CN109853587B - Row pile supporting structure for straight line section of foundation pit - Google Patents
Row pile supporting structure for straight line section of foundation pit Download PDFInfo
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- CN109853587B CN109853587B CN201910251609.9A CN201910251609A CN109853587B CN 109853587 B CN109853587 B CN 109853587B CN 201910251609 A CN201910251609 A CN 201910251609A CN 109853587 B CN109853587 B CN 109853587B
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Abstract
The invention relates to the technical field of double-row pile supporting of a foundation pit, and discloses a row pile supporting structure for a straight-line section of the foundation pit, which comprises a foundation pit body and at least one double-row pile, wherein the foundation pit body comprises a supporting surface linearly arranged, and each double-row pile is arranged in a row along the supporting surface; the double-row pile comprises two pile bodies arranged side by side and a connecting beam, the two ends of the connecting beam are fixedly arranged with the two pile bodies respectively, each pile body comprises a linear portion and an arc portion, the linear portions and a support face are arranged in parallel, the linear portions are attached to the support face, the arc portions are arranged in an arched manner along the direction deviating from the linear portions, and the two ends of each arc portion are connected with the linear portions respectively. Under the action of the connecting beam, the pile bodies arranged side by side form a whole, so that the supporting strength of the double-row piles is ensured; in addition, under the action of the straight part, the contact area between the pile body and the supporting surface is greatly increased, so that the supporting effect is improved, and under the action of the arc part, the bearing pressure of the pile body is increased, so that the supporting strength of the pile body is improved.
Description
Technical Field
The invention relates to the technical field of foundation pit supporting structures, in particular to a row pile supporting structure for a straight line section of a foundation pit.
Background
Constructing support piles, and arranging the support piles along the side wall of the foundation pit to form a support structure; the common single-row piles and double-row piles are arranged, and the double-row piles are of a supporting and blocking structure consisting of a rigid frame formed by connecting front and rear rows of supporting piles and beams and a crown beam.
At present, in the construction of double-row supporting piles, double-row cylindrical supporting piles are generally adopted, and the scheme is adopted no matter what the shape of a foundation pit is.
In the stress analysis of the actual engineering, the pressure of different positions of the foundation pit on the support pile is different; when the foundation ditch that has the straightway appears, adopt cylindric fender pile, it is little with foundation ditch area of contact, appears warping and displacement easily, simultaneously, very extravagant material.
Disclosure of Invention
The invention aims to provide a row pile supporting structure for a straight-line section of a foundation pit, and aims to solve the problem that in the prior art, the contact area between a supporting pile and the foundation pit is small during foundation pit supporting.
The row pile supporting structure of the straight-line section of the foundation pit comprises a foundation pit body and at least one double-row pile, wherein the foundation pit body comprises a supporting surface which is linearly arranged, and the double-row pile is arranged in a row along the supporting surface; the double-row pile comprises two pile bodies and a connecting beam which are arranged side by side, the two ends of the connecting beam are respectively fixedly arranged with the two pile bodies, each pile body comprises a linear portion and an arc portion, the linear portions are in parallel arrangement with the supporting surfaces, the linear portions are attached to the supporting surfaces, the supporting surfaces deviate from the linear portions in the direction, the arc portions are arranged in an arched shape, and the two ends of the arc portions are respectively connected with the linear portions.
Furthermore, a combination plate is arranged above the double-row piles, and the combination plate is respectively attached and fixed with each double-row pile; the combined plate extends along the arrangement direction of the double-row piles, bending sections are formed at two ends of the combined plate and extend downwards, and the bending sections are attached to the outer surfaces of the arc-shaped parts of the pile bodies.
Further, the two pile bodies are arranged side by side in the front-back direction, and the straight line part of the front pile body is attached to the supporting surface; the combined plate is provided with a lower end face facing the pile body, a longitudinal plate is arranged on the lower end face of the combined plate, the longitudinal plate extends downwards, and the longitudinal plate is attached to the linear portion of the pile body behind the longitudinal plate.
Further, the longitudinal plate is formed with a fixed slot, a slot opening is formed at the lower end of the fixed slot, the connecting beam transversely penetrates through the fixed slot through the slot opening, and the connecting beam and the longitudinal plate are fixedly arranged.
