CN114277778A - Steel sheet pile inserting auxiliary positioning device and steel sheet pile cofferdam construction process thereof - Google Patents
Steel sheet pile inserting auxiliary positioning device and steel sheet pile cofferdam construction process thereof Download PDFInfo
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- CN114277778A CN114277778A CN202111408768.9A CN202111408768A CN114277778A CN 114277778 A CN114277778 A CN 114277778A CN 202111408768 A CN202111408768 A CN 202111408768A CN 114277778 A CN114277778 A CN 114277778A
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- 239000010959 steel Substances 0.000 title claims abstract description 243
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title abstract description 21
- 238000003780 insertion Methods 0.000 claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The application relates to an auxiliary positioning device for steel sheet pile insertion and a steel sheet pile cofferdam construction process thereof, which comprises a guide beam, a limiting component and at least two groups of clamping components, wherein the guide beam comprises two guide tracks which are concentrically arranged and is used for vertically extending a steel sheet pile into the space between the two guide tracks; the two clamping components are respectively arranged on the two guide rails and comprise a sliding strip, a clamping block and a propping piece, the sliding strip is connected to the guide rails in a sliding and detachable mode, the clamping block is hinged to the sliding strip, and a hinged shaft of the clamping block is parallel to the guide rails and used for extending into the pile groove; the abutting piece is arranged on the clamping block and can enable the clamping block to be close to or far away from the other guide rail; spacing subassembly can be dismantled and connect on the guide rail to be used for with the not connected one side butt of steel sheet pile. The perpendicularity of steel sheet pile cartridge can be guaranteed, and the construction quality of the steel sheet pile cofferdam is improved.
Description
Technical Field
The application relates to the field of foundation pit maintenance construction, in particular to an auxiliary positioning device for steel sheet pile inserting installation and a steel sheet pile cofferdam construction process.
Background
The cofferdam is a temporary enclosure structure constructed for constructing permanent water conservancy facilities in the water conservancy project construction. The cofferdam has the functions of preventing water and soil from entering the building position of the building so as to drain water in the cofferdam, excavate a foundation pit and build the building. The most original cofferdam is a dam which is built by using silt and gravels at the positions of piers or abutment platforms and has water tightness; with the progress of times, the cofferdam technology in China is more and more mature. The steel sheet pile cofferdam is a water surrounding structure for deepwater bridge foundation construction, is profile steel with a locking notch, is not only used for newly building a bridge foundation, but also is tried to be used for repairing an existing bridge, and is an advanced construction technology which is worth being popularized and applied.
At present, the section of the steel sheet pile has a straight plate shape, a groove shape, a Z shape and the like, and has various sizes and interlocking forms. The common types include larsen type, lackavanna type and the like, and the cofferdam connected at the head is formed by connecting through lock catches. Referring to fig. 1, the larsen steel sheet piles comprise pile grooves and lock catches arranged on two sides of the pile grooves, when the steel sheet pile cofferdam is constructed, a first steel sheet pile is vertically inserted into water, then the first steel sheet pile is used as a foundation, the rest steel sheet piles and the adjacent steel sheet piles are connected through the lock catches in sequence and inserted into the water until the last steel sheet pile is connected with the two adjacent steel sheet piles, broken stones or other suitable materials are filled into gaps at the lock catches to prevent water, and construction of the steel sheet pile cofferdam is completed.
Aiming at the related technology, when the steel sheet pile is connected and aligned with the adjacent steel sheet pile, the steel sheet pile collides with the inserted steel sheet pile under the action of gravity and shakes, and the inventor thinks that the steel sheet pile after insertion is driven to move, so that the perpendicularity of the steel sheet pile is influenced, and further the construction quality is influenced.
Disclosure of Invention
In order to guarantee the perpendicularity of steel sheet pile inserting and improve the construction quality of the steel sheet pile cofferdam, the application provides an auxiliary positioning device for steel sheet pile inserting and a steel sheet pile cofferdam construction process of the auxiliary positioning device.
First aspect, the application provides a steel sheet pile cartridge auxiliary positioning device adopts following technical scheme:
an auxiliary positioning device for steel sheet pile insertion comprises a guide beam, a limiting assembly and at least two sets of clamping assemblies, wherein the guide beam comprises two guide tracks which are concentrically arranged and is used for vertically extending a steel sheet pile between the two guide tracks; the two clamping components are respectively arranged on the two guide rails and comprise a sliding strip, a clamping block and a propping piece, the sliding strip is connected to the guide rails in a sliding and detachable mode, the clamping block is hinged to the sliding strip, and a hinged shaft of the clamping block is parallel to the guide rails and used for extending into the pile groove; the abutting piece is arranged on the clamping block and can enable the clamping block to be close to or far away from the other guide rail; the limiting assembly is detachably connected to the guide rail and is used for being abutted to the side, which is not connected with the steel sheet pile, of the limiting assembly.
