CN112459093B - Steel sheet pile, steel sheet pile cofferdam and construction method of steel sheet pile cofferdam - Google Patents
Steel sheet pile, steel sheet pile cofferdam and construction method of steel sheet pile cofferdam Download PDFInfo
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- CN112459093B CN112459093B CN202011368922.XA CN202011368922A CN112459093B CN 112459093 B CN112459093 B CN 112459093B CN 202011368922 A CN202011368922 A CN 202011368922A CN 112459093 B CN112459093 B CN 112459093B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a steel sheet pile, a steel sheet pile cofferdam and a construction method of the steel sheet pile cofferdam; the steel sheet pile includes: the steel sheet pile comprises a steel sheet pile body and a steel sheet pile body, wherein the steel sheet pile body comprises two connecting end surfaces which are oppositely arranged; the male connector is arranged on one of the connecting end surfaces in a protruding mode; arranging a first connecting block and a second connecting block on the male connector, wherein the first connecting block and the second connecting block are arranged in a staggered manner; the female joint is convexly arranged on the other connecting end face; a groove is formed in one end, far away from the connecting end face, of the female joint, and a third connecting block and a fourth connecting block are arranged in the groove; the third connecting block and the fourth connecting block are arranged in a staggered mode; through first connecting block and second connecting block on the male joint with female joint is last the third connecting block reaches the fourth connecting block mutually supports the joint and is in the same place, reaches more firm joint mode, in the use, the male joint with female joint is difficult to receive the damage.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a steel sheet pile, a steel sheet pile cofferdam and a construction method of the steel sheet pile cofferdam.
Background
Traditional steel sheet pile is through linking together a plurality of steel sheet piles, forms a cofferdam to support in a plurality of steel sheet piles internal support, consolidate the stability of cofferdam.
In the traditional steel sheet pile, a bent groove is formed at the joint of the steel sheet piles, a bent bulge is formed on the corresponding other steel sheet pile, and the bent bulge is clamped in the bent groove, so that the two steel sheet piles are connected in a sealing manner, and the water stopping effect is achieved; however, the bending groove is easy to deform under stress in the using process, so that a gap appears at the joint of the steel sheet piles, and the practicability of the cofferdam is affected.
Disclosure of Invention
The embodiment of the invention mainly aims to provide a steel sheet pile, a steel sheet pile cofferdam and a construction method of the steel sheet pile cofferdam, aiming at improving the defect that the joint of the steel sheet pile is easy to deform.
The technical solution for solving the above technical problems is to provide a steel sheet pile, which includes: the steel sheet pile comprises a steel sheet pile body and a steel sheet pile body, wherein the steel sheet pile body comprises two connecting end surfaces which are oppositely arranged; the male connector is convexly arranged on one of the connecting end surfaces; arranging a first connecting block and a second connecting block on the male connector, wherein the first connecting block and the second connecting block are arranged in a staggered manner; the female joint is convexly arranged on the other connecting end face; a groove is formed in one end, far away from the connecting end face, of the female joint, and a third connecting block and a fourth connecting block are arranged in the groove; the third connecting block and the fourth connecting block are arranged in a staggered manner; when the male connector is inserted into the groove of the female connector, the first connecting block and the third connecting block are in staggered clamping, and the second connecting block and the fourth connecting block are in staggered clamping.
Further, the first connecting block and the second connecting block respectively extend towards the opposite direction of the male connector; the third connecting block and the fourth connecting block extend towards opposite directions in the groove; when the male connector is inserted into the groove of the female connector, the first connecting block and the third connecting block are clamped in opposite directions, and the second connecting block and the fourth connecting block are clamped in opposite directions.
Further, the third connecting block with the distance of connection terminal surface is less than the fourth connecting block with the distance of connection terminal surface, the third connecting block with the clearance that forms between the fourth connecting block is greater than the size of first connecting block or the cross section of second connecting block, be equipped with the third connecting block be equipped with the breach on the lateral wall of female joint be used for with first connecting block with the second connecting block is followed breach department gets into in the recess.
Further, set up on the female joint with female joint swivelling joint rotary support spare, rotary support spare with breach looks adaptation, rotary support spare rotate to when the breach, seal the breach, rotary support spare rotates to when keeping away from the position of breach, opens the breach.
Further, the steel sheet pile further includes: and the vertical detection piece is arranged on the steel sheet pile body.
