CN211690367U - Chair type double-row pile - Google Patents
Chair type double-row pile Download PDFInfo
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- CN211690367U CN211690367U CN201922500241.3U CN201922500241U CN211690367U CN 211690367 U CN211690367 U CN 211690367U CN 201922500241 U CN201922500241 U CN 201922500241U CN 211690367 U CN211690367 U CN 211690367U
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Abstract
The utility model relates to a excavation supporting's technical field discloses a chair formula double row pile, include: the rear-row supporting structure comprises a plurality of rear-row supporting piles arranged at intervals, a rear-row waist beam is arranged in the middle of the rear-row supporting structure and extends along the arrangement direction of the rear-row supporting piles, and the rear-row supporting structure is arranged at the edge of a foundation pit; the front-row supporting structure comprises a plurality of front-row supporting piles arranged at intervals, the front-row supporting structure and the rear-row supporting structure are arranged in parallel at intervals, a front-row crown beam is arranged at the top of the front-row supporting structure and connected with the rear-row waist beam through a connecting beam, and the front-row supporting structure is arranged on one side, facing the inside of a foundation pit, of the rear-row supporting structure. The chair type double-row pile provided by the technical proposal of the utility model has low manufacturing cost.
Description
Technical Field
The patent of the utility model relates to a excavation supporting's technical field particularly, relates to a chair form double row pile.
Background
With the rapid development of urban construction, deep foundation pit supporting projects are more and more, and due to the advantages of high economic superiority, high construction efficiency and the like of a pile-anchor supporting structural form, the deep foundation pit supporting projects are more and more used in the foundation pit supporting projects.
In the prior art, in order to increase the supporting strength, a double-row pile supporting structure is used for supporting a foundation pit, that is, two rows of supporting piles arranged at intervals are arranged before the foundation pit is excavated so as to support the side wall of the foundation pit, and the width of the double-row pile is widened along with the depth of the foundation pit.
However, although the double-row pile supporting structure can increase the supporting strength, it needs to provide two rows of supporting piles penetrating to the bottom of the foundation pit, and the construction is slow, and the number of the supporting piles in each row is large, so the construction cost is high, and the construction of supporting the deep foundation pit is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chair form double row pile aims at solving prior art, and double row pile cost is expensive problem.
The utility model discloses a realize like this, a chair form double row pile, include:
the rear-row supporting structure comprises a plurality of rear-row supporting piles arranged at intervals, a rear-row waist beam is arranged in the middle of the rear-row supporting structure and extends along the arrangement direction of the rear-row supporting piles, and the rear-row supporting structure is arranged at the edge of a foundation pit;
the front-row supporting structure comprises a plurality of front-row supporting piles arranged at intervals, the front-row supporting structure and the rear-row supporting structure are arranged in parallel at intervals, a front-row crown beam is arranged at the top of the front-row supporting structure and connected with the rear-row waist beam through a connecting beam, and the front-row supporting structure is arranged on one side, facing the inside of a foundation pit, of the rear-row supporting structure.
Optionally, a back row crown beam is arranged at the top of the back row supporting structure, and the back row crown beam is connected with the back row supporting piles.
Optionally, a plurality of rear row crown beam anchor cables are arranged on the rear row crown beams, and the fixed sections of the rear row crown beam anchor cables penetrate through the hard rock-soil layer on the side wall of the foundation pit.
Optionally, the back row wale is connected a plurality of back row fender pile, be equipped with a plurality of back row wale anchor cables on the back row wale, the fixed section of back row wale anchor cable is worn to locate in the hard ground layer of foundation ditch lateral wall.
Optionally, each rear row wale anchor cable is arranged between gaps of adjacent rear row support piles.
Optionally, the rear row girt anchor cable and the rear row crown beam anchor cable are arranged in parallel.