By adopting the technical scheme, the size and the overall distribution of the steel sheet pile cofferdam are determined by the guide beams and the limiting components arranged through the two guide tracks, and the insertion of the steel sheet piles is limited; one side of the first steel sheet pile can be limited and guided through the limiting assembly, and then the insertion position of the first steel sheet pile is determined; the draw runner, the screens piece that set up and support tight, can finish the back at steel sheet pile cartridge, fix the steel sheet pile, avoid next a slice steel sheet pile to bump and arouse when aiming at the cartridge with cartridge steel sheet pile and rock, avoid the steel sheet pile that the cartridge finishes to produce and remove, guarantee the level and smooth and straightness that hangs down of steel sheet pile, start from first a slice steel sheet pile, ensure that steel sheet pile inserts and cut straightly just, and then the construction quality in steel sheet pile cofferdam.
Optionally, the screens subassembly still blocks the stake net including blocking, block the stake net and can dismantle the connection on the draw runner to set up in guide track below, two block the stake net and be used for leading steel sheet pile.
Through adopting above-mentioned technical scheme, what set up blocks the stake net, blocks the stake net through relative setting and can carry on spacingly to the steel sheet pile between the two, produces the skew when avoiding the whereabouts of steel sheet pile, guarantees the straightness that hangs down of steel sheet pile, can reduce the impact of rivers simultaneously, improves its stability.
Optionally, the abutting piece comprises an abutting cylinder, one end of the abutting cylinder is hinged to the slide bar, the other end of the abutting cylinder is fixedly arranged on the clamping block, and the axial direction of a piston rod of the abutting cylinder is perpendicular to the hinged shaft of the abutting cylinder.
Through adopting above-mentioned technical scheme, the tight cylinder of supporting that sets up can tightly support the screens piece at the stake inslot to make steel sheet pile tightly support on the guide rail, realize the location to the steel sheet pile, reduce the skew of steel sheet pile in the guide rail direction simultaneously, guarantee the straightness that hangs down of steel sheet pile.
Optionally, the clamping assembly further comprises an elastic cushion layer, and the elastic cushion layer is arranged on the side wall, used for being tightly abutted to the pile groove, of the clamping block.
Through adopting above-mentioned technical scheme, the elastic cushion who sets up cushions the slight vibration of steel sheet pile, reduces the rigid contact, reduces the fish tail to the steel sheet pile, increases simultaneously and steel sheet pile between frictional force, and then carries fixed effect.
Optionally, the limiting assembly comprises a baffle, a locking bolt and two parallel pinch plates, the baffle is perpendicular to the two guide rails and is arranged on the guide rails, the two pinch plates are perpendicular to the two ends of the baffle and are respectively arranged on one sides, far away from the two guide rails, the locking bolt penetrates through any pinch plate and is in threaded connection with the pinch plate, and the locking bolt can be tightly abutted to the guide rails.
Through adopting above-mentioned technical scheme, baffle, locking bolt and the buckle that sets up can carry on spacingly to first piece steel sheet pile in cofferdam work progress, carry on spacingly to the steel sheet pile tip that the cartridge has finished, improve the holistic stability of steel sheet pile cartridge in-process, simple structure, and easy dismounting.
Optionally, the limiting assembly further comprises a pushing cylinder and a pushing block, the pushing cylinder is arranged on the baffle, a piston rod of the pushing cylinder is parallel to the guide rail, and the pushing block is arranged at one end of the piston rod of the pushing cylinder and used for being abutted against the outer wall of the pile groove.
Through adopting above-mentioned technical scheme, what set up supports and pushes away the cylinder and supports and push away the piece, increase with the area of contact of spacing subassembly and tip steel sheet pile, the application of force of being convenient for is supported and spacing.
Optionally, still include the deflector, the deflector can be dismantled and connect on the guide track to be used for around the padlock setting, the deflector surpasss the installation steel sheet pile roof setting along vertical direction, just leave between deflector and the padlock and have the direction seam that is used for next steel sheet pile to stretch into.
By adopting the technical scheme, the guide plate guides the steel sheet piles to be inserted to the locking positions of the installed steel sheet piles through the guide plate and the guide slits before the two steel sheet piles are contacted, so that the collision of the two steel sheet piles in the alignment process is reduced, and the stability of the steel sheet piles in the alignment process is improved.