The invention also provides a steel sheet pile cofferdam, which comprises: the guide piles are used for being inserted into a soil layer and are sequentially arranged and enclosed to form a preset shape; each guide beam is connected with at least two guide piles so as to connect two adjacent guide piles, the shape of the fence is a preset shape, and a plurality of limiting parts are arranged along the length direction of the guide beam; the steel sheet piles are sequentially arranged on the fence and are limited by the limiting parts, and the steel sheet piles are sequentially connected along the fence to form the cofferdam.
Further, the steel sheet pile cofferdam still includes: the inner support is connected to the plurality of steel sheet piles and fixes the plurality of steel sheet piles together; and the balance sandbags are arranged on the steel sheet piles and are positioned on the inner side and the outer side of the cofferdam.
Further, the steel sheet pile cofferdam still includes: and the steel support is arranged in the cofferdam.
The invention also provides a construction method of the steel sheet pile cofferdam, which comprises the following steps:
respectively fixing guide piles at preset positions, and arranging at least one guide beam between every two adjacent guide piles;
inserting a plurality of steel sheet piles into soil in sequence along the limiting positions of the limiting pieces of the guide beams to form the cofferdam;
and arranging an inner support in the cofferdam.
Further, the step of sequentially inserting a plurality of steel sheet piles into the soil along the limiting positions of the limiting parts of the guide beams to form the cofferdam comprises:
hoisting the steel sheet pile, aligning the position of the limiting piece, moving the steel sheet pile to the direction of the soil layer, and inserting the steel sheet pile into the soil;
and hoisting the other steel plate pile, aligning the male joint of the other steel plate pile to be inserted into the female joint of the steel plate pile in the drawing, aligning the position of the adjacent limiting piece, and inserting the steel plate pile into the soil.
The embodiment of the invention provides a steel sheet pile, a steel sheet pile cofferdam and a construction method of the steel sheet pile cofferdam; the male joint and the female joint are respectively arranged on two connecting end faces of the steel sheet pile body; through first connecting block and second connecting block on the male joint with female joint is last the third connecting block reaches the fourth connecting block mutually supports the joint and is in the same place, reaches more firm joint mode, in the use, the male joint with female joint is difficult to receive the damage.
Drawings
FIG. 1 is a schematic structural view of a steel sheet pile according to the present invention;
FIG. 2 is a schematic view of the connection between the male connector and the female connector according to the present invention;
FIG. 3 is a schematic structural view of the connection state of the male connector and the female connector according to the present invention;
fig. 4 is a schematic structural view of the steel sheet pile cofferdam of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
14 | |
| 11 | Steel sheet pile body | 15 | |
| 12 | |
21 | |
| 121 | First connecting |
22 | |
| 122 | Second connecting |
31 | |
| 13 | |
132 | Fourth connecting |
| 131 | Third connecting |
133 | Rotary support |
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 technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 2, a steel sheet pile 100 includes: the steel sheet pile comprises a steel sheet pile body 11, wherein the steel sheet pile body 11 comprises two connecting end surfaces which are oppositely arranged; the male connector 12 is convexly arranged on one of the connection end surfaces; a first connecting block 121 and a second connecting block 122 are arranged on the male connector 12, and the first connecting block 121 and the second connecting block 122 are arranged in a staggered manner; the female joint 13 is convexly arranged on the other connecting end face; a groove 14 is formed at one end of the female joint 13 far away from the connecting end surface, and a third connecting block 131 and a fourth connecting block 132 are arranged in the groove 14; the third connecting block 131 and the fourth connecting block 132 are arranged in a staggered manner; when the male connector 12 is inserted into the groove of the female connector 13, the first connecting block 121 and the third connecting block 131 are engaged in a staggered manner, and the second connecting block 122 and the fourth connecting block 132 are engaged in a staggered manner.
In this embodiment, the traditional steel sheet pile adopts a single-layer fastening manner, so that the connection portion of the steel sheet pile is easily damaged in the using process, the sealing performance between the steel sheet piles is affected, and a certain influence is caused on the construction environment; the invention provides a steel sheet pile 100, wherein a male joint 12 and a female joint 13 are respectively arranged on two connecting end surfaces of a steel sheet pile body 11; through first connecting block 121 and second connecting block 122 on the male joint 12 with on the female joint 13 third connecting block 131 with fourth connecting block 132 mutually supports the joint and is in the same place, reach more firm joint mode, in the use, male joint 12 with female joint 13 is difficult to receive the damage.
