of the two sliding rods 33 are respectively installed in four second installation holes 232, the two sliding rods 33 are oppositely arranged, a threaded hole 341 is concavely arranged on the top surface of the nut seat 34, a sliding block 342 is convexly arranged on one side of the nut seat 34 away from the vertical sliding groove 24, sliding holes 343 are concavely arranged on two ends of the top surface of the sliding block 342, the nut seat 34 is installed in the screw rod 32 and the two sliding holes 343, a first installation block 344 is convexly arranged on one side of the screw rod 32 adjacent to the vertical sliding groove 24, a second communication groove 345 is concavely arranged on the top surface of the first installation block 344, and the second communication groove 345 is oppositely arranged with the first communication groove 231; a plurality of reinforcing grooves 41 are concavely formed in the side, adjacent to the vertical sliding groove 24, of the reinforcing strip 40 at equal intervals in the height direction, and the middle part of the reinforcing strip 40 is located in the second communicating groove 345.
Referring to fig. 3 to 5, the grabbing assembly 50 includes a grabbing mounting plate 51, a control element 52, a grabbing claw 53, a triggering element 54 and a hook claw 55, wherein two ends of one side of the grabbing mounting plate 51 far away from the vertical sliding chute 24 are respectively provided with a connecting mounting strip 511, top surfaces of the two connecting mounting strips 511 are respectively and fixedly mounted at two ends of the top surface of the first mounting block 344, one side of the top surface of the grabbing mounting plate 51 far away from the vertical sliding chute 24 is provided with a round table 512 in a protruding manner, two ends of the top surface of the round table 512 are respectively provided with an elastic rod 514, one side of the top surface of the elastic rod 514, adjacent to the vertical sliding chute 24, is concavely provided with an arc-shaped pushing surface 515, the top surface of the round table 512 is concavely provided with a first sliding hole 513, the control element 52 is mounted on the top surface of the grabbing mounting plate 51, the top surface of the grabbing claw 53 is fixedly mounted on the bottom surface of the grabbing mounting plate 51, a grabbing cavity 531 is hollow inside the grabbing cavity 531, the grabbing cavity 531 is communicated with the first sliding hole 513, two sides of the grabbing cavity 531 are concavely provided with a first sliding groove 532, one side of the grabbing claw 53 far away from the vertical sliding chute 24 is concavely provided with a second sliding groove 533, the second sliding groove 533 is communicated with the first sliding groove 532, the bottom of the grabbing claw 53 is far away from the vertical side of the triggering element 54 is convexly provided with the triggering element 534, and is mounted in the hook claw 55 in the installation cavity 55 is mounted in the installation cavity 55.
Referring to fig. 3 to 6, the control element 52 includes a lifting vertical plate 521, a control mounting plate 522, a dual-control driver 523, a trigger control column 524, a pressing plate 525 and a control column 526, wherein the bottom surface of the lifting vertical plate 521 is mounted on one side of the top surface of the grabbing mounting plate 51 far away from the vertical sliding groove 24, the bottom surface of the control mounting plate 522 is mounted on the top surface of the lifting vertical plate 521 on one side far away from the vertical sliding groove 24, both ends of the top surface of the control mounting plate 522 are concavely provided with a pushing hole, the middle part of the lifting vertical plate 521 adjacent to one side of the vertical sliding groove 24 is convexly provided with a control rotating table 527, the middle part of the control mounting plate 522 is concavely provided with a second sliding hole 528, the dual-control driver 523 is fixedly mounted on the top surface of the control mounting plate 522, the dual-control driver 523 is provided with two output shafts, the two output shafts of the dual-control driver 523 respectively penetrate through the two pushing holes to enter between the control mounting plate 522 and the grabbing mounting plate 51, the top surface of the dual-control driver 523 is concavely provided with a third sliding hole 529, and the third sliding hole 529 is opposite to the second sliding hole 528, the middle part of the trigger control column 524 is slidably mounted in the third sliding hole 529 and the second sliding hole 528, the top of the outer wall of the trigger control column 524 is convexly provided with a control disc 520, the bottom surface of the control disc 520 is provided with a conducting strip, one side of the pressure plate 525 far away from the vertical sliding groove 24 is concavely provided with a preset groove 561, two ends of the preset groove 561 are rotatably mounted in the control rotating table 527 through torsion springs, two ends of the bottom surface of the pressure plate 525 are convexly provided with control round blocks 562 respectively, the middle part of the control column 526 is slidably mounted in the first sliding hole 513, the top of the outer wall of the control column 526 is convexly provided with a limiting ring 563, one end of the bottom surface of each of the two control round blocks 562 is respectively propped against two ends of the top surface of the limiting ring 515, the top end of the trigger control column 524 is penetratingly arranged through the preset groove 561 and fixedly connected with the top surface of the control column 526, the control column 526 is provided with control sliding blocks 564 protruding from both sides of the bottom surface, the two control sliding blocks 564 are slidably mounted in the two first sliding grooves 532, and a fourth mounting hole is concavely formed on one side of each of the two control sliding blocks 564.