Furthermore, the linear portion of the pile body at the rear side is provided with two raised lines arranged at intervals, the raised lines are arranged in a protruding mode in the direction deviating from the linear portion, one of the raised lines is provided with a side end face facing the other raised line, the inner end of the side end face of the raised line and the linear portion of the pile body are fixedly arranged, and the outer end of the side end face of the raised line is gradually arranged in an inclined mode in the direction deviating from the other raised line.
Furthermore, one end of the connecting beam is fixedly arranged with the linear part of one of the pile bodies, and the other end of the connecting beam is fixedly arranged with the arc-shaped part of the other pile body.
Further, the tie-beam is rectangular form and arranges, follows the width direction of tie-beam, the tie-beam is equipped with at least one first bellying and at least one second bellying, first bellying is along deviating from the second bellying direction is the arch arc and arranges, the second bellying is along deviating from first bellying direction is the arch arc and arranges.
Furthermore, the double-row pile comprises a plurality of connecting beams and a plurality of fixing cables, and the connecting beams are arranged at intervals from top to bottom; two ends of the fixed cables are respectively penetrated and fixedly adjacent to the connecting beams, two fixed cables are arranged between the adjacent connecting beams, and the two fixed cables are arranged in a crossed and staggered mode.
Furthermore, basalt fiber concrete is poured into the upper part of the pile body to form a basalt fiber layer, cement concrete is poured into the lower part of the pile body to form a cement layer, and the basalt fiber layer and the cement layer are in up-down butt joint arrangement.
Further, the range of the basalt fiber layer is 0.8 to 1.2 meters from top to bottom.
Compared with the prior art, the row pile supporting structure for the straight-line section of the foundation pit provided by the invention has the advantages that when the foundation pit support meets the straight-line section, the straight-line supporting surface is supported under the action of each double row pile; the pile bodies arranged side by side form a whole under the action of the connecting beam, so that the supporting strength of the double-row piles is ensured; in addition, under the action of the straight part, the contact area between the pile body and the supporting surface is greatly increased, so that the supporting effect is improved, and under the action of the arc part, the bearing pressure of the pile body is increased, so that the supporting strength of the pile body is improved.
Drawings
FIG. 1 is a schematic top view of a row of pile supporting structures for a straight section of a foundation pit provided by the invention;
FIG. 2 is a schematic top view of a double row of piles of a row pile support structure for a straight section of a foundation pit according to the present invention;
FIG. 3 is a left side view schematically illustrating a row of pile supporting structures for a straight section of a foundation pit according to the present invention;
FIG. 4 is a schematic front view of a row of pile supporting structures for a straight section of a foundation pit provided by the present invention;
FIG. 5 is a schematic top view of a double row of piles of a row pile support structure for a straight section of a foundation pit according to the present invention;
fig. 6 is a schematic top view of another embodiment of a double row of piles of a row pile support structure for a straight section of a foundation pit according to the present invention;
fig. 7 is a left-side view schematically illustrating a pile arrangement supporting structure for a straight section of a foundation pit provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-7, preferred embodiments of the present invention are provided.
The invention provides a row pile supporting structure for a straight-line section of a foundation pit, which is used for solving the problem that the contact area between a supporting pile and the foundation pit is small during foundation pit supporting.
The row pile supporting structure of the straight-line section of the foundation pit comprises a foundation pit body 200 and at least one double-row pile 100, wherein the foundation pit body 200 comprises a supporting surface, the supporting surface is linearly arranged, and each double-row pile 100 is arranged in a row along the supporting surface; the double-row pile 100 comprises two pile bodies 110 and a connecting beam 120, the two pile bodies 110 are arranged side by side, two ends of the connecting beam 120 are fixedly arranged with the two pile bodies 110 respectively, each pile body 110 comprises a linear portion 112 and an arc portion 111, the linear portions 112 and supporting surfaces are arranged in parallel, the linear portions 112 are attached to the supporting surfaces, the arc portions 111 are arranged in an arched shape along the direction deviating from the linear portions 112, and two ends of the arc portions 111 are connected with the linear portions 112 respectively.