In a second aspect, the application provides a steel sheet pile cofferdam construction process using a steel sheet pile inserting auxiliary positioning device, which adopts the following technical scheme:
a construction process of a steel sheet pile cofferdam by using an auxiliary positioning device inserted in a steel sheet pile comprises the following steps:
s1: determining the size of a steel sheet pile cofferdam according to the engineering construction area and the position of a pile foundation steel casing, determining the center line and the elevation level point of the cofferdam, dismantling the steel trestle within the insertion range of the steel sheet pile, determining the top elevation size, and then transporting the steel sheet pile to the steel trestle by a transport vehicle;
s2: installing a steel sheet pile;
s21: installing a guide beam; fixing two guide rails on the steel trestle and the pile foundation steel casing respectively;
s22: installing a limiting assembly, buckling the limiting assembly on the two guide rails through a baffle plate and a buckle plate, and fixing the limiting assembly through a locking bolt;
s23: hoisting the steel sheet pile through hoisting equipment, enabling one side of the steel sheet pile to tightly abut against the guide rail to slide, observing by using a plumb bob, and controlling the plane position and the verticality of the steel sheet pile;
s24: installing a clamping component corresponding to the pile groove; the clamping block is horizontally extended into the pile groove by rotating the abutting air cylinder and the clamping block, and the clamping block is driven to abut against the pile groove corresponding to the steel plate groove by starting the abutting air cylinder so as to fix the position of the first steel plate groove;
s25: installing a guide plate, installing the guide plate on a guide rail close to one side of the opening of the padlock, reserving a guide seam between the guide plate and the padlock, hoisting the next steel sheet pile through hoisting equipment, enabling the next steel sheet pile to slide into the guide seam along the guide plate corresponding to the padlock, further connecting the two interlocks, and completing the insertion;
s26: repeating S24, and fixing the steel sheet pile by adjusting the clamping component on the other guide rail;
s27: repeating S25-S26, and positioning the adjacent steel sheet pile of the next steel sheet pile to be inserted through the sliding clamping assembly until the position of the folding opening of the last steel sheet pile;
s28: measuring the shape of the closure opening, determining the size of a closure assembly, processing, manufacturing and molding on site, and finally inserting steel sheet piles at the closure opening;
s29: dismantling the guide beam;
s3: supporting the inner wall of the steel sheet pile;
s4: performing sludge suction and foundation cleaning and bottom sealing on the area in the cofferdam;
s5: pumping water to the area in the cofferdam and plugging the gaps between the steel sheet piles;
s6: constructing a bearing platform pier stud;
s7: and (5) removing the cofferdam.
By adopting the technical scheme, in the construction process of the steel sheet pile cofferdam, the limiting assembly is used for limiting the steel sheet piles at the end part and limiting the guide beams, so that the stability of the steel sheet pile cofferdam in the construction process is improved; fix arbitrary steel sheet roof beam when the butt joint through the screens subassembly, ensure the straightness that hangs down of the steel sheet pile of cartridge, reduce the collision of aiming at the in-process between the steel sheet pile through the deflector, reduce the holistic rocking of steel sheet pile cofferdam, and then improve holistic straightness and the construction quality that hangs down of steel sheet pile cofferdam.
In summary, the present application includes at least one of the following beneficial technical effects:
the size and the overall distribution of the steel sheet pile cofferdam are determined through the two guide tracks, and the insertion of the steel sheet piles is limited by the arranged guide beams and the limiting assembly; one side of the first steel sheet pile can be limited and guided through the limiting assembly, and then the insertion position of the first steel sheet pile is determined; the sliding strips, the clamping blocks and the abutting pieces are arranged, so that the steel sheet piles can be fixed after the steel sheet piles are inserted, the next steel sheet pile is prevented from colliding with the inserted steel sheet piles and shaking when aligned with the inserted steel sheet piles, the inserted steel sheet piles are prevented from moving, the flatness and the verticality of the steel sheet piles are guaranteed, the steel sheet piles are ensured to be inserted in a straight way from the first steel sheet pile, and the construction quality of the steel sheet pile cofferdam is further guaranteed;
the baffle, the locking bolt and the buckle plate are arranged, so that the first steel sheet pile can be limited in the cofferdam construction process, the end part of the steel sheet pile which is inserted is limited, the integral stability in the steel sheet pile inserting process is improved, the structure is simple, and the assembly and disassembly are convenient;
by adopting the construction process, in the construction process of the steel sheet pile cofferdam, the limiting assembly is used for limiting the steel sheet piles at the end part and limiting the guide beams, so that the stability of the steel sheet pile cofferdam in the construction process is improved; fix arbitrary steel sheet roof beam when the butt joint through the screens subassembly, ensure the straightness that hangs down of the steel sheet pile of cartridge, reduce the collision of aiming at the in-process between the steel sheet pile through the deflector, reduce the holistic rocking of steel sheet pile cofferdam, and then improve holistic straightness and the construction quality that hangs down of steel sheet pile cofferdam.