Referring to fig. 3 to 6, the trigger element 54 includes a trigger riser 541, a trigger mounting plate 542, a trigger 543, a trigger cross bar 544 and a trigger vertical bar 545, wherein the top of the trigger riser 541 is fixedly mounted in the trigger mounting block 534, one side of the trigger mounting plate 542 is fixedly mounted at the bottom of one side of the trigger riser 541 away from the vertical chute 24, a fifth mounting hole is concavely formed in the top surface of the trigger mounting plate 542, the middle of the trigger 543 is mounted in the fifth mounting hole, a fourth sliding hole 546 is concavely formed in the top surface of the trigger 543, the middle of the trigger vertical bar 545 is slidably mounted in the fourth sliding hole 546, and the top of the trigger vertical bar 545 is fixedly connected with one side of the trigger cross bar 544 away from the vertical chute 24.
Referring to fig. 3 to 6, the hook claw element 55 includes a cylindrical pin 551, a hook claw pin 552, two connecting rods 553 and two lifting hook claws 554, wherein two ends of the cylindrical pin 551 are respectively installed at two bottoms of two sides of the grabbing cavity 531, one end of the hook claw pin 552 adjacent to the vertical chute 24 is respectively installed in two fourth installation holes, the other end of the hook claw pin 552 is connected with the trigger cross bar 544 through a second sliding groove 533 in a penetrating manner, the tops of the two connecting rods 553 are respectively rotatably installed at one end of the hook claw pin 552 adjacent to the vertical chute 24, the tops of the two lifting hook claws 554 are respectively rotatably installed at the bottoms of the two connecting rods 553, and the middle parts of the two lifting hook claws 554 are respectively rotatably installed in the cylindrical pin 551.
Referring to fig. 3 and fig. 6 to fig. 7, the hammer assembly 60 includes a hammer block 61 and a reinforcing element 62, a hammer cap 611 is provided in the middle of the top surface of the hammer block 61, a hooking groove 612 is concavely provided in the middle of the outer wall of the hammer cap 611, a striking pin 613 is provided in the middle of the bottom surface of the hammer block 61, a sixth sliding hole 614 is concavely provided in the middle of the side wall of the hammer block 61, a clamping seat 615 is provided at the bottom of the inner side of the hammer block 61, a bolt blocking chute 618 is concavely provided in the top surface of the clamping seat 615, a rotation blocking groove 616 is concavely provided in the top of the inner side of the hammer block 61, a rotation pulling hook 617 is concavely provided in the bottom of the hammer block 61, and the rotation pulling hook 617 is located between the sixth sliding hole 614 and the clamping seat 615.
Referring to fig. 3 and 6-7, the reinforcing element 62 includes a blocking hook 621, a pull rod 622, a blocking hook 623 and a blocking bolt 624, wherein a rotating seat 625 is convexly arranged at the top of one side of the blocking hook 621 adjacent to the vertical sliding groove 24, the rotating seat 625 is rotatably installed in the blocking rotating groove 616, a pull rod groove 626 is concavely arranged at the middle of one side of the blocking hook 621 adjacent to the vertical sliding groove 24, one end of the pull rod 622 is rotatably installed in the pull rod groove 626 through a sixth sliding hole 614, a pull ring 627 is arranged at the other end of the pull rod 622, and the diameter of the pull rod 622 is smaller than that of the sixth sliding hole 614, one end of a clamping draw hook 623 is rotatably arranged in a draw hook rotary groove 617, a bolt blocking mounting hole is concavely formed in the middle of the clamping draw hook 623, the top of a bolt blocking 624 is arranged in the bolt blocking mounting hole, the bottom of the bolt blocking 624 is slidably arranged in a bolt blocking sliding groove 618, a spring is arranged between the bolt blocking 624 and the bolt blocking sliding groove 618, a clamping hook 628 is arranged on one side, far away from the vertical sliding groove 24, of the top surface of the clamping draw hook 623, a butt joint clamping groove 629 is concavely formed on one side, close to the vertical sliding groove 24, of the bottom surface of the clamping hook 621, the clamping hook 628 is clamped in the clamping groove 629, and the bottom end of a triggering vertical rod 545 is propped against the top surface of the clamping hook 621.
