CN213539097U - Test device for detecting vertical uplift bearing capacity of uplift pile - Google Patents
Test device for detecting vertical uplift bearing capacity of uplift pile Download PDFInfo
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- CN213539097U CN213539097U CN202022352685.XU CN202022352685U CN213539097U CN 213539097 U CN213539097 U CN 213539097U CN 202022352685 U CN202022352685 U CN 202022352685U CN 213539097 U CN213539097 U CN 213539097U
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Abstract
The utility model discloses a test device for detecting vertical resistance to plucking bearing capacity of anti-floating pile relates to foundation pile static test field. The anti-pulling pile comprises a steel beam transversely erected right above an anti-pulling pile, a jack seated on the top surface of the steel beam, an upper anchoring plate supported on the top surface of the jack, a pull rod, a lower anchoring assembly and a displacement sensor, wherein the upper end of the pull rod is connected with the upper anchoring plate and vertically penetrates through the steel beam downwards; the lower anchoring component is a round table-shaped structure which is formed by taking an upper connecting plate as a top surface, taking a lower anchoring plate as a bottom surface and taking a circle of reinforcing rib plates which are annularly distributed at the edges of the upper connecting plate and the anchoring plate by diagonal braces as side surfaces, a cylindrical reinforcing barrel is embedded in the center of the round table-shaped structure, and an anchorage device is arranged on the upper surface of the lower anchoring plate and between every two adjacent reinforcing rib plates. Utilize the utility model discloses can detect the vertical resistance to plucking bearing capacity of different specification resistance to plucking stake fast accurately, convenient equipment, the anchor of being convenient for, measure accurate, the commonality is strong, operation safety.
Description
Technical Field
The utility model relates to a foundation pile static test field, more specifically say a test device for detecting vertical resistance to plucking bearing capacity of resistance to plucking pile.
Background
The uplift pile is an uplift member which is arranged in a foundation and bears the buoyancy of underground water or the load of an upper structure together with a foundation (an underground structure bottom plate). The uplift pile provides a counter force for vertical uplift through the friction between the side surface of the pile and a soil body and the self weight of the pile body, and the vertical uplift bearing capacity is a main control index for acceptance of the uplift pile. The vertical uplift bearing capacity detection of the uplift pile is to apply graded load to a design bearing capacity loading value through the uplift pile, observe whether the uplift capacity after each grade of loading can reach a stable standard and whether the total uplift capacity meets the design and specification requirements. The traditional test device for detecting the vertical uplift bearing capacity of the uplift pile has the defects of troublesome assembly, large measurement error and poor general performance. Therefore, a set of test device capable of rapidly and accurately detecting the vertical uplift bearing capacity of uplift piles of different specifications is urgently needed to be designed.
Disclosure of Invention
The purpose of the utility model is just to the weak point that exists among the above-mentioned prior art and provide a test device for detecting the vertical resistance to plucking bearing capacity of resistance to plucking pile. Utilize the utility model discloses can detect the vertical resistance to plucking bearing capacity of different specification resistance to plucking stake fast accurately, have convenient equipment, be convenient for the anchor, measure accurate, the commonality strong and operation safety's advantage.