Drawings
Fig. 1 is a schematic view of an overall structure of the construction of a steel sheet pile cofferdam according to a real-time embodiment of the present application.
Fig. 2 is a schematic overall structure diagram of the auxiliary positioning device for inserting the steel sheet pile according to the embodiment of the application.
Fig. 3 is a schematic structural view of the detent assembly of fig. 2.
Fig. 4 is a structural schematic diagram of another view angle of the auxiliary positioning device for inserting steel sheet piles in the embodiment of the application.
Fig. 5 is a schematic view of the overall structure of the steel sheet pile cofferdam after the construction is completed.
Description of reference numerals: 1. a guide beam; 11. a guide rail; 2. a limiting component; 21. a baffle plate; 22. pushing against the cylinder; 23. pushing the block; 24. locking the bolt; 25. buckling the plate; 3. a guide plate; 31. guiding the seam; 4. a clamping component; 41. a slide bar; 411. positioning the bolt; 412. a slide plate; 413. hooking; 42. a connecting strip; 43. a bit block; 44. an elastic cushion layer; 45. tightly abutting against the air cylinder; 46. pile blocking nets; 5. a support assembly; 51. a support frame; 52. a reinforcing rod; 6. a steel trestle; 7. pile foundation steel casing; 8. and (5) steel sheet piles.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses steel sheet pile cartridge auxiliary positioning device. Referring to fig. 1, steel sheet pile 8 includes nose girder 1, spacing subassembly 2, direction subassembly and two sets of screens subassembly 4, and nose girder 1 includes two guide rails 11 that set up with one heart to along returning the style of calligraphy setting, two guide rails 11 weld respectively on steel trestle 6 and pile foundation steel casing 7, and steel sheet pile 8 stretches into between two guide rails 11. The two clamping components 4 are respectively arranged on the two guide rails 11.
Referring to fig. 2, the limiting assemblies 2 are provided with two groups, each group comprises a baffle 21, a pushing cylinder 22, a pushing block 23, a locking bolt 24 and two parallel buckling plates 25, the two buckling plates 25 are perpendicular to the baffle 21, welded at two ends of the baffle 21 and arranged in a U shape with the baffle 21; the baffle 21 is perpendicular to the two guide rails 11 and is buckled on the guide rails 11, the buckling plates 25 are respectively arranged on the sides, far away from each other, of the two guide rails 11, the locking bolt 24 penetrates through any buckling plate 25 and is in threaded connection with the buckling plate 25, and the locking bolt 24 can be tightly abutted on the side walls, far away from each other, of the guide rails 11. The pushing cylinder 22 is fixed on the baffle plate 21 through a bolt, a piston rod of the pushing cylinder 22 is parallel to the guide rail 11, the pushing block 23 is fixed at one end of the piston rod of the pushing cylinder 22 through a bolt, and one end, far away from the pushing cylinder 22, of the pushing block 23 is arranged corresponding to the outer wall of the pile groove and used for being abutted to the outer wall of the pile groove.
Referring to fig. 2 and 3, the blocking assembly 4 includes a slide bar 41, a connecting bar 42, a blocking block 43, an elastic cushion layer 44, a resisting piece and a pile blocking net 46, wherein the resisting piece includes a resisting cylinder 45. The connecting strip 42 is welded on one side of the guide slide rail, which is far away from each other along the length direction, and exceeds the top wall of the guide slide rail; the slide bar 41 comprises a positioning bolt 411, a slide plate 412 arranged in an L shape and a hook 413 welded at one end of the slide plate 412, the slide plate 412 is covered on the top wall of the guide rail 11 and one side of the guide rail far away from each other, the hook 413 is hung on the connecting bar 42, the positioning bolt 411 is horizontal and perpendicular to the slide plate 412 and is in threaded connection with the slide plate 412, and the positioning bolt 411 passes through one end of the slide plate 412 and abuts against one side of the guide rail far away from each other.
Referring to fig. 3, one end of the tightening cylinder 45, which is far away from the output shaft, is hinged to the sliding plate 412, a hinge shaft of the tightening cylinder 45 is parallel to the guide rail 11, the other end of the tightening cylinder 45 is fixed on the clamping block 43 by a bolt, and an axial direction of a piston rod of the tightening cylinder 45 is perpendicular to the hinge shaft of the tightening cylinder 45. The clamping block 43 is arranged corresponding to the shape of the pile groove, and the elastic cushion layer 44 is adhered to the peripheral side wall of the clamping block 43 and extends into the pile groove to abut against the inner wall of the pile groove. The pile blocking nets 46 are fixed on the bottom wall of the sliding plate 412 through bolts and are arranged below the guide rails 11, and the two pile blocking nets 46 are parallel to the guide rails 11 and are level with the side walls of the two guide rails 11 close to each other.