The invention also provides a cement soil penetration test method, which is applied to the cement soil detection device and comprises the following steps:
step S1: selecting a section with uniform thickness of the silt silty clay powder-sandwiched fine sand layer, detecting the thickness of the silt silty clay powder-sandwiched fine sand layer, calculating test depth, selecting three areas as test areas in the section, and cleaning and flattening the surfaces of the test areas;
step S2: P.O42.5 cement with 5 percent, 7 percent and 10 percent of the natural weight of the doped soil body is respectively selected as a curing agent in the three test areas, and the dosage of the curing agent to be added is calculated according to the natural weight of the soil body and the test depth;
step S3: tilting the curing agent at half the dose calculated in step S2 in the test zone;
step S4: uniformly stirring a silt powdery clay powder sand inclusion layer and a curing agent in the test depth range of a test area by using a digger, and stirring up and down for 3 times to form primary mixed cement soil;
step S5: flattening the surface of the primary mixed cement soil by using a digging machine;
step S6: tilting the curing agent in the step S2 in the test area, wherein the curing agent is half of the dosage;
step S7: mixing cement soil and a curing agent in a test depth range of a test area by using a digging machine, stirring uniformly, stirring up and down for 3 times to form cured cement soil, and flattening the surface of the cured cement soil;
Step S8: high-pressure water injection infiltration is carried out on the solidified cement soil inspection area by using an infiltration instrument every day within 28 days after the solidified cement soil is formed, and then the infiltration deformation test is carried out on the solidified cement soil of the inspection area in the three test areas by using a cement soil detection device;
step S9: and calculating the deformation force of the solidified cement soil according to the penetration deformation test, and comprehensively mapping the deformation force along with the age according to the deformation force tested every day within 28 days after the solidified cement soil is formed.
According to the invention, a plurality of test areas with deformation force exceeding 120kpa after detection can be selected according to the deformation force and the deformation force along with the age growth curve, and a scheme with high economic benefit is selected from the plurality of test areas for production and reinforcement.
Meanwhile, the mixing amount of the improved cement in the solidified cement soil should not be less than 5%, otherwise, the phenomenon of larger deformation force difference and uneven foundation in different positions of the same test area can be caused by the difficulty in stirring uniformly. And is suitable for use in shallow formations.
For example, in one embodiment: when a penetration deformation test is required, the cement soil detection device is moved onto the solidified cement soil in the test area after high-pressure water injection penetration, then the driving motor 31 is started, the output shaft of the driving motor 31 rotates and drives the rotating wheel 35 to synchronously rotate by using the transmission belt 36, the screw rod 32 is further rotated, the nut seat 34 is driven to move upwards along the sliding rod 33, the grabbing component 50 grabs the hammer component 60 and moves upwards until reaching a preset height, then the double-control driver 523 is started, the trigger control column 524 slides downwards along the third sliding hole 529 and the second sliding hole 528, the two output shafts of the double-control driver 523 synchronously extend, the pushing plate 525 rotates downwards around the control rotating table 527, the control cylindrical block 562 is used for pushing the elastic rod 514 to deform, meanwhile, the limiting rings 563 on the control column 526 are pushed downwards, the control column 526 moves downwards stably along the first sliding hole 513, the two control sliding blocks 564 move downwards along the first sliding groove 532, the hook claw pins 552, the two hook claw pins 554 rotate around the two hook pins 554, and the two hook claw assemblies 554 are opened outwards, and the two hook claw assemblies 554 are lifted outwards by the aid of the hook pins 554. Meanwhile, when the claw pin 552 moves downwards, the trigger cross bar 544 moves downwards, the trigger vertical plate 541 moves downwards, the blocking hook 621 is pressed to rotate around the rotating seat 625, the bottom of one side of the blocking hook 621, which is far away from the vertical sliding groove 24, is separated from one of the reinforcing grooves 41, the blocking groove 629 at the bottom of the blocking hook 621 is blocked in the clamping hook 628, the blocking effect of the reinforcing strip 40 on the hammer assembly 60 and the grabbing effect of the hammer assembly 60 disappear synchronously, the hammer assembly 60 falls down rapidly along the vertical sliding groove 24 under the action of gravity, the solidified cement soil is impacted, and the osmotic deformation test is performed. Meanwhile, the detection sensor 241 can recognize the condition of the solidified soil cement when the hammer assembly 60 strikes the solidified soil cement, detect whether there is a break, and detect the surface deformation condition.