Optionally, the front row crown beams are connected with a plurality of the front row support piles, a plurality of front row crown beam anchor cables are arranged on the front row crown beams, and the fixed sections of the front row crown beam anchor cables penetrate through the hard rock-soil layer on the side wall of the foundation pit.
Optionally, each front row crown beam anchor cable is arranged between gaps of adjacent front row support piles.
Optionally, each of the rear row of support piles is arranged opposite to one of the front row of support piles.
Optionally, each coupling beam is arranged along the extending direction from the rear row of support piles to the front row of support piles, which are oppositely arranged.
Compared with the prior art, the utility model provides a chair form double row pile, through being connected front stall hat roof beam and back row waist roof beam through linking the roof beam, make front stall supporting construction and back row supporting construction close as a whole, and then support the lateral wall of foundation ditch, support intensity is high, back row supporting construction is higher than front stall supporting construction, need not to set up the supporting pile structure of two looks co-altitude, the cost has been reduced, and the upper portion of foundation ditch is strutted through back row supporting construction, the lower part of foundation ditch is strutted to the combined structure of back row supporting construction and front stall supporting construction, because the upper portion of foundation ditch is less to back row supporting construction's support pressure, consequently, need not double row pile to strut, the lower part of foundation ditch can reach more and strut the same effect with double row pile, therefore for double row pile, the effect can not reduce, but the cost is cheaper. The problem of among the prior art, double row pile cost is expensive is solved.
Drawings
Fig. 1 is a schematic structural view of a chair-type double-row pile according to an embodiment of the present invention;
fig. 2 is a schematic view of a connecting beam arrangement structure of chair-type double-row piles according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to 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 for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The chair type double-row pile provided by the utility model has the advantages of low cost and stable support.
Referring to fig. 1, the preferred embodiment of the present invention is shown.
In the embodiment of the utility model provides an in, this chair form double row pile, include:
the structure comprises a rear row supporting structure, wherein the rear row supporting structure comprises a plurality of rear row supporting piles 11 which are arranged at intervals, a rear row waist beam 113 is arranged in the middle of the rear row supporting structure, the rear row waist beam 113 extends along the arrangement direction of the rear row supporting piles 11, and the rear row supporting structure is arranged at the edge of a foundation pit 17;
the front-row supporting structure comprises a plurality of front-row supporting piles 13 which are arranged at intervals, the front-row supporting structures and the rear-row supporting structures are arranged in parallel at intervals, a front-row crown beam 131 is arranged at the top of the front-row supporting structures, the front-row crown beam 131 is connected with the rear-row waist beam 113 through a connecting beam 15, and the front-row supporting structures are arranged on one side, facing the inside of the foundation pit 17, of the rear-row supporting structures.
The middle of the rear row supporting structure is provided with a rear row waist rail 113, the position of the waist rail is a certain position lower than the top of the rear row supporting structure, and the position of the waist rail is not limited to be positioned at the center or other positions according to actual requirements.
The above-mentioned rear row supporting structure is higher than the front row supporting structure, the front row crown beam 131 is used for connecting the front row piles 13, and the rear row wale 113 is used for connecting the rear row piles 11.
In this way, in this embodiment, the front row crown beam 131 and the rear row waist beam 113 are connected by the coupling beam 15, so that the front row supporting structure and the rear row supporting structure are combined into a whole, and the side wall of the foundation pit 17 is supported, the supporting strength is high, the rear row supporting pile 11 is higher than the front row supporting pile 13, and it is not necessary to provide two supporting pile structures with the same height, so that the manufacturing cost is reduced, and the upper part of the foundation pit 17 is supported by the rear row supporting pile 11, and the combined structure of the rear row supporting pile 11 and the front row supporting pile 13 supports the lower part of the foundation pit 17, because the pressing force of the upper part of the foundation pit 17 against the rear row supporting pile 11 is small, so that it is not necessary to support by the double row piles, and the lower part of the foundation pit 17 can achieve the same effect as the double row pile supporting, so that the effect is not reduced compared with the double row piles, but the manufacturing cost is.