Referring to fig. 4, the guide member assembly includes guide plate 3, and guide plate 3 sets up to the L type, and guide plate 3 passes through bolt fastening and can dismantle the connection on the relative guide track 11 of padlock opening, and surrounds the padlock butt on the stake groove outer wall, and guide plate 3 surpasss installed steel sheet pile 8 roof along vertical direction, and leaves between guide plate 3 and the padlock and be used for the next steel sheet pile 8 to stretch into direction seam 31.
The implementation principle of the steel sheet pile inserting auxiliary positioning device in the embodiment of the application is as follows: when the steel sheet piles 8 are inserted, the two baffles 21 are fixed on the guide track 11 through the locking bolts 24, and the area where the first steel sheet pile 8 is inserted is left for guiding; starting the pushing cylinder 22 to enable the pushing block 23 to tightly push against the outer wall of the pile groove, and limiting the end steel sheet pile 8; then adjusting the clamping block 43 to rotate to the horizontal position, positioning the installed steel sheet pile 8 through the abutting air cylinder 45, and disassembling the group of limiting assemblies 2; afterwards, the guide plate 3 is installed, the next steel sheet pile 8 is inserted, the lock catch of the next steel sheet pile 8 enters the guide slit 31 along the corner of the guide plate 3 to be aligned with the installed steel sheet pile 8, the steel sheet pile 8 is inserted, then the clamping component 4 is used for fixing the steel sheet pile 8, the steel sheet pile 8 to be aligned is fixed through the guide plate 3 and the sliding clamping component 4, the verticality of the inserted steel sheet pile 8 is guaranteed, and the steel sheet pile 8 is inserted.
The embodiment of the application also discloses a steel sheet pile cofferdam construction process using the steel sheet pile inserting auxiliary positioning device, and with reference to fig. 5, the steel sheet pile inserting auxiliary positioning device comprises the following steps:
s1: determining the size of a steel sheet pile cofferdam according to the engineering construction area and the position of a pile foundation steel casing 7, determining the center line and the elevation level point of the cofferdam, dismantling the steel trestle 6 within the insertion range of the steel sheet pile 8, determining the top elevation size, and then transporting the steel sheet pile 8 to the steel trestle 6 by a transport vehicle;
s2: installing a steel sheet pile 8;
s21: installing a guide beam 1; fixing two guide rails 11 on a steel trestle 6 and a pile foundation steel casing 7 respectively, enabling the two guide rails to be concentric, and inserting steel sheet piles 8 between the two guide rails 11;
s22: installing a limiting assembly 2, vertically buckling a baffle 21 on the two guide rails 11, respectively positioning the two buckling plates 25 at the sides, far away from each other, of the two guide rails 11, adjusting locking bolts 24 to tightly abut against the guide rails 11, and positioning the baffle 21 and the buckling plates 25; then, another group of limiting assemblies 2 are installed at intervals in the same method, so that the position of the first sheet of steel sheet pile 8 is reserved between the two limiting assemblies 2;
s23: hoisting the first steel sheet pile 8 by a crawler crane, so that the steel sheet pile 8 extends between the two limiting assemblies 2, one side of the steel sheet pile 8 tightly abuts against the guide track 11 to slide, and the plane position and the verticality of the steel sheet pile 8 are controlled by observing by using a plumb bob, so that the insertion of the first steel sheet pile 8 is completed; then, starting the pushing cylinder 22, so that the pushing cylinder 22 drives the pushing plate to tightly push against the outer wall of the pile groove;
s24: installing a clamping component 4 corresponding to the pile groove; adjusting the abutting cylinder 45 and the clamping block 43 to rotate to the horizontal state, enabling the clamping block 43 to be horizontal and extend into the pile groove, starting the abutting cylinder 45, enabling a piston rod of the abutting cylinder 45 to drive the clamping block 43 to abut against the pile groove corresponding to the steel plate groove, and fixing the position of the first steel plate groove;
s25: installing a guide plate 3; firstly, removing a group of limiting assemblies 2, then fixing a guide plate 3 on a guide rail 11 close to one side of a buckle lock opening by bolts, enabling the guide plate 3 to be tightly abutted against a pile groove, reserving a guide seam 31 between the guide plate 3 and the buckle lock, hoisting the next steel sheet pile 8 by a crawler crane, enabling a lock catch of the next steel sheet pile 8 to enter the guide seam 31 along the corner of the guide plate 3 to be aligned with the installed steel sheet pile 8, further enabling the two buckle locks to be connected, and completing insertion;
s26: repeating S24, and fixing the adjacent steel sheet piles 8 by adjusting the clamping component 4 on the other guide rail 11;