For example, in one embodiment: when the first impact of the hammer assembly 60 on the solidified soil cement is completed, the driving motor 31 is started, the driving nut seat 34 moves down along the sliding rod 33 until the bottoms of the lifting hooks 554 move to the hooking grooves 612, then, the double-control driver 523 is started, the output shaft of the double-control driver 523 is retracted, the elastic rod 514 is rebounded, the pressing plate 525 returns to the original position, the pushing force on the control column 526 is eliminated, meanwhile, the double-control driver 523 drives the trigger control column 524 to move up, the control column 526 is driven to move up, the hook claw pins 552 are driven to move up, the two lifting hooks 554 rotate around the cylindrical pins 551 to clamp the hammer caps 611 inwards, then, the driving motor 31 is started, the driving nut seat 34 moves up along the sliding rod 33, until reaching the preset height, the pull rod 622 is pushed by the pull ring 627 until the inner side of the pull ring 627 is propped against the outer side of the hammer body 61, so that the pull rod 622 slides inwards along the sixth sliding hole 614, the blocking hook 621 rotates around the rotating seat 625, the blocking hook 628 is separated from the blocking groove 629, the bottom of one side of the blocking hook 621 away from the vertical sliding groove 24 is blocked in one of the reinforcing grooves 41 again, and the locking before the detection of the hammer assembly 60 is completed.
For example, in one embodiment: the invention can accurately control the test height and perform various test height adjustment so as to improve the test accuracy.
The installation process comprises the following steps: the bottom surface of the top cover 22 is fixedly arranged on the top surface of the test shell 21, the top of the inner side of the reinforcing bar 40 is fixedly arranged in the first mounting groove 231, the middle part of the driving motor 31 is fixedly arranged in the first mounting hole 212, the bottom end of the screw rod 32 is rotatably arranged in the middle part of the bottom surface of the hollow cavity 23, the top end of the screw rod 32 is rotatably arranged in the first rotating hole 211, two ends of the two sliding rods 33 are respectively arranged in the four second mounting holes 232, the two sliding rods 33 are oppositely arranged, the nut seat 34 is arranged in the screw rod 32 and the two sliding rods 33 through the threaded holes 341 and the two sliding holes 343, the top surfaces of the two connecting mounting bars 511 are respectively fixedly arranged at two ends of the top surface of the first mounting block 344, the top surface of the grabbing claw 53 is fixedly arranged on the top surface of the grabbing mounting plate 51, the bottom surface of the lifting vertical plate 521 is arranged on the side of the grabbing mounting plate 51 away from the vertical sliding groove 24, the bottom surface of the control mounting plate 522 is arranged on the top surface of the lifting vertical sliding groove 521 away from the vertical sliding groove 24, the double control driver 523 is fixedly installed on the top surface of the control installation plate 522, two output shafts of the double control driver 523 respectively penetrate through two pushing holes to enter between the control installation plate 522 and the grabbing installation plate 51, the middle part of the trigger control column 524 is slidably installed in the third sliding hole 529 and the second sliding hole 528, two ends of the preset groove 561 are rotatably installed in the control rotating table 527 through torsion springs, the middle part of the control column 526 is slidably installed in the first sliding hole 513, one end of the bottom surface of the two control round blocks 562 respectively abuts against the two pushing surfaces 515, the other end of the bottom surface of the two control round blocks 562 respectively abuts against two ends of the top surface of the limiting ring 563, the top end of the trigger control column 524 is fixedly connected with the top surface of the control column 526 through the preset groove 561, the two control sliding blocks 564 are respectively slidably installed in the two first sliding grooves 532, the top of the trigger vertical plate 541 is fixedly installed in the trigger installation block 534, one side of the trigger mounting plate 542 is fixedly arranged at the bottom of one side of the trigger vertical plate 541 far away from the vertical sliding groove 24, the middle part of the trigger 543 is arranged in a fifth mounting hole, the