The purpose of the utility model can be realized by the following technical measures:
the utility model discloses a test device for detecting vertical resistance to plucking bearing capacity of resistance to plucking pile, including the girder steel (the girder steel is the application of force of the jack in the utility model supports the basis) that transversely erects directly over the resistance to plucking pile, the jack (the anchor plate is gone up in the jacking on the girder steel top surface, apply ascending load for going up the anchor plate), the last anchor plate (be used for hanging dress pull rod and lower anchor subassembly) that supports on the jack top surface, the upper end is connected with last anchor plate, and a plurality of pull rods vertically downwards (connect lower anchor subassembly and last anchor plate as an organic whole, thereby transmit the load), hang the dress in the lower anchor subassembly of pull rod bottom (the upper end combines as an organic whole through pull rod and last anchor plate, the lower extreme combines as an organic whole through ground tackle and resistance to plucking pile extension reinforcing bar and resistance to pile, act on the load that goes up the anchor plate of jack and transmit resistance to plucking pile extension reinforcing bar and resistance to the, further pulling the uplift pile to be uplifted), and a displacement sensor (arranged on the top surface of the uplift pile and used for measuring and recording the uplift amount of the uplift pile); the lower anchoring component is a round table-shaped structure which is formed by taking an upper connecting plate as a top surface, taking a lower anchoring plate as a bottom surface and taking a circle of reinforcing rib plates which are arranged at the edges of the upper connecting plate and the anchoring plate in a circumferential mode through inclined struts as side surfaces, a cylindrical reinforcing barrel is embedded in the center of the round table-shaped structure, the cylindrical reinforcing barrel and the reinforcing rib plates which are arranged in a circumferential mode respectively connect the inner edge and the outer edge of the upper connecting plate and the corresponding outer edge of the lower anchoring plate into a whole to form a space force transmission component which can uniformly transmit and distribute the load transmitted by a pull rod to the upper connecting plate to the lower anchoring plate, an anchorage device (used for fixing and clamping the upper end of the uplift pile extension reinforcing steel bar and the uplift pile is uniformly arranged on the upper surface of the lower anchoring plate and in the interval between every two adjacent reinforcing rib plates to further pull the uplift pile and utilize the anchorage device for connection, on the one hand, the steel bar welding device is convenient for quick assembly and disassembly, and on the other hand, the test suspension caused by uneven stress and insecure fracture of steel bar connection due to steel bar welding is avoided).
The utility model discloses in go up the anchor arm-tie and be square board, processing have with the quantity and the diameter assorted draw-bar hole I of pull rod (be used for wearing the dress pull rod smoothly) on last anchor arm-tie, processing have the screw rod hole I that is used for wearing to adorn interim installation screw rod (be used for wearing to adorn interim installation screw rod on last anchor arm-tie, will go up the anchor arm-tie through interim installation screw rod in the equipment initial stage and fix temporarily in the top of girder steel, make things convenient for the smooth installation of pull rod and lower anchor arm-tie subassembly, the in-process of anchor arm-tie subassembly prevents to go up anchor arm-tie unstability landing under the installation.
In the utility model, the upper connecting plate is a circular plate, and the upper connecting plate is provided with pull rod holes II (for smoothly penetrating and installing pull rods) with the number and the diameter matched with those of the pull rods; and a circle of annular reinforcing coaming which is lapped with the upper end of the reinforcing rib plate is fixed at the edge of the bottom surface of the upper connecting plate (the rigidity of the upper connecting plate is reinforced, so that the upper connecting plate can not deform when bearing a large load and can bear a large-tonnage anti-pulling test).
In the utility model, the lower anchoring plate is a circular plate, a plurality of guide grooves (for adjusting the anchoring position of the uplift pile extension reinforcing steel bars, ensuring that the uplift pile extension reinforcing steel bars are in a vertical state and improving the accuracy of the test) which are opened at the edge and have a key groove structure along the radial direction are processed on the lower anchoring plate in a circumferential and uniform distribution mode, and the number and the width of the guide grooves are not less than the number and the diameter of the uplift pile extension reinforcing steel bars (the fixing and the clamping of the uplift pile extension reinforcing steel bars with various diameter specifications and length specifications can be met by replacing clamping pieces in an anchorage device, the application range and the universality of the utility model are greatly improved, the field welding of the reinforcing steel bars is also avoided, and the field detection is convenient); and a plurality of annular limiting blocks which are overlapped with the lower end heads of the reinforcing rib plates are fixed at the bottom edge of the lower anchoring plate (on one hand, the anchorage device is prevented from sliding out of the guide groove due to uneven stress of the extension reinforcing steel bars of the uplift pile, so that dangers are avoided in the process of a sample, and on the other hand, the rigidity of the lower anchoring plate is enhanced, so that the lower anchoring plate is kept not to deform when bearing a large load).