s27: repeating S25-S26, enabling the sliding strip 41 to slide along the guide rail 11 through the knob positioning bolt 411, and positioning the adjacent steel sheet pile 8 of the next steel sheet pile 8 to be inserted until the position of the folding opening of the last steel sheet pile 8;
s28: measuring the shape of a closure opening, determining the size of a closure assembly, processing and forming on site, then installing guide plates 3 on steel plate assemblies on two sides of the closure opening, hoisting a steel plate pile 8 at the closure opening through a crawler crane, completing the insertion of the steel plate pile 8, and completing the insertion of a steel plate pile cofferdam;
s29: dismantling the guide beam 1, and dismantling a guide rail 11 on the steel trestle 6 and the pile foundation steel casing 7;
s3: the inner wall of the steel sheet pile 8 is supported by the support component 5; two groups of support assemblies 5 are arranged in parallel along the vertical direction and comprise support frames 51 and reinforcing rods 52, the support frames 51 are welded on the inner wall of the steel sheet pile 8, and the reinforcing rods 52 are welded between two adjacent support frames 51 to form a triangular area;
s4: carrying out mud suction and foundation cleaning and bottom sealing on the area in the cofferdam, adopting a long-arm excavator to be matched with a mud suction machine to take soil, cleaning the residual sludge on the steel sheet pile 8 and the steel casing by using a high-pressure water gun until all the sludge is cleaned, replenishing water into the cofferdam during foundation cleaning, and keeping the two sides of the steel sheet pile 8 uniformly stressed; and then sealing the bottom of the underwater concreting.
S5: pumping water to the area in the cofferdam through a water pump, observing the water seepage condition, manually scattering yellow sand at the lock catch connecting part at the top of the steel sheet pile 8, so that the yellow sand enters water to adsorb and block the gaps among the lock catches of the steel sheet pile 8, and blocking the gaps among the steel sheet piles 8;
s6: constructing the bearing platform pier stud until the construction is finished;
s7: and (3) injecting water into the cofferdam, dismantling the support component 5 before the water surface reaches the support frame 51, continuing injecting water until the water surface inside and outside the cofferdam is level, then symmetrically removing the steel sheet piles 8 from the downstream of the cofferdam to the upstream through the cooperation of the crawler crane and the vibration hammer until the steel sheet piles are completely removed, and transporting to the next construction site to finish the construction of the steel sheet pile cofferdam.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel sheet pile cartridge auxiliary positioning device which characterized in that: the steel sheet pile limiting device comprises a guide beam (1), a limiting assembly (2) and at least two sets of clamping assemblies (4), wherein the guide beam (1) comprises two guide tracks (11) which are concentrically arranged, and is used for vertically extending a steel sheet pile (8) into a position between the two guide tracks (11); the two clamping components (4) are respectively arranged on the two guide rails (11), each clamping component (4) comprises a sliding strip (41), a clamping block (43) and a propping piece, the sliding strips (41) are slidably and detachably connected to the guide rails (11), the clamping blocks (43) are hinged to the sliding strips (41), and hinged shafts of the clamping blocks (43) are parallel to the guide rails (11) and used for extending into pile grooves; the abutting piece is arranged on the clamping block (43) and can enable the clamping block (43) to approach or depart from the other guide rail (11); the limiting assembly (2) is detachably connected to the guide rail (11) and is used for being abutted to the side, which is not connected with the steel sheet pile (8).
2. The auxiliary positioning device for steel sheet pile insertion according to claim 1, characterized in that: screens subassembly (4) still include and block stake net (46), block stake net (46) and can dismantle the connection on draw runner (41) to set up in guide track (11) below, two block stake net (46) and be used for leading steel sheet pile (8).
3. The auxiliary positioning device for steel sheet pile insertion according to claim 1, characterized in that: the abutting piece comprises an abutting air cylinder (45), one end of the abutting air cylinder (45) is hinged to the sliding strip (41), the other end of the abutting air cylinder (45) is fixedly arranged on the clamping block (43), and the axial direction of a piston rod of the abutting air cylinder (45) is perpendicular to a hinged shaft of the abutting air cylinder (45).
4. The auxiliary positioning device for steel sheet pile insertion according to claim 1, characterized in that: the clamping assembly (4) further comprises an elastic cushion layer (44), and the elastic cushion layer (44) is arranged on the side wall, used for being tightly abutted against the pile groove, of the clamping block (43).