middle part of the trigger vertical rod 545 is slidably arranged in a fourth sliding hole 546, the top of the trigger vertical rod 545 is fixedly connected with one side of the trigger horizontal rod 544 far away from the vertical sliding groove 24, two ends of the cylindrical pin 551 are respectively arranged at the bottoms of two sides of the grabbing cavity 531, the middle part of the claw pin 552 and one end adjacent to the vertical sliding groove 24 are respectively arranged in two fourth mounting holes, the other end of the claw pin 552 is connected with the trigger horizontal rod 544 through a second sliding groove 533 in a penetrating way, the tops of the two connecting rods 553 are respectively rotatably arranged at one end of the claw pin 552 adjacent to the vertical sliding groove 24, the tops of the two lifting hook claws 554 are respectively and rotatably arranged at the bottoms of the two connecting rods 553, the middle parts of the two lifting hook claws 554 are respectively and rotatably arranged in the cylindrical pins 551, the rotating seat 625 is rotatably arranged in the clamping rotating groove 616, one end of the pull rod 622 is penetrated through the sixth sliding hole 614 and rotatably arranged in the pull rod groove 626, one end of the clamping drag hook 623 is rotatably arranged in the drag hook rotating groove 617, the top of the blocking bolt 624 is arranged in the blocking bolt mounting hole, the bottom of the blocking bolt 624 is slidably arranged in the blocking bolt sliding groove 618, the clamping hook 628 is clamped in the clamping groove 629, and the bottom end of the triggering vertical rod 545 is propped against the top surface of the clamping hook 621.
The invention can realize the following steps:
1. the method provides an efficient, simple and convenient test method for testing the silt powder clay powder sand inclusion layer, ensures uniform mixing, improves curing effect and construction efficiency by pouring and turning the curing agent in stages, enables the curing agent to be fully contacted with soil body, realizes uniform curing, and forms cured cement soil, so that the change rule of the cured cement soil in different ages is comprehensively known, the performance of the cured cement soil is comprehensively evaluated, and scientific basis is provided for subsequent use.
2. The invention realizes the automatic accurate control of the osmotic deformation test by using the shell component 20, the driving component 30, the reinforcing strip 40, the grabbing component 50 and the hammer component 60, ensures the test accuracy by using double blocking, prevents errors in the test process, and further ensures the accurate control and adjustment of test parameters and the accurate and effective test.
3. The invention has the advantages of convenient and accurate operation, high repeatability, reduced manual operation, improved inspection efficiency, capability of acquiring impact force feedback monitoring, and monitoring and analyzing the impact force, thereby evaluating the bearing performance and permeation resistance deformation capacity of the solidified cement soil and providing important references for engineering design and use.
The above embodiments represent only a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a soil cement detection device which characterized in that: including shell subassembly (20), drive assembly (30), add and fix strip (40), snatch subassembly (50) and drive hammer subassembly (60), shell subassembly (20) are including test shell (21) and top cap (22), test shell (21) inside cavity is formed with cavity (23), test shell (21) one side middle part concave is equipped with vertical spout (24), vertical spout (24) length direction is the same with test shell (21) direction of height, and vertical spout (24) and cavity (23) intercommunication, vertical spout (24) bottom surface both sides all are provided with detection sensor (241), top cap (22) bottom surface fixed mounting is in test shell (21) top surface, top cap (22) inside cavity is formed with drive installation cavity (221), cavity (23) top surface is adjacent vertical spout (24) one end concave is equipped with first mounting groove (231), first mounting groove (231) and vertical spout (24) intercommunication, drive subassembly (30) are installed in drive installation cavity (221) and cavity (23), add and fix strip (40) inboard top fixed mounting in first mounting groove (231), snatch subassembly (50) installs in drive hammer subassembly (50) top in the top of snatch subassembly (50), and the hammer assembly (60) is slidably mounted in the vertical chute (24).