The utility model discloses in the bottom both ends of girder steel are supported there is the concrete buttress (are used for supporting the girder steel) the middle part processing of girder steel has screw rod hole II (be used for wearing to adorn interim installation screw rod, will go up the anchor arm-tie through interim installation screw rod in the equipment initial stage and fix temporarily in the top of girder steel, makes things convenient for smooth installation of pull rod and lower anchor arm-tie subassembly, and the in-process of anchor arm-tie subassembly prevents to go up anchor arm-tie unstability landing under the installation.
The utility model discloses in the upper end of pull rod is passed through the nut and is linked to each other with last anchor plate fastening (the height of anchor plate can be adjusted through the nut to the height of adaptation jack; also be convenient for quick dismantlement and installation simultaneously), and the lower extreme of pull rod passes through the nut and links to each other with the upper junction plate fastening (confirm the high position of anchor subassembly down according to the reserve length of uplift pile extension reinforcing bar, and the high position of lower anchor subassembly can be adjusted through the nut, has satisfied the experimental demand of different length uplift pile extension reinforcing bars like this).
The design principle of the utility model is as follows:
the utility model discloses a jack exerts ascending load to last anchor plate, and load from last anchor plate transmits to anchor assembly down through the pull rod, because anchor assembly and uplift pile extension reinforcing bar pass through the ground tackle and are connected down, and the load transmits for uplift pile extension reinforcing bar and uplift pile from anchor assembly down again, consequently pulls out on the transmission drive uplift pile through the load under the jacking effect of jack to the displacement sensor through setting up at uplift pile top measures and takes notes the volume of pulling out. Therefore, by applying graded load to the uplift pile for a plurality of times and recording the uplift amount, whether the uplift amount after each grade of loading can reach the stable standard and whether the total uplift amount meets the design and specification requirements is observed, so that the uplift bearing capacity is smoothly and quickly detected. Meanwhile, the force transmission components, namely the upper anchor plate, the pull rod and the lower anchor assembly, are combined in a threaded mode between the screw and the nut, so that the quick assembly and the quick disassembly are convenient; the anchor assembly, the uplift pile extension reinforcing steel bars and the uplift pile are fixed and clamped through the anchor, on one hand, quick assembly and disassembly are facilitated, on the other hand, the test suspension caused by uneven stress and infirm fracture of reinforcing steel bar connection due to steel bar welding is avoided, and the anchor assembly has the advantages of convenience in assembly and convenience in anchoring. The utility model provides a processing has the opening in the border on the lower anchor plate, follows the guide slot that the radius direction internal extension is the keyway structure, can adjust the anchor position of the epitaxial reinforcing bar of uplift pile, guarantees that the epitaxial reinforcing bar of uplift pile is in vertical state, improves experimental accuracy greatly. The utility model discloses a nut can adjust the high needs of the height of going up the anchor plate in order to adapt to the jack, can adjust down the reservation length needs of the high position of anchor subassembly in order to adapt to the epitaxial reinforcing bar of uplift pile through the nut, can satisfy the fixed of the epitaxial reinforcing bar of uplift pile to multiple diameter specification and length specification with the cooperation of ground tackle and press from both sides tightly through the guide slot, above-mentioned technical characteristic has improved greatly the utility model discloses an application scope and commonality. The annular reinforcing coaming designed in the utility model can reinforce the rigidity of the upper connecting plate, so that the upper connecting plate can keep not deforming when bearing larger load; the annular limiting block designed in the utility model can prevent the anchorage device from sliding out of the guide groove due to uneven stress of the extension reinforcing steel bars of the uplift pile, thereby avoiding danger in the process of the sample; therefore, the utility model also has the advantage of safe operation.
The utility model has the advantages of:
utilize the utility model discloses can detect the vertical resistance to plucking bearing capacity of different specification resistance to plucking stake fast accurately, have convenient equipment, be convenient for the anchor, measure accurate, the commonality strong and operation safety's advantage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the lower anchor assembly.