5. The auxiliary positioning device for steel sheet pile insertion according to claim 1, characterized in that: the limiting assembly (2) comprises a baffle (21), a locking bolt (24) and two parallel buckling plates (25), the baffle (21) is perpendicular to the two guide rails (11) and is arranged on the guide rails (11), the buckling plates (25) are perpendicular to the baffle (21) and are fixedly arranged at two ends of the baffle (21) and are respectively arranged on one sides, far away from the guide rails (11), of the two guide rails, the locking bolt (24) penetrates through any buckling plate (25) and is in threaded connection with the buckling plates (25), and the locking bolt (24) can tightly abut against the guide rails (11).
6. The auxiliary positioning device for steel sheet pile insertion according to claim 5, characterized in that: the limiting assembly (2) further comprises a pushing cylinder (22) and a pushing block (23), the pushing cylinder (22) is arranged on the baffle (21), a piston rod of the pushing cylinder (22) is parallel to the guide rail (11), and the pushing block (23) is arranged at one end of the piston rod of the pushing cylinder (22) and used for being abutted to the outer wall of the pile groove.
7. The auxiliary positioning device for steel sheet pile insertion according to claim 1, characterized in that: still include deflector (3), deflector (3) can be dismantled and connect and be in on guide track (11) to be used for setting up around the padlock, deflector (3) surpass installation steel sheet pile (8) roof setting along vertical direction, just leave between deflector (3) and the padlock and remain and be used for next steel sheet pile (8) to stretch into direction seam (31).
8. A construction method of a steel sheet pile cofferdam is characterized in that: the steel sheet pile inserting auxiliary positioning device according to any one of claims 1 to 7, comprising the following steps:
s1: determining the size of a steel plate pile cofferdam according to the engineering construction area and the position of a pile foundation steel casing (7), determining the center line and the elevation level point of the cofferdam, dismantling the steel trestle (6) within the insertion range of the steel plate pile (8), determining the size of the top elevation, and then transporting the steel plate pile (8) to the steel trestle (6) through a transport vehicle;
s2: installing a steel sheet pile (8);
s21: installing a guide beam (1); two guide rails (11) are respectively fixed on the steel trestle (6) and the pile foundation steel casing (7);
s22: the mounting and limiting assembly (2) is buckled on the two guide rails (11) through a baffle plate (21) and a buckling plate (25) and is fixed through a locking bolt (24);
s23: hoisting the steel sheet pile (8) through hoisting equipment, enabling one side of the steel sheet pile (8) to tightly abut against the guide rail (11) to slide, and controlling the plane position and the verticality of the steel sheet pile (8) by utilizing line hammer observation;
s24: installing a clamping component (4) corresponding to the pile groove; the clamping block (43) is made to be horizontal and extend into the pile groove by rotating the abutting air cylinder (45) and the clamping block (43), the clamping block (43) is driven to abut against the pile groove corresponding to the steel plate groove by starting the abutting air cylinder (45), and the position of the first steel plate groove is fixed;
s25: installing a guide plate (3), installing the guide plate (3) on a guide rail (11) close to one side of the opening of the padlock, reserving a guide seam (31) between the guide plate (3) and the padlock, hoisting the next steel sheet pile (8) through hoisting equipment, enabling the next steel sheet pile (8) to slide into the guide seam (31) along the guide plate (3) corresponding to the padlock, further connecting the two interlocks, and completing the insertion;
s26: repeating S24, and fixing the steel sheet pile (8) by adjusting the clamping component (4) on the other guide rail (11);
s27: repeating S25-S26, and positioning the adjacent steel sheet pile (8) of the next steel sheet pile (8) to be inserted through the sliding clamping assembly (4) until the position of the folding opening of the last steel sheet pile (8);
s28: measuring the shape of the closure opening, determining the size of the closure assembly, processing and forming on site, and finally inserting a steel sheet pile (8) at the closure opening;
s29: dismantling the guide beam (1);
s3: supporting the inner wall of the steel sheet pile (8);