According to the row pile supporting structure of the straight-line section of the foundation pit, when the foundation pit is supported and met by the straight-line section, the straight-line supporting surface is supported under the action of each double row pile 100; the pile bodies 110 arranged side by side form a whole under the action of the connecting beam 120, so that the supporting strength of the double-row pile 100 is ensured; further, the contact area between the pile body 110 and the supporting surface is greatly increased by the linear portion 112 to improve the supporting effect, and the bearing force of the pile body 110 is increased by the arc portion 111 to improve the supporting strength of the pile body 110.
The linear part 112 of the pile body 110 is attached to the supporting surface, and the linear part 112 of the pile body 110 and the supporting surface are fixedly arranged, so that the pile body 110 supports the supporting surface.
In this embodiment, the combination plate 300 is disposed above the double-row piles 100, and the combination plate 300 is attached to and fixes each double-row pile 100; the combination plate 300 extends along the arrangement direction of each double row pile 100, and two ends of the combination plate 300 form bending sections, the bending sections extend downwards and are attached to the outer surfaces of the arc-shaped parts 111 of the pile bodies 110.
Under the action of the combination plate 300, all the double-row piles 100 are integrated, so that the supporting capacity of the double-row piles 100 is improved; in addition, under the effect of the bending section, the pile body 110 is effectively prevented from deviating, and the supporting strength of the double-row pile 100 is improved.
The two pile bodies 110 are arranged side by side along the front-back direction, and the straight line part 112 of the front pile body 110 is attached to the supporting surface; the combination plate 300 has a lower end surface facing the pile 110, the lower end surface of the combination plate 300 is provided with a longitudinal plate 400, the longitudinal plate 400 extends downward, and the longitudinal plate 400 is attached to the linear portion 112 of the pile 110 behind.
Under the action of the longitudinal plate 400, the setting stability of the composition plate 300 is enhanced, and the composition plate 300 is prevented from deviating; meanwhile, the connection stability of the combination board 300 and the linear part 112 of the rear pile body 110 is enhanced.
The longitudinal plate 400 is formed with a fixing groove, the lower end of the fixing groove is formed with a notch, the connection beam 120 transversely penetrates through the fixing groove through the notch, and the connection beam 120 and the longitudinal plate 400 are fixedly arranged; in this way, the longitudinal plate 400, the first connecting beam 120 and the first pile body 110 are integrated, so as to enhance the supporting effect of the double-row pile 100.
The combined plate 300 has an upper end surface departing from the pile body 110, the upper end surface of the combined plate 300 is provided with a support rod 800, the lower end of the support rod 800 is hinged with the combined plate 300, and the upper end of the support rod 800 is movably arranged; therefore, when the foundation pit is higher than the pile body 110, the supporting rod 800 is swung, the upper end of the supporting rod 800 abuts against the foundation pit, and the foundation pit is supported.
The upper end of the supporting rod 800 is connected with a supporting plate 820, the supporting plate 820 is arranged in a flat shape, and when the foundation pit is supported by the supporting rod 800, the supporting plate 820 is attached to a supporting surface, so that the contact area is increased, and the supporting effect is improved.
A rotating disc 810 is formed on the upper end face of the combined plate 300, the rotating disc 810 can rotate circumferentially, and the lower end of the supporting rod 800 is hinged with the rotating disc 810 to realize the angle adjustment of the supporting rod 800; when the supporting rod 800 is not needed, the supporting rod 800 is horizontally arranged, and the upper end of the supporting rod 800 is abutted to fix the adjacent pile bodies 110, so that the supporting stability of the adjacent pile bodies 110 is improved.
Specifically, the linear portion 112 of the rear pile body 110 is provided with two convex strips 113 arranged at intervals, the convex strips 113 are arranged in a protruding manner in a direction away from the linear portion 112, one convex strip 113 has a side end surface 114 facing the other convex strip 113, the inner end of the side end surface 114 of the convex strip 113 is fixedly arranged with the linear portion 112 of the pile body 110, the outer end of the side end surface 114 along the convex strip 113 is gradually arranged in an inclined manner in a direction away from the other convex strip 113, and under the action of the two convex strips 113, the supporting strength of the first pile body 110 is enhanced.
One end of the connecting beam 120 is fixedly arranged with the linear part 112 of one pile body 110, and the other end of the connecting beam 120 is fixedly arranged with the arc part 111 of the other pile body 110; under the action of the connecting beam 120, the two pile bodies 110 which are arranged in a row form a whole, so that the supporting effect is improved; in addition, when the foundation pit and the soil layer apply the acting force to the double row pile 100, the acting force is dispersed when the acting force is transmitted from the other end of the connecting beam 120 to the arc-shaped portion 111 of the other pile body 110, thereby improving the effect.