Fig. 3 is a top sectional view a-a of fig. 2.
Fig. 4 is a lower sectional view of B-B in fig. 2.
Fig. 5 is a structural schematic view of the upper anchor plate.
Figure 6 is a partial schematic view of the middle of a steel beam.
The sequence numbers in the figures illustrate: 1. the concrete buttress, 2, a steel beam, 2-1, a screw hole II, 3, a jack, 4, an upper anchor plate, 4-1, a pull rod hole I, 4-2, a screw hole I, 5, a pull rod, 6, a lower anchor assembly, 6-1, an upper connecting plate, 6-1-1, a pull rod hole II, 6-2, a circumferential reinforcing coaming, 6-3, a reinforcing rib plate, 6-4, an anchor, 6-5, a circumferential limiting block, 6-6, a lower anchor plate, 6-6-1, a guide groove, 6-7, a cylindrical reinforcing barrel, 7, an uplift pile extension reinforcing steel bar, 8, a nut, 9, an uplift pile, 10 and a displacement sensor.
Detailed Description
The utility model is further described with the following figures:
as shown in fig. 1 to 6, a testing device for detecting the vertical uplift bearing capacity of an uplift pile of the present invention comprises a steel beam 2 (the steel beam 2 is the force application supporting base of the jack 3 of the present invention) transversely erected directly above the uplift pile 9, a jack 3 (a jacking upper anchor plate 4 for applying an upward load to the upper anchor plate 4) seated on the top surface of the steel beam, an upper anchor plate 4 (for hanging a pull rod 5 and a lower anchor assembly 6) supported on the top surface of the jack, a plurality of pull rods 5 having upper ends connected to the upper anchor plate and vertically penetrating the steel beam downward (the lower anchor assembly 6 is connected to the upper anchor plate 4 to transmit a load), a lower anchor assembly 6 (the upper ends are integrated with the upper anchor plate 4 through the pull rods 5), and lower ends are integrated with the uplift pile extension bars 7 and the uplift pile 9 through anchors 6-4, the load of the jack 3 acting on the upper anchor plate 4 is sequentially transmitted to the uplift pile extension steel bar 7 and the uplift pile 9, so that the uplift pile 9 is pulled to be uplifted, and a displacement sensor 10 (arranged on the top surface of the uplift pile 9 and used for measuring and recording the uplift amount of the uplift pile 9) is arranged; the lower anchoring component 6 is a circular truncated cone-shaped structure which is formed by taking an upper connecting plate 6-1 as a top surface, taking a lower anchoring plate 6-6 as a bottom surface, taking a circle of reinforcing rib plates 6-3 which are arranged in a ring shape at the edges of the upper connecting plate and the anchoring plate by diagonal braces as side surfaces, embedding a cylindrical reinforcing barrel 6-7 in the center of the circular truncated cone-shaped structure (the cylindrical reinforcing barrel 6-7 and the reinforcing rib plates 6-3 which are arranged in a ring shape respectively connect the corresponding inner edges and outer edges of the upper connecting plate 6-1 and the lower anchoring plate 6-6 into a whole to form a space force transmission component which can uniformly transmit and distribute the load transmitted by the pull rod 5 to the upper connecting plate 6-1 to the lower anchoring plate 6-6), and arranging an anchorage device 6-4 (used for fixing and clamping the upper end of the uplift pile extension reinforcing steel bar 7 in the interval between every two adjacent reinforcing rib plates 6-3 above the lower anchoring plate 6-, and (3) transmitting the upward load from the lower anchoring plates 6-6 to the uplift pile extension reinforcing steel bars 7 and the uplift pile 9, and further pulling the uplift pile 9 to be uplifted. Utilize the ground tackle to connect, on the one hand be convenient for fast assembly and dismantlement, on the other hand has avoided adopting the uneven atress that the reinforcing bar welding arouses and reinforcing bar connection insecure fracture and lead to the test to suspend).