Specifically, the male connector 12 is provided with a first connecting block 121 and a second connecting block 122, the first connecting block 121 and the second connecting block 122 are arranged in a reverse manner, and the first connecting block 121 and the second connecting block 122 are arranged in a staggered manner, so that a firmer fixing mode can be formed; be equipped with third connecting block 131 and fourth connecting block 132 on female joint 13, third connecting block 131 with fourth connecting block 132 sets up in opposite directions, third connecting block 131 with fourth connecting block 132 dislocation set, the dislocation interval of first connecting block 121 with second connecting block 122 with third connecting block 131 with the dislocation interval size of fourth connecting block 132 is the same, when first connecting block 121 with third connecting block 131 block together, second connecting block 122 with fourth connecting block 132 also can just be in the joint together.
In a possible embodiment, when the connection between the steel sheet pile 100 and the steel sheet pile 100 is formed by moving one of the connection end surfaces of the steel sheet pile 100 to the other connection end surface of the other steel sheet pile 100, the distance between the third connecting block 131 and the fourth connecting block 132 of the female connector 13 is greater than the radius of the first connecting block 121 or the second connecting block 122, so that the first connection block 121 and the second connection block 122 can pass through the gap between the third connection block 131 and the fourth connection block 132 to reach the groove formed by the third connection block 131 and the fourth connection block 132, after the rotation, the first connecting block 121 and the third connecting block 131 are clamped together, the second connecting block 122 and the fourth connecting block 132 are clamped together, so that the position between the two steel sheet piles 100 is not changed.
In a possible embodiment, when the male connector 12 of one steel sheet pile 100 is directly inserted into the groove of the female connector 12 of another steel sheet pile 100, the distance between the third connecting block 131 and the fourth connecting block 132 of the female connector 13 is smaller than the radius of the first connecting block 121 or the second connecting block 122, so that when the steel sheet piles 100 are inclined, the connection between the male connector 12 and the female connector 13 is not changed.
Further, as shown in fig. 1-2, the first connection block 121 and the second connection block 122 respectively extend toward the opposite directions of the male connector 12; the third connecting block 131 and the fourth connecting block 132 extend in opposite directions in the groove 14; when the male connector 12 is inserted into the groove 14 of the female connector 13, the first connecting block 121 and the third connecting block 131 are engaged with each other in a staggered manner, and the second connecting block 122 and the fourth connecting block 132 are engaged with each other in a staggered manner.
It should be noted that, in this embodiment, the first connecting block 121 and the second connecting block 122 extend toward the opposite direction of the male connector 12, and the first connecting block 121 and the second connecting block 122 are arranged opposite to each other and are opposite to the third connecting block 131 and the fourth connecting block 132, which are in staggered engagement with each other, so that a steel sheet pile 100 is firmly connected to another steel sheet pile 100, and the steel sheet pile is not easily loosened or deviated.
Further, as shown in fig. 1-2, a distance between the third connecting block 131 and the connecting end surface is smaller than a distance between the fourth connecting block 132 and the connecting end surface, a gap formed between the third connecting block 131 and the fourth connecting block 132 is larger than a size of a cross section of the first connecting block 121 or the second connecting block 122, and a notch is formed in a side wall of the female joint 13 provided with the third connecting block 131, and the notch is used for allowing the first connecting block 121 and the second connecting block 122 to enter the groove 14 from the notch.
In this embodiment, in order to enable the first connection block 121 and the second connection block 122 to be inserted into the groove 14 from the direction of the connection end surface, the gap formed between the third connection block 131 and the fourth connection block 132 is larger than the cross section of the first connection block 121 or the second connection block 122, so that the first connection block 121 and the second connection block 122 can be smoothly inserted into the groove 14 from the gap between the third connection block 131 and the fourth connection block 132, when the first connection block 121 and the second connection block 122 are disassembled into the groove 14, the first connection block 121 or the second connection block 122 far from the connection end surface first passes through the gap between the third connection block 131 and the fourth connection block 132, and the male joint 12 is rotated so that the first connection block 121 or the second connection block 122 near the connection end surface is also inserted into the concave groove 122 The groove 14 is formed such that the entire first and second connection blocks 121 and 122 are inserted into the groove 14 and connected to the third and fourth connection blocks 131 and 132, respectively.