Moreover, the acting force of the soil layer on the double-row piles 100 is applied, and the arc-shaped part 111 of the other first pile body 110 is stressed to disperse the acting force and then transmit the acting force to the first connecting beam 120, so that the support stability of the first connecting beam 120 is improved.
The tie-beam 120 is rectangular form and arranges, and along the width direction of tie-beam 120, tie-beam 120 is equipped with at least one first bellying 121 and at least one second bellying 122, and first bellying 121 is the arch arc along deviating from the direction of second bellying 122 and arranges, and second bellying 122 is the arch arc along deviating from the direction of first bellying 121 and arranges.
The supporting area of the connecting beam 120 is increased, and the supporting effect is improved; meanwhile, under the action of the first protrusion 121 and the second protrusion 122, the acting force applied to the foundation pit and the soil layer can be dispersed, so that the supporting strength of the first pile body 110 is enhanced.
Along the length direction of the connecting beam 120, the first convex parts 121 are arranged at intervals, so that acting forces applied by foundation pits and soil layers are dispersed at multiple levels, and the supporting effect of the pile body 110 is further improved; and the multi-area increases the supporting area, so that the whole stress is more uniform, and the angle piles are more stable.
Along the length direction of the connecting beam 120, the second convex parts 122 are arranged at intervals, so that acting forces applied by foundation pits and soil layers are dispersed at multiple levels, and the supporting effect of the pile body 110 is further improved; and the multi-area increases the supporting area, so that the whole stress is more uniform, and the angle piles are more stable.
Along the width direction of the connecting beam 120, each first protruding portion 121 and each second protruding portion 122 are arranged in a one-to-one correspondence manner, so that the first protruding portions 121 and the second protruding portions 122 are matched to form a larger supporting area, and the supporting effect of the pile body 110 is improved.
Along the width direction of the connecting beam 120, each first protruding portion 121 and each second protruding portion 122 are arranged in a staggered manner, so that the first protruding portions 121 and the second protruding portions 122 are matched to form supporting areas of different levels, and the supporting effect of the pile body 110 is improved.
Along the width direction of the connecting beam 120, the first protrusions 121 are arranged in a strip shape, and the first protrusions 121 are arranged in parallel with the linear portions 112; in this way, the first convex portion 121 and the two straight portions 112 are pressed in multiple layers, so that the supporting effect of the double-row pile 100 is improved.
Along the width direction of the connecting beam 120, the second protruding portions 122 are arranged in a strip shape, and the second protruding portions 122 are arranged in parallel with the linear portions 112; in this way, the second convex portion 122 and the two straight portions 112 are pressed in multiple layers, so that the supporting effect of the double-row pile 100 is improved.
The double-row pile 100 comprises a plurality of connecting beams 120 and a plurality of fixing cables, and the connecting beams 120 are arranged at intervals from top to bottom; two ends of the fixed cables are respectively penetrated and fixed with adjacent connecting beams 120, two fixed cables are arranged between the adjacent connecting beams 120, and the two fixed cables are arranged in a crisscross manner; under the action of the fixing cables, the relative stability of the two pile bodies 110 is enhanced, so that the supporting effect is improved.
Moreover, the fixing cable is in a tensioning state, so that the relative stability of the two pile bodies 110 is improved, and the supporting effect is ensured.
Specifically, basalt fiber concrete is poured into the upper part of the pile body 110 to form a basalt fiber layer, cement concrete is poured into the lower part of the pile body 110 to form a cement layer, and the basalt fiber layer and the cement layer are in up-down butt joint arrangement; under the action of the basalt fiber layer, the impact resistance of the pile body 110 is improved, the brittleness of the pile body is reduced, and the support of the pile body 110 on a foundation pit is ensured.
The basalt fiber layer is poured into the upper part of the pile body 110, and the cement layer is poured into the lower part of the pile body, so that the construction cost is effectively reduced and the construction cost is reduced while the supporting strength and the supporting effect are ensured.