2. The soil cement detection device of claim 1, wherein: the middle of the top surface of the test shell (21) is concavely provided with a first rotating hole (211), one side of the top surface of the test shell (21) away from the vertical sliding groove (24) is concavely provided with a first mounting hole (212), the first rotating hole (211) and the first mounting hole (212) are communicated with the hollow cavity (23), the bottom surface and the top surface of the hollow cavity (23) are concavely provided with two second mounting holes (232), the two second mounting holes (232) are oppositely arranged at two ends of the first mounting hole (212), the two second mounting holes (232) are located between the first mounting hole (212) and the first rotating hole (211), the driving mounting cavity (221) is communicated with the first rotating hole (211) and the first mounting hole (212), the middle of one end of the bottom surface of the top cover (22) adjacent to the vertical sliding groove (24) is concavely provided with a first communicating groove (222), and the first communicating groove (222) is communicated with the first installing groove (231).
3. The soil cement detection device of claim 2, wherein: the driving assembly (30) comprises a driving motor (31), a screw rod (32), two sliding rods (33) and a nut seat (34), wherein the middle part of the driving motor (31) is fixedly arranged in a first mounting hole (212), the bottom end of the screw rod (32) is rotatably arranged in the middle part of the bottom surface of a hollow cavity (23), the top end of the screw rod (32) is rotatably arranged in a first rotating hole (211), a rotating wheel (35) is arranged at the top end of the screw rod (32), the rotating wheel (35) is positioned in a driving mounting cavity (221), a transmission belt (36) is sleeved between the rotating wheel (35) and the output shaft of the driving motor (31) so as to realize transmission connection, two ends of the two sliding rods (33) are respectively arranged in four second mounting holes (232), the two sliding rods (33) are oppositely arranged, a threaded hole (341) is concavely arranged on the top surface of the nut seat (34), a sliding block (342) is convexly arranged on one side of the nut seat (34) away from a vertical sliding groove (24), sliding holes (343) are concavely arranged on two ends of the top surface of the sliding block (342), the nut seat (34) are respectively arranged on the sliding hole (343) through the threaded hole (341) and the two sliding blocks (32) and the two sliding blocks (343) are respectively arranged on one side of the sliding block (24) close to the first sliding block (344), the top surface of the first mounting block (344) is concavely provided with a second communication groove (345), and the second communication groove (345) is opposite to the first mounting groove (231); a plurality of reinforcing grooves (41) are concavely formed in one side, adjacent to the vertical sliding groove (24), of the reinforcing strip (40) at equal intervals along the height direction, and the middle part of the reinforcing strip (40) is positioned in the second communicating groove (345).
4. A soil cement detection device as claimed in claim 3, wherein: the grabbing component (50) comprises a grabbing mounting plate (51), a control element (52), grabbing claw bodies (53), a triggering element (54) and a hook claw element (55), wherein connecting mounting strips (511) are respectively and convexly arranged at two ends of one side of the grabbing mounting plate (51), far away from the vertical sliding groove (24), of the grabbing mounting plate (51), a round table (512) is convexly arranged at one side of the grabbing mounting plate (51), far away from the vertical sliding groove (24), elastic rods (514) are respectively arranged at two ends of the top surface of the round table (512), arc-shaped pushing surfaces (515) are concavely arranged at one side, close to the vertical sliding groove (24), of the top surface of the elastic rods (514), first sliding holes (513) are concavely arranged at the top surface of the round table (512), the control element (52) is arranged on the top surface of the grabbing mounting plate (51), the top surface of the grabbing claw bodies (53) is fixedly arranged on the bottom surface of the grabbing mounting plate (51), grabbing cavity (531) is formed in a hollow mode inside the grabbing cavity (531), the grabbing cavity (531) is communicated with the first sliding holes (513), first sliding grooves (533) are concavely arranged at the tops of two sides of the grabbing cavity (531), the top of the grabbing cavity (53) respectively, the first sliding grooves (532) are concavely arranged near to one side of the vertical sliding groove (24), the second sliding grooves (533) and far away from the first sliding grooves (532) respectively, the bottom of one side, far away from the vertical sliding groove (24), of the grabbing claw body (53) is convexly provided with a trigger installation block (534), the trigger element (54) is installed in the trigger installation block (534), and the claw element (55) is installed in the grabbing cavity (531).