Further, as shown in fig. 1-2, a rotating support 133 rotatably connected to the female connector 13 is disposed on the female connector 13, the rotating support 133 is adapted to the notch, the notch is sealed when the rotating support 133 rotates to the notch, and the notch is opened when the rotating support 133 rotates to a position away from the notch.
In this embodiment, in order to enable the first connecting block 121 and the second connecting block 122 on the male joint 12 to be inserted into the groove 14 from the direction of the connecting end surface, the notch is provided on the female joint 13, after the first connecting block 121 and the second connecting block 122 are inserted into the groove 14 from the direction of the connecting end surface, in order to ensure the firm connection between the steel sheet pile 100 and another steel sheet pile 100, a rotatable rotating support 133 is provided on the female joint 13, when the rotating support 133 rotates to the notch, the notch is sealed, and when the rotating support 133 rotates to a position away from the notch, the notch is opened.
Further, the steel sheet pile 100 further includes: and the vertical detection piece 15 is arranged on the steel sheet pile body 11.
It should be noted that, in this embodiment, in order to enable the steel sheet pile body 11 to be vertically inserted into a soil layer, the vertical detection element 15 is disposed on the steel sheet pile body 11, and the vertical detection element 15 is configured to detect whether the steel sheet pile body 11 deviates in the downward insertion process, and if the deviation occurs, a certain signal is generated, so that a constructor can timely find that the steel sheet pile body 11 deviates, and can timely correct the deviation of the steel sheet pile body 11.
The invention also provides a steel sheet pile cofferdam, as shown in fig. 4, the steel sheet pile cofferdam includes: the guide piles 21 are used for being inserted into a soil layer, and the guide piles 21 are sequentially arranged and enclosed to form a preset shape; each guide beam 22 is connected with at least two guide piles 21 so as to connect two adjacent guide piles 21, the guide beam 22 is a fence in a preset shape, and a plurality of limit pieces are arranged along the length direction of the guide beam 22; the steel sheet piles 100 are sequentially arranged on the fence, and the steel sheet piles 100 are sequentially connected along the fence to form the cofferdam through the limiting of the limiting piece.
In this embodiment, in order to make the cofferdam more neat, the guide piles 21 are arranged at the preset positions in advance, the guide beams 22 are connected to at least two guide piles 21, each guide beam 22 is connected with at least two guide piles 21 to form a fence in a preset shape, when the steel sheet piles 100 are inserted into the soil layer, the steel sheet piles 100 may be sequentially inserted with reference to a predetermined fence, and in order to more precisely insert the steel sheet piles 100, a plurality of stoppers are provided in the longitudinal direction of the guide beam 22, and when each steel sheet pile 100 is inserted into the soil layer, the positions are calibrated by the position-limiting members in advance, so that the steel sheet pile 100 can be inserted into the soil layer according to the preset positions, the limiting piece can be matched with one side face of the steel sheet pile 100, the limiting effect can be achieved, and the speed of inserting the steel sheet pile 100 to be installed is not delayed.
Further, as shown in fig. 4, the steel sheet pile cofferdam further includes: an inner support 31, wherein the inner support 31 is connected to the plurality of steel sheet piles 100 to fix the plurality of steel sheet piles 100 together; and the balancing sandbags are arranged on the steel sheet piles 100 and are positioned on the inner side and the outer side of the cofferdam.
In this embodiment, an inner support 31 is installed on the steel sheet pile 100, and the inner support 31 can support the installed steel sheet pile 100 to protect the steel sheet pile from deformation caused by soil pressure or water pressure outside the cofferdam; in order to prevent the inner side and the outer side of the steel sheet pile 100 from being stressed unevenly, the steel sheet pile 100 is provided with the balance sandbags, the balance sandbags are positioned on the inner side and the outer side of the cofferdam, so that the inner side and the outer side of the steel sheet pile 100 are stressed evenly and are not easy to move.
Further, the steel sheet pile cofferdam still includes: and the steel support is arranged in the cofferdam.
In this embodiment, the steel support is used for installing an abutment in the cofferdam.
The invention also provides a construction method of the steel sheet pile cofferdam, which comprises the following steps:
respectively fixing guide piles at preset positions, and arranging at least one guide beam between every two adjacent guide piles;
sequentially inserting a plurality of steel sheet piles into soil along the limiting positions of the limiting pieces of the guide beams to form the cofferdam;
and arranging an inner support in the cofferdam.