In addition, in the foundation pit support, the stability and the safety of the foundation pit are gradually reduced from bottom to top, and the upper part of the foundation pit is easy to be unstable, deformed and subjected to high pressure, so that the support of the upper part of the foundation pit is ensured under the action of the basalt fiber layer, the overall cost is reduced, and the support of the foundation pit by the pile body 110 is ensured.
The range of the basalt fiber layer is 0.8 to 1.2 meters from top to bottom; the basalt fiber layer is ensured to have enough supporting strength.
The optimal range of the basalt fiber layer is 1 meter, so that the basalt fiber layer has enough supporting strength, and meanwhile, waste is avoided, and the construction cost is reduced.
Along the top-down direction, a plurality of connecting beams 120 are arranged at intervals, and each connecting beam 120 is arranged in parallel and correspondingly; the inclined strut 500 is arranged between the adjacent connecting beams 120, two ends of the inclined strut 500 are respectively connected with the adjacent connecting beams 120, and the inclined strut 500 is obliquely arranged; thereby enabling each supporting beam to form a whole and improving the supporting effect.
One end of the inclined strut 500 forms a first abutting surface which is arranged in a flat shape and is abutted and fixed with the linear part 112 of the rear pile body 110; thereby enhancing the relative stability effect of one end of the inclined strut 500 and the rear pile body 110.
The other end of the diagonal brace 500 forms a second butt joint surface, the second butt joint surface is arranged in an arc shape, and the second butt joint surface is attached and fixed to the arc-shaped part 111 of the front pile body 110; thereby enhancing the relative stability effect of the other end of the diagonal brace 500 and the front pile body 110.
Along the top-down direction, the inclined supporting rods 500 are arranged in a wave shape in sequence; thus, the supporting strength of each diagonal brace 500 is better, and the overall supporting strength is improved.
The plurality of double-row piles 100 are arranged in rows, the adjacent connecting beams 120 are provided with connecting rods 600, and two ends of each connecting rod 600 are respectively fixedly arranged with the adjacent connecting beams 120; thus, the double-row piles 100 are integrated, and the overall supporting effect is improved.
The connecting beams 120 are arranged from top to bottom at intervals in sequence; the connecting beams 120 and the connecting rods 600 form a joint, the double-row piles 100 comprise two reinforcing rods 700, the upper ends of the reinforcing rods 700 are connected with the joint, and the lower ends of the reinforcing rods 700 are connected with the connecting beams 120 below the adjacent connecting beams; thereby playing a reinforcing role and enhancing the overall stability of the adjacent double row piles 100.
The adjacent connecting beams 120, the two reinforcing rods 700 and the connecting rods 600 form a ladder-shaped arrangement, so that the pressure bearing capacity is higher, and the supporting strength of the double-row piles 100 is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The row pile supporting structure of the straight-line section of the foundation pit is characterized by comprising a foundation pit body and at least one double-row pile, wherein the foundation pit body comprises a supporting surface which is linearly arranged, and the double-row pile is arranged in a row along the supporting surface; the double-row pile comprises two pile bodies and a connecting beam which are arranged side by side, the two ends of the connecting beam are respectively fixedly arranged with the two pile bodies, each pile body comprises a linear portion and an arc portion, the linear portions are in parallel arrangement with the supporting surfaces, the linear portions are attached to the supporting surfaces, the supporting surfaces deviate from the linear portions in the direction, the arc portions are arranged in an arched shape, and the two ends of the arc portions are respectively connected with the linear portions.
2. The pile support structure for the straight section of the foundation pit according to claim 1, wherein a combination plate is arranged above the double-row piles, and the combination plate is attached and fixed to each double-row pile; the combined plate extends along the arrangement direction of the double-row piles, bending sections are formed at two ends of the combined plate and extend downwards, and the bending sections are attached to the outer surfaces of the arc-shaped parts of the pile bodies.
3. The pile support structure for the straight section of a foundation pit according to claim 2, wherein two pile bodies are arranged side by side in the front-rear direction, and the straight section of the front pile body is fitted to the support surface; the combined plate is provided with a lower end face facing the pile body, a longitudinal plate is arranged on the lower end face of the combined plate, the longitudinal plate extends downwards, and the longitudinal plate is attached to the linear portion of the pile body behind the longitudinal plate.
4. The piling support structure of the straight section of the foundation pit of claim 3, wherein the longitudinal plate is formed with a fixing groove, a notch is formed at a lower end of the fixing groove, the connection beam transversely penetrates the fixing groove through the notch, and the connection beam is fixedly arranged with the longitudinal plate.