5. The soil cement detection device of claim 4, wherein: the control element (52) comprises a lifting vertical plate (521), a control mounting plate (522), a double-control driver (523), a trigger control column (524), a pressing plate (525) and a control column (526), wherein the bottom surface of the lifting vertical plate (521) is mounted on one side of the top surface of the grabbing mounting plate (51) far away from the vertical sliding groove (24), the bottom surface of the control mounting plate (522) is mounted on one side of the bottom surface of the lifting vertical plate (521), both ends of the top surface of the control mounting plate (522) are concavely provided with a pushing hole, the middle part of the lifting vertical plate (521) adjacent to one side of the vertical sliding groove (24) is convexly provided with a control rotating table (527), the middle part of the control mounting plate (522) is concavely provided with a second sliding hole (528), the double-control driver (523) is fixedly mounted on the top surface of the control mounting plate (522), the two output shafts of the double-control driver (523) penetrate through the two pushing holes respectively and enter between the control mounting plate (522) and the grabbing mounting plate (51), the top surface of the double-control driver (523) is concavely provided with a third sliding hole (529), the third sliding hole and the second sliding hole (529) is concavely provided with a second sliding hole 528) adjacent to the middle part of the vertical sliding hole (24), the trigger control column (528) is arranged in the middle part of the control column (528), the control column (528) and the control column (528) is fixedly arranged on the top surface, the control panel (520) bottom surface is provided with the conducting strip, clamp plate (525) keep away from vertical spout (24) one side middle part concave be equipped with preset groove (561), preset groove (561) both ends are installed in control rotation platform (527) through torsional spring rotation, clamp plate (525) bottom surface middle part both ends are protruding control circle piece (562) respectively, control column (526) middle part slidable mounting is in first sliding hole (513), control column (526) outer wall top protruding spacing ring (563) that is equipped with, two control circle piece (562) bottom surface one end supports respectively and holds on two pushing face (515), two control circle piece (562) bottom surface other end supports respectively and holds in spacing ring (563) top surface both ends, trigger control column (524) top wears to establish through preset groove (561) and control column (526) top surface fixed connection, control column (526) bottom surface both sides are protruding control slider (564) that are equipped with respectively, two control slider (564) slidable mounting in two first sliding grooves (532), two control slider (564) one side all concave fourth mounting hole that is equipped with.
6. The soil cement detection device of claim 5, wherein: the trigger element (54) comprises a trigger vertical plate (541), a trigger mounting plate (542), a trigger (543), a trigger cross rod (544) and a trigger vertical rod (545), wherein the top of the trigger vertical plate (541) is fixedly mounted in a trigger mounting block (534), one side of the trigger mounting plate (542) is fixedly mounted at the bottom of one side of the trigger vertical plate (541) far away from the vertical sliding groove (24), a fifth mounting hole is concavely formed in the top surface of the trigger mounting plate (542), the middle of the trigger (543) is mounted in the fifth mounting hole, a fourth sliding hole (546) is concavely formed in the top surface of the trigger (543), the middle of the trigger vertical rod (545) is slidably mounted in the fourth sliding hole (546), and the top of the trigger vertical rod (545) is fixedly connected with one side of the trigger cross rod (544) far away from the vertical sliding groove (24).
7. The soil cement detection device of claim 6, wherein: the hook claw element (55) comprises a cylindrical pin (551), a hook claw pin (552), two connecting rods (553) and two lifting hook claws (554), wherein two ends of the cylindrical pin (551) are respectively arranged at the bottoms of two sides of the grabbing cavity (531), the middle part of the hook claw pin (552) and one end adjacent to the vertical sliding groove (24) are respectively arranged in two fourth mounting holes, the other end of the hook claw pin (552) penetrates through the second sliding groove (533) to be connected with the trigger cross rod (544), the tops of the two connecting rods (553) are respectively rotatably arranged at one end, adjacent to the vertical sliding groove (24), of the hook claw pin (552), the tops of the two lifting hook claws (554) are respectively rotatably arranged at the bottoms of the two connecting rods (553), and the middle parts of the two lifting hook claws (554) are respectively rotatably arranged in the cylindrical pin (551).