Referring to fig. 1, in an embodiment of the present invention, a back row crown beam 111 is disposed on the top of the back row supporting structure, and the back row crown beam 111 connects a plurality of back row supporting piles 11.
The back row supporting piles 11 arranged at intervals are connected through the back row crown beams 111, so that a back row supporting structure is more integral, the supporting effect is better, and the top of the foundation pit 17 can be prevented from collapsing by the back row crown beams 111.
In addition, a plurality of rear row crown beam anchor cables 1111 are arranged on the rear row crown beams 111, and the fixed sections of the rear row crown beam anchor cables 1111 are arranged in the hard rock layer on the side wall of the foundation pit 17 in a penetrating manner.
And a pulling force is applied to the rear row crown beam 111 through the rear row crown beam anchor cable 1111, so that the supporting effect of the rear row supporting structure is better.
Moreover, the rear row crown anchor cables 1111 are obliquely arranged, the plurality of rear row crown anchor cables 1111 are arranged in parallel, and one surface of the rear row crown beam 111 facing the foundation pit 17 is also obliquely arranged upward, so that the locking structure of the rear row crown anchor cables 1111 abuts against the inclined surface, and the pre-tightening is stable.
In addition, the rear row crown beam anchor cable 1111 is located between the gaps of the rear row support piles 11, so that the rear row crown beam anchor cable 1111 does not need to penetrate through the rear row support piles 11 during construction, and construction is convenient.
Referring to fig. 1, in an embodiment of the present invention, the back row wale 113 is connected to the plurality of back row support piles 11, the back row wale 113 is provided with a plurality of back row wale anchor cables 1131, and the fixing section of the back row wale anchor cable 1131 is inserted into the hard rock layer of the side wall of the foundation pit 17.
The back row wale 113 is arranged on one side of the back row supporting structure facing the inside of the foundation pit 17, and is attached to the plurality of back row supporting piles 11, and in the specific construction process, stirrups are erected on the side edges of the plurality of back row supporting piles 11, and concrete is poured to obtain the back row wale.
Similarly, a tension is applied to the back row wale 113 through the back row wale anchor cable 1131, so that the supporting effect of the back row supporting structure is better.
Moreover, the rear row wale anchor lines 1131 are arranged obliquely, the plurality of rear row wale anchor lines 1131 are arranged in parallel, and one surface of the rear row wale 113 facing the foundation pit 17 is also arranged obliquely upward, so that the locking structure of the rear row wale anchor lines 1131 abuts against the inclined surface, and the pre-tightening is stable.
And, each rear row wale anchor line 1131 is provided between the gaps of the adjacent rear row support piles 11.
Thus, construction and deployment of the rear wale anchor cable 1131 is facilitated. Of course, in other embodiments, the gap between the rear row support piles 11 is not limited to one rear row wale anchor cable 1131, and a plurality of rear row wale anchor cables may be provided as needed.
Further, rear row wale anchor cable 1131 is arranged in parallel with rear row crown anchor cable 1111.
So that the whole stressed direction of the back row supporting structure is the same, the back row supporting structure is prevented from being cracked, and the stability of the structure is ensured.
Of course, in other embodiments, a plurality of rear row supporting anchor cables may be disposed on the plurality of rear row supporting piles 11 at intervals, and the rear row supporting anchor cables are disposed in parallel with the rear row wale anchor cable 1131 and the rear row crown beam anchor cable 1111, so as to further tighten the rear row supporting structure.
The rear row wale 113 has a butt surface with the rear row support piles 11, the butt surface is formed in a rugged shape, and correspondingly, the rear row support piles 11 are fitted with the butt surface, so that the rear row wale 113 can be tightly combined with the rear row support piles 11 to be stably fixed.