The utility model discloses in go up anchor arm-tie 4 and be square board, processing have on last anchor arm-tie 4 with the quantity of pull rod and diameter assorted draw-bar hole I4-1 (be used for wearing dress pull rod 5 smoothly), processing has the screw rod hole I4-2 (be used for wearing dress interim mounting screw rod) that is used for wearing dress interim mounting screw rod on last anchor arm-tie 4 (be used for wearing dress interim mounting screw rod, will go up anchor arm-tie 4 through interim mounting screw rod in the equipment initial stage and temporarily fix in the top of girder steel 2, make things convenient for smooth installation of pull rod 5 and lower anchor arm-tie subassembly 6, anchor arm-tie 4 unstability landing is prevented to the in-process of subassembly 6 under the installation.
In the utility model, the upper connecting plate 6-1 is a circular plate, and pull rod holes II 6-1-1 (for smoothly mounting the pull rods 5) matched with the number and the diameter of the pull rods are processed on the upper connecting plate 6-1; and a circle of annular reinforcing coamings 6-2 which are lapped with the upper ends of the reinforcing rib plates 6-3 are fixed at the edges of the bottom surfaces of the upper connecting plates 6-1 (the rigidity of the upper connecting plates 6-1 is enhanced, so that the upper connecting plates 6-1 can keep no deformation when bearing large load and can bear a large-tonnage anti-pulling test).
In the utility model, the lower anchoring plate 6-6 is a circular plate, a plurality of guide grooves 6-6-1 (used for adjusting the anchoring position of the uplift pile extension steel bar 7, ensuring that the uplift pile extension steel bar 7 is in a vertical state and improving the test accuracy) with openings at the edge and in a key groove structure extending inwards along the radius direction are processed on the lower anchoring plate 6-6 in a circumferential and uniform distribution mode, the number and the width of the guide grooves 6-6-1 are not less than the number and the diameter of the uplift pile extension steel bar 7 (the fixing and the clamping of the uplift pile extension steel bars 7 with various diameter specifications and length specifications can be met by replacing clamping pieces in the anchorage devices 6-4, the application range and the universality of the utility model are greatly improved, the on-site welding of the steel bars is avoided, and the on-site detection is convenient); and a plurality of annular limiting blocks 6-5 which are overlapped with the lower end heads of the reinforcing rib plates 6-3 are fixed at the edges of the bottom surfaces of the lower anchoring plates 6-6 (on one hand, the phenomenon that the anchorage device 6-4 slides out of the guide groove 6-6-1 due to uneven stress of the extension reinforcing steel bars 7 of the uplift pile is avoided, and on the other hand, the rigidity of the lower anchoring plates 6-6 is enhanced, so that the lower anchoring plates 6-6 are kept not to deform when bearing large load).
The utility model discloses in the bottom both ends of girder steel 2 are supported there is concrete buttress 1 (be used for supporting girder steel 2) the middle part processing of girder steel 2 has the screw rod hole II 2-1 (be used for wearing to adorn interim installation screw rod, will go up anchor arm-tie 4 through interim installation screw rod and fix temporarily in the top of girder steel 2 at the equipment initial stage, makes things convenient for smooth installation of pull rod 5 and lower anchor arm-tie subassembly 6, prevents the landing of anchor arm-tie 4 unstability under the installation at the in-process of anchor arm-tie subassembly 6.
The utility model discloses in the upper end of pull rod 5 is passed through nut 8 and is fastened continuously with last anchor arm-tie 4 (can adjust the height of going up anchor arm-tie 4 through nut 8 to the height of adaptation jack 3; also be convenient for quick dismantlement and installation simultaneously), and the lower extreme of pull rod 5 passes through nut 8 and upper junction plate 6-1 fastening and links to each other (confirm the high position of anchor arm-tie subassembly 6 down according to the reserve length of uplift pile extension reinforcing bar 7, and the high position of anchor arm-tie subassembly 6 down can be adjusted through nut 8, has satisfied the experimental demand of different length uplift pile extension reinforcing bar 7 like this).