8. The soil cement detection device of claim 7, wherein: the hammer assembly (60) comprises a hammer body (61) and a reinforcing element (62), wherein a hammer cap (611) is arranged in the middle of the top surface of the hammer body (61), a hooking groove (612) is concavely formed in the middle of the outer wall of the hammer cap (611), a striking pin (613) is arranged in the middle of the bottom surface of the hammer body (61), a sixth sliding hole (614) is concavely formed in the middle of the side wall of the hammer body (61), a clamping seat (615) is arranged at the bottom of the inner side of the hammer body (61), a bolt blocking sliding groove (618) is concavely formed in the top surface of the clamping seat (615), a clamping rotation groove (616) is concavely formed in the top of the inner side of the hammer body (61), a drag hook rotation groove (617) is concavely formed in the bottom of the hammer body (61), and the drag hook rotation groove (617) is located between the sixth sliding hole (614) and the clamping seat (615).
9. The soil cement detection device of claim 8, wherein: the reinforcing element (62) comprises a blocking hook (621), a pull rod (622), a blocking draw hook (623) and a blocking bolt (624), wherein a rotating seat (625) is convexly arranged at the top of one side of the blocking hook (621) adjacent to the vertical sliding groove (24), the rotating seat (625) is rotatably arranged in the blocking rotary groove (616), a pull rod groove (626) is concavely arranged at the middle part of one side of the blocking hook (621) adjacent to the vertical sliding groove (24), one end of the pull rod (622) is penetrated and arranged in the pull rod groove (626) in a penetrating way through a sixth sliding hole (614), the other end of the pull rod (622) is provided with a pull ring (627), the diameter of the pull rod (622) is smaller than that of the sixth sliding hole (614), one end of the blocking draw hook (623) is rotatably arranged in the drag hook rotary groove (617), a blocking bolt mounting hole is concavely arranged at the middle part of the blocking draw hook (623), the top of the blocking bolt (624) is arranged in the blocking bolt mounting hole, the bottom of the blocking bolt (624) is slidably arranged in the blocking bolt (618), a spring is arranged between the blocking bolt (624) and the blocking bolt groove (618), the top surface (623) is rotatably arranged in the pull rod groove (626), the diameter of the pull rod groove (626), the hook (622) is far away from the blocking hook (9) and the blocking hook (628) and the vertical sliding groove (9), and the bottom end of the triggering vertical rod (545) is propped against the top surface of the blocking hook (621).
10. A soil cement penetration test method applied to the soil cement detection device of claim 9, characterized in that the test method comprises the following steps:
step S1: selecting a section with uniform thickness of the silt silty clay powder-sandwiched fine sand layer, detecting the thickness of the silt silty clay powder-sandwiched fine sand layer, calculating test depth, selecting three areas as test areas in the section, and cleaning and flattening the surfaces of the test areas;
step S2: P.O42.5 cement with 5 percent, 7 percent and 10 percent of the natural weight of the doped soil body is respectively selected as a curing agent in the three test areas, and the dosage of the curing agent to be added is calculated according to the natural weight of the soil body and the test depth;
step S3: tilting the curing agent at half the dose calculated in step S2 in the test zone;
step S4: uniformly stirring a silt powdery clay powder sand inclusion layer and a curing agent in the test depth range of a test area by using a digger, and stirring up and down for 3 times to form primary mixed cement soil;
step S5: flattening the surface of the primary mixed cement soil by using a digging machine;
step S6: tilting the curing agent in the step S2 in the test area, wherein the curing agent is half of the dosage;
step S7: mixing cement soil and a curing agent in a test depth range of a test area by using a digging machine, stirring uniformly, stirring up and down for 3 times to form cured cement soil, and flattening the surface of the cured cement soil;
Step S8: high-pressure water injection infiltration is carried out on the solidified cement soil inspection area by using an infiltration instrument every day within 28 days after the solidified cement soil is formed, and then the infiltration deformation test is carried out on the solidified cement soil of the inspection area in the three test areas by using a cement soil detection device;
step S9: and calculating the deformation force of the solidified cement soil according to the penetration deformation test, and comprehensively mapping the deformation force along with the age according to the deformation force tested every day within 28 days after the solidified cement soil is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410224180.5A CN117804943B (en) | 2024-02-29 | 2024-02-29 | Cement soil penetration test method and detection device thereof |
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