5. The pile support structure for the straight section of the foundation pit according to claim 3, wherein the rear straight section of the pile body is provided with two spaced ribs which are arranged in a protruding manner in a direction away from the straight section, one of the ribs has a side end surface facing the other rib, an inner end of the side end surface of the rib is fixedly arranged with the straight section of the pile body, and an outer end of the side end surface of the rib is gradually arranged in an inclined manner in a direction away from the other rib.
6. The pile support structure for the straight section of a foundation pit according to any one of claims 1 to 5, wherein one end of the connection beam is fixedly arranged with the straight section of one of the piles, and the other end of the connection beam is fixedly arranged with the arc section of the other pile.
7. The piling supporting structure of the straight section of the foundation pit according to any one of claims 1 to 5, wherein the connecting beam is arranged in an elongated shape, and in the width direction of the connecting beam, the connecting beam is provided with at least one first convex portion and at least one second convex portion, the first convex portion is arranged in an arched arc shape in a direction away from the second convex portion, and the second convex portion is arranged in an arched arc shape in a direction away from the first convex portion.
8. The pile-arranging support structure for the straight section of the foundation pit according to any one of claims 1 to 5, wherein the double-row pile comprises a plurality of the connecting beams and a plurality of fixing cables, and the connecting beams are arranged at intervals from top to bottom; two ends of the fixed cables are respectively penetrated and fixedly adjacent to the connecting beams, two fixed cables are arranged between the adjacent connecting beams, and the two fixed cables are arranged in a crossed and staggered mode.
9. The pile arranging and supporting structure for the straight section of the foundation pit according to any one of claims 1 to 5, wherein the upper part of the pile body is poured with basalt fiber concrete to form a basalt fiber layer, the lower part of the pile body is poured with cement concrete to form a cement layer, and the basalt fiber layer and the cement layer are arranged in an up-and-down butt joint mode.
10. The pile support structure for the straight section of the foundation pit according to claim 9, wherein the basalt fiber layer ranges from 0.8 to 1.2 m in a top-down direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251609.9A CN109853587B (en) | 2019-03-29 | 2019-03-29 | Row pile supporting structure for straight line section of foundation pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251609.9A CN109853587B (en) | 2019-03-29 | 2019-03-29 | Row pile supporting structure for straight line section of foundation pit |
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| CN109853587A CN109853587A (en) | 2019-06-07 |
| CN109853587B true CN109853587B (en) | 2020-11-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2356647A (en) * | 1999-11-27 | 2001-05-30 | Kvaerner Cementation Found Ltd | Capping a pile wall |
| CN202936797U (en) * | 2012-12-05 | 2013-05-15 | 昆明理工大学 | Double-row pile supporting structure with inclined struts |
| CN203007933U (en) * | 2012-12-31 | 2013-06-19 | 建华建材（中国）投资有限公司 | Compound reinforcing bar non-round concrete precast pile |
| CN205712122U (en) * | 2016-04-18 | 2016-11-23 | 中国建筑股份有限公司 | A kind of truss-like double-row pile associating suspension roof support system |
| CN206529770U (en) * | 2017-02-28 | 2017-09-29 | 江苏东合南岩土科技股份有限公司 | A kind of special-shaped steel pile casting |
-
2019
- 2019-03-29 CN CN201910251609.9A patent/CN109853587B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2356647A (en) * | 1999-11-27 | 2001-05-30 | Kvaerner Cementation Found Ltd | Capping a pile wall |
| CN202936797U (en) * | 2012-12-05 | 2013-05-15 | 昆明理工大学 | Double-row pile supporting structure with inclined struts |
| CN203007933U (en) * | 2012-12-31 | 2013-06-19 | 建华建材（中国）投资有限公司 | Compound reinforcing bar non-round concrete precast pile |
| CN205712122U (en) * | 2016-04-18 | 2016-11-23 | 中国建筑股份有限公司 | A kind of truss-like double-row pile associating suspension roof support system |
| CN206529770U (en) * | 2017-02-28 | 2017-09-29 | 江苏东合南岩土科技股份有限公司 | A kind of special-shaped steel pile casting |
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| CN109853587A (en) | 2019-06-07 |
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