The utility model discloses a concrete in service behavior as follows:
firstly, symmetrically placing two concrete buttresses 1 on two sides of an uplift pile 9, wherein the two concrete buttresses are collinear, and the distance between each concrete buttress 1 and the uplift pile 9 is not less than four times of the diameter of the uplift pile 9; then, placing the steel beam 2 on the top surface of the concrete buttress 1, wherein the center of the uplift pile 9 is over against the center of the steel beam 2; then, temporary mounting screws penetrate through screw holes I4-2 in the upper anchor plate 4 and screw holes II 2-1 in the steel beam 2, nuts are screwed at two ends, and the upper anchor plate 4 is temporarily fixed above the steel beam 2 through the temporary mounting screws in the initial assembly stage; then, a pull rod 5 penetrates through a pull rod hole I4-1 of the upper anchor plate 4, and a nut 8 is screwed down to fix the upper end of the pull rod 5 on the upper anchor plate 4; then, the lower end of a pull rod 5 penetrates through a pull rod hole II 6-1-1 of an upper connecting plate 6-1 in a lower anchoring assembly 6, each uplift pile extension reinforcing steel bar 7 penetrates through a guide groove 6-6-1 in the lower anchoring assembly 6 at the position corresponding to the lower anchoring plate 6-6, the height position of the lower anchoring assembly 6 is determined according to the reserved length of the uplift pile extension reinforcing steel bar 7, the height position of the lower anchoring assembly 6 can be adjusted and fixed through a nut 8, namely the bottom end of the pull rod 5 and the bottom surface of the upper connecting plate 6-1 are fastened together through the nut 8; an anchorage device 6-4 is arranged on the upper surface of the lower anchoring plate 6-6 and in the interval between every two adjacent reinforcing rib plates 6-3, and the upper end of an uplift pile extension reinforcing steel bar 7 which extends upwards through the corresponding guide groove 6-6-1 is fixed and clamped by the anchorage device 6-4; next, a displacement sensor 10 is erected on the top surface of the uplift pile 9, a jack 3 is placed in the center of the top surface of the steel beam 2, and the temporary mounting screw is removed after the top surface of the jack 3 contacts the bottom surface of the upper anchor plate 4; finally, start jack 3 and carry out the jacking and just can begin the testing of resistance to plucking bearing capacity: the jack applies upward load to the upper anchor plate when jacking, the load is transmitted to the lower anchor assembly from the upper anchor plate through the pull rod, the lower anchor assembly is connected with the uplift pile extension steel bar through an anchorage device, and the load is transmitted to the uplift pile extension steel bar and the uplift pile from the lower anchor assembly, so that the uplift pile is driven to be uplifted through the load transmission under the power action of the jack, the uplift quantity is measured and recorded through a displacement sensor arranged at the top of the uplift pile, the uplift quantity after each stage of loading is observed whether to reach the stable standard or not through applying graded load and recording the uplift quantity for a plurality of times of uplift piles, and whether the total uplift quantity meets the design and specification requirements or not is judged, and the uplift bearing capacity is detected.
Claims (6)
1. The utility model provides a test device for detecting vertical resistance to plucking bearing capacity of resistance to plucking pile which characterized in that: the testing device comprises a steel beam (2) transversely erected right above an uplift pile (9), a jack (3) seated on the top surface of the steel beam, an upper anchoring plate (4) supported on the top surface of the jack, a plurality of pull rods (5) with the upper ends connected with the upper anchoring plate and vertically downward, a lower anchoring assembly (6) hung at the bottom ends of the pull rods (5), and a displacement sensor (10); the lower anchoring component (6) is a circular truncated cone-shaped structure which is formed by taking an upper connecting plate (6-1) as a top surface, a lower anchoring plate (6-6) as a bottom surface and reinforcing rib plates (6-3) which are obliquely supported and circumferentially arranged in a circle at the edges of the upper connecting plate and the anchoring plate as side surfaces, a cylindrical reinforcing barrel (6-7) is embedded in the center of the circular truncated cone-shaped structure, and an anchorage device (6-4) is arranged on the upper surface of the lower anchoring plate (6-6) and in an interval between every two adjacent reinforcing rib plates (6-3).