It should be noted that, in this embodiment, in the step, guide piles are respectively fixed at preset positions, and before at least one guide beam is installed between two adjacent guide piles; firstly, preparing materials of a cofferdam, and checking whether a male joint 12-grade female joint 13 of the steel sheet pile 100 is of the same type and is deformed; lubricating the male connector 12 and the female connector 13 by using butter and dry saw dust, wherein the ratio of the butter to the dry saw dust is 5: 3; checking how long the steel sheet pile 100 is needed in the environment to be constructed, judging whether the length of the steel sheet pile 100 is suitable for the construction environment or not, and whether the steel sheet pile 100 needs to be lengthened or not;
the method comprises the following steps: respectively fixing guide piles at preset positions, and arranging at least one guide beam between every two adjacent guide piles;
it should be noted that the size of the cofferdam is determined by installing the guide piles 21, the guide piles 21 are inserted and driven at preset positions, the guide beams 22 are installed on the guide piles 21, and at least one guide beam is installed between two adjacent guide piles;
the method comprises the following steps: inserting a plurality of steel sheet piles into soil in sequence along the limiting positions of the limiting pieces of the guide beams to form the cofferdam;
it should be noted that, in the process of inserting and driving the steel sheet piles 100, the steel sheet piles 100 are inserted and driven from the center of the cofferdam to two sides in sequence; when inserting and driving the steel sheet piles 100, according to the arrangement mode of the guide beams 22, and at the same distance from the guide beams 22, the cofferdams formed by inserting and driving a plurality of steel sheet piles 100 are neat, the guide beams 22 are provided with limiting pieces, and the steel sheet piles 100 are connected with the limiting pieces in a sliding manner, so that the fox-searching steel sheet piles 100 can be inserted and driven according to a certain direction when being inserted and driven into soil layers; in the process of inserting and driving the steel sheet pile 100, if the steel sheet pile 100 cannot be inserted into a soil layer according to the gravity of the steel sheet pile 100, the steel sheet pile 100 needs to be inserted and driven by external force, and when the external force is used, the perpendicularity of the steel sheet pile 100 on the soil layer can be ensured only by applying balanced force to the top of the steel sheet pile 100.
The method comprises the following steps: and arranging an inner support in the cofferdam.
In order to provide a firm inner support in the cofferdam, after the steel sheet pile 100 is installed, the horizontal inner support 31 and the vertical inner support 31 are installed in the steel sheet pile 100, so that the cofferdam can be firm.
Further, the step of sequentially inserting a plurality of steel sheet piles into the soil along the limiting positions of the limiting parts of the guide beams to form the cofferdam comprises:
hoisting the steel sheet pile, aligning the position of the limiting piece, moving the steel sheet pile to the direction of the soil layer, and inserting the steel sheet pile into the soil;
and hoisting the other steel plate pile, aligning the male joint of the other steel plate pile to be inserted into the female joint of the steel plate pile in the drawing, aligning the position of the adjacent limiting piece, and inserting the steel plate pile into the soil.
It should be noted that, one steel sheet pile 100 is lifted, and the steel sheet pile is aligned with the position of the limiting member, moves in the soil layer direction, and is inserted into the soil; hoisting another steel sheet pile 100, aligning the male joint 12 of another steel sheet pile 100 to be inserted into the female joint 13 of the steel sheet pile 100 in the figure, aligning the positions of the adjacent limiting pieces, inserting the steel sheet piles into the soil, and connecting a plurality of steel sheet piles 100 together to form a cofferdam; when the steel sheet pile 100 is inserted, the perpendicularity of the steel sheet pile 100 needs to be detected by using the perpendicular detector 15.
As described above, as shown in fig. 1 to 3, the first embodiment of the steel sheet pile 100 of the present invention
A steel sheet pile, the steel sheet pile 100 comprising: the steel sheet pile comprises a steel sheet pile body 11, wherein the steel sheet pile body 11 comprises two connecting end surfaces which are oppositely arranged; the male connector 12 is convexly arranged on one of the connection end surfaces; a first connecting block 121 and a second connecting block 122 are arranged on the male connector 12, and the first connecting block 121 and the second connecting block 122 are arranged in a staggered manner; the female joint 13 is convexly arranged on the other connecting end face of the female joint 13; a groove 14 is formed at one end of the female joint 13 far away from the connecting end surface, and a third connecting block 131 and a fourth connecting block 132 are arranged in the groove 14; the third connecting block 131 and the fourth connecting block 132 are arranged in a staggered manner; when the male connector 12 is inserted into the groove of the female connector 13, the first connecting block 121 and the third connecting block 131 are engaged in a staggered manner, and the second connecting block 122 and the fourth connecting block 132 are engaged in a staggered manner.