Referring to fig. 1, in an embodiment of the present invention, the front row crown beams 131 are connected to a plurality of front row support piles 13, a plurality of front row crown beam anchor cables 1311 are disposed on the front row crown beams 131, and the fixing sections of the front row crown beam anchor cables 1311 are inserted into the hard rock soil layer of the side wall of the foundation pit 17.
The front row of crown beams 131 are arranged at the top of the front row of support piles 13, and a pulling force is applied to the front row of crown beams 131 through the front row of crown beam anchor cables 1311, so that the support effect of the front row of support structure is better.
The front crown anchor lines 1311 are arranged obliquely, the front crown anchor lines 1311 are arranged in parallel, and one surface of the front crown beam 131 facing the inside of the foundation pit 17 is also arranged obliquely upward, so that the locking structure of the front crown anchor lines 1311 abuts against the inclined surface, and the pre-tightening is stable.
And, each front row crown anchor line 1311 is provided between the gaps of the adjacent front row support piles 13.
Thus, during construction, the front row crown beam anchor cable 1311 does not need to penetrate through the rear row support piles 11, and construction is convenient. Of course, in other embodiments, the gap between the front row support piles 13 is not limited to one front row crown anchor cable 1311, and a plurality of front row crown anchor cables may be provided as needed.
Further, front row crown beam anchor cables 1311 are arranged in parallel with rear row wale anchor cables 1131 described above. The front row of supporting structures and the rear row of supporting structures are subjected to the same tension direction, so that the whole structure formed by the front row of supporting structures and the rear row of supporting structures is stable, and tension cracking is avoided.
Of course, in other embodiments, a plurality of front row supporting anchor cables may be disposed on the front row supporting piles 13 at intervals, and the front row supporting anchor cables are disposed in parallel with the front row crown beam anchor cables 1311, so as to further tension the front row supporting structure.
Referring to fig. 1 and 2, in an embodiment of the present invention, each rear row support pile 11 is disposed opposite to a front row support pile 13.
Because the front row of crown beam anchor cables 1311 need to pass through the rear row of supporting structures, the fixed sections of the front row of crown beam anchor cables 1311 are fixed in the hard rock layer on the side wall of the foundation pit 17, so that the structure is convenient for the front row of crown beam anchor cables 1311 to pass through, the rear row of supporting piles 11 cannot influence the construction of the front row of crown beam anchor cables 1311, and the construction is convenient.
In addition, each coupling beam 15 is arranged in the extending direction of the rear row of support piles 11 to the front row of support piles 13 which are oppositely disposed.
The connecting beam 15 extends through the rear row supporting piles 11 and the front row supporting piles 13, so that after the front row supporting structure and the rear row supporting structure are connected, the acting force of the connecting beam 15 can act on the front row supporting piles 13 and the rear row supporting piles 11, the connection is more stable, the connecting beam is not easy to break, and the supporting force is strong.
In another embodiment, a plurality of front row supporting piles 13 and a plurality of rear row supporting piles 11 are arranged in a staggered manner in sequence, similarly, the coupling beams 15 are arranged along the extending direction of the rear row supporting piles 11 arranged oppositely to the front row supporting piles 13, each front row supporting pile 13 is oppositely provided with two coupling beams 15, each rear row supporting pile 11 is oppositely provided with one coupling beam 15, thus, a plurality of triangles are formed among the coupling beams 15, the rear row wale 113 and the front row crown beam 131, and the supporting structure is more stable because the triangles are more stable than the quadrangles. In addition, in order to facilitate the construction of the front row crown beam anchor cable 1311, the front row crown beam anchor cable 1311 is inserted into the top of the front row support pile 13, so that the front row crown beam anchor cable 1311 can be arranged in parallel with the rear row crown beam anchor cable 1111, and the front row support pile 13 can be further tensioned, so that the supporting strength is improved.