2. The test device for detecting the vertical pulling-resistant bearing capacity of the pulling-resistant pile according to the claim 1 is characterized in that: the upper anchor plate (4) is a square plate, pull rod holes I (4-1) matched with the number and the diameter of the pull rods are processed on the upper anchor plate (4), and screw rod holes I (4-2) used for penetrating and installing temporary installation screws are processed on the upper anchor plate (4).
3. The test device for detecting the vertical pulling-resistant bearing capacity of the pulling-resistant pile according to the claim 1 is characterized in that: the upper connecting plate (6-1) is a circular plate, and pull rod holes II (6-1-1) matched with the number and the diameter of the pull rods are processed on the upper connecting plate (6-1); a circle of annular reinforcing coaming (6-2) which is lapped with the upper end of the reinforcing rib plate (6-3) is fixed at the edge of the bottom surface of the upper connecting plate (6-1).
4. The test device for detecting the vertical pulling-resistant bearing capacity of the pulling-resistant pile according to the claim 1 is characterized in that: the lower anchoring plate (6-6) is a circular plate, a plurality of guide grooves (6-6-1) which are provided with openings at the edges and extend inwards in the radius direction to form a key groove structure are machined on the lower anchoring plate (6-6) in a circumferential and uniform distribution mode, and the number and the width of the guide grooves (6-6-1) are not less than the number and the diameter of the anti-pull pile extension reinforcing steel bars (7); a plurality of sections of annular limiting blocks (6-5) which are lapped with the lower end of the reinforcing rib plate (6-3) are fixed on the bottom surface edge of the lower anchoring plate (6-6).
5. The test device for detecting the vertical pulling-resistant bearing capacity of the pulling-resistant pile according to the claim 1 is characterized in that: concrete buttresses (1) are supported at two ends of the bottom of the steel beam (2), and a screw hole II (2-1) for penetrating and installing a temporary mounting screw is processed in the middle of the steel beam (2).
6. The test device for detecting the vertical pulling-resistant bearing capacity of the pulling-resistant pile according to the claim 1 is characterized in that: the upper end of the pull rod (5) is fixedly connected with the upper anchor pull plate (4) through a nut (8), and the lower end of the pull rod (5) is fixedly connected with the upper connecting plate (6-1) through the nut (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022352685.XU CN213539097U (en) | 2020-10-21 | 2020-10-21 | Test device for detecting vertical uplift bearing capacity of uplift pile |
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| CN202022352685.XU CN213539097U (en) | 2020-10-21 | 2020-10-21 | Test device for detecting vertical uplift bearing capacity of uplift pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957896A (en) * | 2021-10-28 | 2022-01-21 | 石旷 | Pile pulling device with real-time pile pulling direction correction function and pile pulling method thereof |
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2020
- 2020-10-21 CN CN202022352685.XU patent/CN213539097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957896A (en) * | 2021-10-28 | 2022-01-21 | 石旷 | Pile pulling device with real-time pile pulling direction correction function and pile pulling method thereof |
| CN113957896B (en) * | 2021-10-28 | 2022-12-30 | 石旷 | Pile pulling device with real-time pile pulling direction correction function and pile pulling method thereof |
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Address after: No.26, Huahua Road, high tech Development Zone, Zhengzhou, Henan Province, 450001 Patentee after: Sinosteel Zhengzhou metal products Research Institute Co.,Ltd. Patentee after: SINOSTEEL GROUP NANJING NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. Address before: No.26, Huahua Road, high tech Development Zone, Zhengzhou, Henan Province, 450001 Patentee before: SINOSTEEL ZHENGZHOU RESEARCH INSTITUTE OF STEEL WIRE & STEEL PRODUCTS Co.,Ltd. Patentee before: SINOSTEEL GROUP NANJING NEW MATERIAL RESEARCH INSTITUTE Co.,Ltd. |