Further, when one of the connection end surfaces of the steel sheet piles 100 moves toward the other connection end surface of the other steel sheet pile 100 to form connection between the steel sheet piles 100, the distance between the third connection block 131 and the fourth connection block 132 of the female joint 13 is greater than the radius of the first connection block 121 or the second connection block 122, so that the first connection block 121 and the second connection block 122 can pass through the gap between the third connection block 131 and the fourth connection block 132 to reach the groove formed by the third connection block 131 and the fourth connection block 132, and after rotation, the first connection block 121 and the third connection block 131 are clamped together, and the second connection block 122 and the fourth connection block 132 are clamped together, so that the position between the two steel sheet piles 100 does not change.
According to the above, the second embodiment of the steel sheet pile 100 of the present invention
A steel sheet pile, the steel sheet pile 100 comprising: the steel sheet pile comprises a steel sheet pile body 11, wherein the steel sheet pile body 11 comprises two connecting end surfaces which are oppositely arranged; the male connector 12 is convexly arranged on one of the connection end surfaces; a first connecting block 121 and a second connecting block 122 are arranged on the male connector 12, and the first connecting block 121 and the second connecting block 122 are arranged in a staggered manner; the female joint 13 is convexly arranged on the other connecting end face; a groove 14 is formed at one end of the female joint 13 far away from the connecting end surface, and a third connecting block 131 and a fourth connecting block 132 are arranged in the groove 14; the third connecting block 131 and the fourth connecting block 132 are arranged in a staggered manner; when the male connector 12 is inserted into the groove of the female connector 13, the first connecting block 121 and the third connecting block 131 are engaged in a staggered manner, and the second connecting block 122 and the fourth connecting block 132 are engaged in a staggered manner.
Further, between the steel sheet piles 100 and the steel sheet piles 100, when the male joint 1 is inserted into the groove 2 from the top end of one of the steel sheet piles 100, the distance between the third connecting block 131 and the fourth connecting block 132 of the female joint 13 may be smaller than the size of the cross section of the first connecting block 121 or the second connecting block 122, if there is a tilt between the steel sheet piles 100, and the connection between the male joint 12 and the female joint 13 does not change, when it is removed, the steel sheet pile 100 may be directly removed from the top.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A steel sheet pile, characterized in that it comprises:
the steel sheet pile comprises a steel sheet pile body and a steel sheet pile body, wherein the steel sheet pile body comprises two connecting end surfaces which are oppositely arranged;
the male connector is convexly arranged on one of the connecting end surfaces; arranging a first connecting block and a second connecting block on the male connector, wherein the first connecting block and the second connecting block are arranged in a staggered manner;
the female joint is convexly arranged on the other connecting end face; a groove is formed in one end, far away from the connecting end face, of the female joint, and a third connecting block and a fourth connecting block are arranged in the groove; the third connecting block and the fourth connecting block are arranged in a staggered manner;
wherein, the male joint inserts during the recess of female joint, first connecting block with third connecting block dislocation block, the second connecting block with fourth connecting block dislocation block is being equipped with the third connecting block be equipped with the breach on the lateral wall of female joint, be used for with first connecting block with the second connecting block is followed breach department gets into in the recess set up on the female joint with female joint swivelling joint rotary support spare, rotary support spare with breach looks adaptation, rotary support spare rotates extremely during the breach, seals the breach, rotary support spare rotates to keeping away from during the position of breach, open the breach.
2. The steel sheet pile according to claim 1, wherein the first connecting block and the second connecting block extend in a direction opposite to the male joint; the third connecting block and the fourth connecting block extend towards opposite directions in the groove; when the male connector is inserted into the groove of the female connector, the first connecting block and the third connecting block are clamped in opposite directions, and the second connecting block and the fourth connecting block are clamped in opposite directions.