In addition, in the present embodiment, the coupling beam 15 is provided with a first end surface facing the rear row retaining piles 11 and a second end surface facing the front row retaining piles 13, respectively, the first end surface is matched with the inclined surface of the rear row waist beam 113, and the matching position is arranged in an uneven manner, the second end surface is arranged obliquely downwards and is matched with the front row crown beam 131, and the matching position is arranged in an uneven manner. In this way, the position of the coupling beam 15 can be ensured to be stable and inconvenient, so that the structural stability of the front-row supporting structure and the rear-row supporting structure can be ensured.
Furthermore, a plurality of tensioning structures are arranged between the front row top beam 131 and the rear row top beam 111 to further fix the chair-type double-row piles, and in one embodiment, the tensioning structures are plate-shaped structures extending along the rear row supporting piles 11 and the connecting beam 15, and the structures are used for realizing the support of the rear row supporting piles 11 and the connection of the rear row supporting structures and the front row supporting structures so as to realize stable support; in another embodiment, the tensioning structure is a cable bolt structure inserted between the front row of crown beams 131 and the rear row of crown beams 111 to ensure the relative positions of the front row of supporting structures and the rear row of supporting structures are stable.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A chair-type double row pile, comprising:
the rear-row supporting structure comprises a plurality of rear-row supporting piles arranged at intervals, a rear-row waist beam is arranged in the middle of the rear-row supporting structure and extends along the arrangement direction of the rear-row supporting piles, and the rear-row supporting structure is arranged at the edge of a foundation pit;
the front-row supporting structure comprises a plurality of front-row supporting piles arranged at intervals, the front-row supporting structure and the rear-row supporting structure are arranged in parallel at intervals, a front-row crown beam is arranged at the top of the front-row supporting structure and connected with the rear-row waist beam through a connecting beam, and the front-row supporting structure is arranged on one side, facing the inside of a foundation pit, of the rear-row supporting structure;
the top of the rear row supporting structure is provided with a rear row crown beam, and the rear row crown beam is connected with a plurality of rear row supporting piles; and a plurality of rear row crown beam anchor cables are arranged on the rear row crown beams, and the fixed sections of the rear row crown beam anchor cables penetrate through the hard rock-soil layer on the side wall of the foundation pit.
2. The chair-type double-row pile as claimed in claim 1, wherein the back row wale is connected with a plurality of the back row support piles, a plurality of back row wale anchor cables are arranged on the back row wale, and fixing sections of the back row wale anchor cables are arranged in hard rock layers on the side wall of the foundation pit in a penetrating mode.
3. A chair-type double row pile according to claim 2, wherein each rear row wale anchor line is provided between gaps of adjacent rear row support piles.
4. A chair-type double row pile according to claim 2, characterised in that the rear row girt anchor lines are arranged in parallel with the rear row crown beam anchor lines.
5. A chair type double row pile as claimed in any one of claims 1 to 4, wherein the front row of crown beams is connected with a plurality of front row supporting piles, a plurality of front row of crown beam anchor cables are arranged on the front row of crown beams, and the fixed sections of the front row of crown beam anchor cables are arranged in the hard rock soil layer on the side wall of the foundation pit in a penetrating mode.
6. A chair type double row pile according to claim 5, wherein each of said front row crown beam anchor lines is provided between gaps of adjacent said front row support piles.
7. A chair-type double row pile as claimed in any one of claims 1 to 4, wherein each of said rear row of piles is disposed opposite a said front row of piles.
8. A chair-type double row pile according to claim 7, wherein each of said coupling beams is arranged along the extension direction of the opposite rear row of piles to the front row of piles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500241.3U CN211690367U (en) | 2019-12-31 | 2019-12-31 | Chair type double-row pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500241.3U CN211690367U (en) | 2019-12-31 | 2019-12-31 | Chair type double-row pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211690367U true CN211690367U (en) | 2020-10-16 |
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ID=72798487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922500241.3U Active CN211690367U (en) | 2019-12-31 | 2019-12-31 | Chair type double-row pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211690367U (en) |
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2019
- 2019-12-31 CN CN201922500241.3U patent/CN211690367U/en active Active
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