s4: performing sludge suction and foundation cleaning and bottom sealing on the area in the cofferdam;
s5: pumping water to the area in the cofferdam and plugging the gaps between the steel sheet piles (8);
s6: constructing a bearing platform pier stud;
s7: and (5) removing the cofferdam.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922210A (en) * | 2022-05-30 | 2022-08-19 | 广东省源天工程有限公司 | Island-building cofferdam construction platform structure |
| CN115369899A (en) * | 2022-08-17 | 2022-11-22 | 中交第二航务工程局有限公司 | Cofferdam structure combining cement soil mixing pile with steel sheet pile and construction method |
| CN116065612A (en) * | 2023-02-24 | 2023-05-05 | 广东省源天工程有限公司 | Deep water overlength steel sheet pile cofferdam construction device |
| CN116289767A (en) * | 2023-04-04 | 2023-06-23 | 浙江江南春建设集团有限公司 | Dyke foot reinforcement construction method |
| CN116290005A (en) * | 2023-05-15 | 2023-06-23 | 山东省路桥集团有限公司 | Highway bridge construction cofferdam device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615005A (en) * | 2013-11-06 | 2014-03-05 | 上海市基础工程集团有限公司 | Steel sheet pile assembling perpendicularity control device for building construction |
| CN205776224U (en) * | 2016-05-27 | 2016-12-07 | 中交第二航务工程局有限公司 | A kind of New Guide Device for steel sheet pile construction |
| CN108729458A (en) * | 2018-08-02 | 2018-11-02 | 杭州江润科技有限公司 | The underwater propping steel sheet pile cofferdam construction structure of deep water and its construction method |
| CN112459090A (en) * | 2020-11-11 | 2021-03-09 | 江苏玖沐精工装备科技有限公司 | Novel steel hanging box cofferdam construction method based on Larsen steel sheet pile |
| CN213296396U (en) * | 2020-06-18 | 2021-05-28 | 中铁十一局集团第一工程有限公司 | Steel sheet pile cofferdam for tidal zone of sea area |
| CN213329017U (en) * | 2020-07-22 | 2021-06-01 | 中交一公局集团有限公司 | Steel-pipe pile and steel sheet pile inserting and beating limiting device for underwater steel cofferdam construction |
| CN214783903U (en) * | 2021-01-19 | 2021-11-19 | 安徽程凤新材料科技有限公司 | Steel sheet pile installation auxiliary machinery for water conservancy cofferdam |
| CN214783939U (en) * | 2021-06-05 | 2021-11-19 | 江苏清源建设发展集团有限公司 | Steel sheet pile leading truck of control straightness that hangs down |
-
2021
- 2021-11-24 CN CN202111408768.9A patent/CN114277778B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615005A (en) * | 2013-11-06 | 2014-03-05 | 上海市基础工程集团有限公司 | Steel sheet pile assembling perpendicularity control device for building construction |
| CN205776224U (en) * | 2016-05-27 | 2016-12-07 | 中交第二航务工程局有限公司 | A kind of New Guide Device for steel sheet pile construction |
| CN108729458A (en) * | 2018-08-02 | 2018-11-02 | 杭州江润科技有限公司 | The underwater propping steel sheet pile cofferdam construction structure of deep water and its construction method |
| CN213296396U (en) * | 2020-06-18 | 2021-05-28 | 中铁十一局集团第一工程有限公司 | Steel sheet pile cofferdam for tidal zone of sea area |
| CN213329017U (en) * | 2020-07-22 | 2021-06-01 | 中交一公局集团有限公司 | Steel-pipe pile and steel sheet pile inserting and beating limiting device for underwater steel cofferdam construction |
| CN112459090A (en) * | 2020-11-11 | 2021-03-09 | 江苏玖沐精工装备科技有限公司 | Novel steel hanging box cofferdam construction method based on Larsen steel sheet pile |
| CN214783903U (en) * | 2021-01-19 | 2021-11-19 | 安徽程凤新材料科技有限公司 | Steel sheet pile installation auxiliary machinery for water conservancy cofferdam |
| CN214783939U (en) * | 2021-06-05 | 2021-11-19 | 江苏清源建设发展集团有限公司 | Steel sheet pile leading truck of control straightness that hangs down |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922210A (en) * | 2022-05-30 | 2022-08-19 | 广东省源天工程有限公司 | Island-building cofferdam construction platform structure |
| CN115369899A (en) * | 2022-08-17 | 2022-11-22 | 中交第二航务工程局有限公司 | Cofferdam structure combining cement soil mixing pile with steel sheet pile and construction method |
| CN115369899B (en) * | 2022-08-17 | 2023-08-11 | 中交第二航务工程局有限公司 | Cofferdam structure combining cement soil stirring piles and steel sheet piles and construction method |
| CN116065612A (en) * | 2023-02-24 | 2023-05-05 | 广东省源天工程有限公司 | Deep water overlength steel sheet pile cofferdam construction device |
| CN116289767A (en) * | 2023-04-04 | 2023-06-23 | 浙江江南春建设集团有限公司 | Dyke foot reinforcement construction method |
| CN116289767B (en) * | 2023-04-04 | 2024-04-09 | 浙江江南春建设集团有限公司 | Dyke foot reinforcement construction method |
| CN116290005A (en) * | 2023-05-15 | 2023-06-23 | 山东省路桥集团有限公司 | Highway bridge construction cofferdam device |
| CN116290005B (en) * | 2023-05-15 | 2023-07-14 | 山东省路桥集团有限公司 | Highway bridge construction cofferdam device |
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