3. The steel sheet pile according to claim 2, wherein a distance between the third connecting block and the connecting end surface is smaller than a distance between the fourth connecting block and the connecting end surface, and a gap formed between the third connecting block and the fourth connecting block is larger than a size of a cross section of the first connecting block or the second connecting block.
4. The steel sheet pile according to claim 1, further comprising:
and the vertical detection piece is arranged on the steel sheet pile body.
5. A steel sheet pile cofferdam, characterized in that it comprises:
the guide piles are used for being inserted into a soil layer and are sequentially arranged and enclosed to form a preset shape;
each guide beam is connected with at least two guide piles so as to connect two adjacent guide piles, the shape of the fence is a preset shape, and a plurality of limiting parts are arranged along the length direction of the guide beam; and
the steel sheet piles according to any one of claims 1 to 4, which are sequentially disposed on the fence and are limited by the limiting members, and the steel sheet piles are sequentially connected along the fence to form a cofferdam.
6. The steel sheet pile cofferdam of claim 5, further comprising:
the inner support is connected to the plurality of steel sheet piles and fixes the plurality of steel sheet piles together;
and the balance sandbags are arranged on the steel sheet piles and are positioned on the inner side and the outer side of the cofferdam.
7. The steel sheet pile cofferdam of claim 5, further comprising:
and the steel support is arranged in the cofferdam.
8. A construction method of a steel sheet pile cofferdam as claimed in any one of claims 5 to 7, characterized in that it comprises the following steps:
respectively fixing guide piles at preset positions, and arranging at least one guide beam between every two adjacent guide piles;
inserting a plurality of steel sheet piles into soil in sequence along the limiting positions of the limiting pieces of the guide beams to form the cofferdam;
arranging an inner support in the cofferdam;
the step of inserting a plurality of steel sheet piles into soil along the limiting position of the limiting part of the guide beam in sequence to form the cofferdam comprises the following steps:
hoisting the steel sheet pile, aligning the position of the limiting piece, moving the steel sheet pile to the direction of the soil layer, and inserting the steel sheet pile into the soil;
and hoisting the other steel plate pile, aligning the male joint of the other steel plate pile to insert the female joint of the steel plate pile, aligning the position of the adjacent limiting piece, and inserting the steel plate pile into the soil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011368922.XA CN112459093B (en) | 2020-11-27 | 2020-11-27 | Steel sheet pile, steel sheet pile cofferdam and construction method of steel sheet pile cofferdam |
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| CN202011368922.XA CN112459093B (en) | 2020-11-27 | 2020-11-27 | Steel sheet pile, steel sheet pile cofferdam and construction method of steel sheet pile cofferdam |
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| JPH0726564A (en) * | 1993-07-12 | 1995-01-27 | Kumagai Gumi Co Ltd | Joint construction method for temporary sheet-pile cofferdam construction method or the like |
| CN202787229U (en) * | 2012-06-29 | 2013-03-13 | 南亚塑胶工业股份有限公司 | Seamless plastic resin pile plank capable of being spliced tightly |
| CN206521761U (en) * | 2017-02-17 | 2017-09-26 | 上海斯迪尔实业有限公司 | Novel cofferdam structure for water conservancy project project |
| CN111764372A (en) * | 2020-07-02 | 2020-10-13 | 王光林 | Modular type Larsen-like pile |
| CN111851543A (en) * | 2020-08-05 | 2020-10-30 | 西安建筑科技大学 | Long and narrow deep foundation pit construction cofferdam structure and use method thereof |
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2020
- 2020-11-27 CN CN202011368922.XA patent/CN112459093B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0726564A (en) * | 1993-07-12 | 1995-01-27 | Kumagai Gumi Co Ltd | Joint construction method for temporary sheet-pile cofferdam construction method or the like |
| CN202787229U (en) * | 2012-06-29 | 2013-03-13 | 南亚塑胶工业股份有限公司 | Seamless plastic resin pile plank capable of being spliced tightly |
| CN206521761U (en) * | 2017-02-17 | 2017-09-26 | 上海斯迪尔实业有限公司 | Novel cofferdam structure for water conservancy project project |
| CN111764372A (en) * | 2020-07-02 | 2020-10-13 | 王光林 | Modular type Larsen-like pile |
| CN111851543A (en) * | 2020-08-05 | 2020-10-30 | 西安建筑科技大学 | Long and narrow deep foundation pit construction cofferdam structure and use method thereof |
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| CN112459093A (en) | 2021-03-09 |
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