CN111395344A - Reusable secant pile positioning device and construction method - Google Patents
Reusable secant pile positioning device and construction method Download PDFInfo
- Publication number
- CN111395344A CN111395344A CN202010217347.7A CN202010217347A CN111395344A CN 111395344 A CN111395344 A CN 111395344A CN 202010217347 A CN202010217347 A CN 202010217347A CN 111395344 A CN111395344 A CN 111395344A
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- reusable
- frame
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- spud
- wall
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a reusable secant pile positioning device and a construction method, wherein the device comprises: wall frame is led to the steel, can dismantle locating piece, supporting shoe, extensible member, bracing piece and support frame positioner, and the locating piece passes through locating piece screwed connection on leading the wall frame, and two liang of relative of locating piece between the wall frame are led to two, lead wall frame and supporting shoe sliding fit, and the extensible member bottom is connected at the supporting shoe top, the top and the bracing piece bolted connection of extensible member. The device controls the transverse aperture of the secant pile by adjusting the distance between the two wall guide frames; transfer the in-process at the steel reinforcement cage, set up the supporting shoe position earlier, cross the bracing piece with the steel reinforcement cage again and play the lug, control steel reinforcement cage transfers the position and transfers the degree of depth, the protective layer thickness and the effective height of control secant pile to improve pile body intensity, the equal used repeatedly of whole positioner obtains higher construction precision, and reduces the extravagant effect of material.
Description
Technical Field
The invention relates to the field of secant pile construction, in particular to a reusable secant pile positioning device and a construction method.
Background
In the construction of the secant pile, a guide wall needs to be manufactured in advance to provide positioning for the rotary excavating process, but the traditional reinforced concrete guide wall needs to be damaged and removed after the secant pile is manufactured. Destroy and clear away above-mentioned tradition and lead the wall, consume and waste a large amount of man-machine strength, remaining industrial building rubbish polluted environment does not conform to the theory that safe civilized production advocated. In the construction process of the secant pile, an important ring is to lower the reinforcement cage, and as the rotary drilling hole is larger than the diameter of the reinforcement cage, the rotary drilling depth is larger than the length of the reinforcement cage, the positioning of the reinforcement cage needs to be paid extra attention to in the lowering process; aiming at the problem that the diameter of a rotary drilling hole is larger than that of a steel bar cage, the traditional method is to weld positioning ribs on the periphery of the steel bar cage to enable the steel bar cage and a surrounding protective wall to generate enough gaps so as to ensure the thickness of the protective layer of the steel bar, but the positioning ribs are still easy to prick into the surrounding protective wall and cannot reach enough gaps; aiming at the construction requirement that the rotary digging depth is larger than the length of a steel reinforcement cage, the pile body quality is ensured, the traditional method is that a plurality of steel reinforcements penetrate through lifting rings of the steel reinforcement cage, and then the steel reinforcement frame is arranged on a guide wall, so that the condition that the steel reinforcement cage is pricked into silt to influence the pile forming strength is prevented, but the plurality of steel reinforcements cannot be repeatedly utilized, and the resource waste is caused. In view of the above problems and the current situation, the present invention provides a reusable spud positioning device, which mainly comprises: the detachable steel guide wall frame, the sliding positioning block and the adjustable supporting frame have the characteristics of high construction precision, few process operations, low material consumption and the like, and play a certain promoting role in reducing cost and protecting the environment.
Disclosure of Invention
The invention provides a reusable secant pile positioning device and a construction method, aiming at solving the technical problem that a guide wall is a disposable guide wall and is difficult to position when a reinforcement cage is placed, and the reusable secant pile positioning device can realize the repeated use of the guide wall and is easier to position the reinforcement cage.
The utility model provides a repeatedly usable secant pile positioner, leads wall frame, at least a set of sliding component of dismantling including a pair of detachable steel, every group can be dismantled sliding component and include that two can dismantle locating piece, two adjustable support frame, the locating piece be [ type ], the locating piece can be dismantled through first connecting piece and connect on leading the wall frame, and two liang of relatively of locating piece arc opening between the wall frame are led to two, adjustable support frame includes two supporting shoes, two extensible parts, a spinal branch vaulting pole and support frame positioner, lead wall frame and supporting shoe sliding connection, both rail fittings, the bottom of extensible part is connected at the supporting shoe top, and the top of extensible part is passed through the second connecting piece and is connected with the bracing piece.
The positioning blocks are provided with a plurality of groups with different radians.
The reusable spud positioning device of claim 1, wherein the first connecting member is a set screw, the wall guide frame is connected to a first ear plate, the set block is provided with a first groove, and the first ear plate is embedded in the first groove and fixed by the set screw.
The reusable secant pile positioning device is characterized in that a slide way is arranged on the top surface of the guide wall frame, a slide rail is connected to the bottom of the supporting block, and the guide wall frame and the supporting block form rail matching.
Foretell a repeatedly usable secant pile positioner, the second connecting piece is the bracing piece bolt, it has the second recess to open on the extensible member, and the salient second otic placode that has on the bracing piece, the tip and the second otic placode of bracing piece can inlay in the second recess, connect the second otic placode in the second recess through the bracing piece bolt.
The above reusable positioning device for the secant pile is characterized in that the wall guide frame is provided with a first scale along the length direction.
In the reusable positioning device for the secant pile, the supporting rod is provided with second scales along the length direction.
Foretell repeatedly usable secant pile positioner, the extensible member is hydraulic jack, and the bracing piece passes through the second connecting piece to be connected in hydraulic jack upper end, and hydraulic jack lower extreme is connected on the supporting shoe.
Foretell repeatedly usable secant pile positioner, slide rail bottom surface both sides are connected with the pulley.
Foretell a repeatedly usable secant pile positioner, bracing piece end connection have the protection to fill up.
The above reusable positioning device for the secant pile is characterized in that the supporting rod is a telescopic rod.
A construction method of a reusable secant pile positioning device comprises the following steps:
(1) according to construction requirements, leveling a field, driving a cushion layer, determining the position and the required diameter of an occlusive pile, setting the distance between corresponding wall guide frames 1, and connecting the wall guide frames 1 to the cushion layer 9 by using third connecting pieces;
(2) selecting a corresponding positioning block 4 according to the diameter of the secant pile required by construction, and connecting the positioning block 4 to the wall guide frame 1 through a first connecting piece;
(3) the rotary digging machine starts to rotatably dig the hole of the secant pile;
(4) opening the support frame positioning device, sliding the support frame to the circle center position of the opening, ensuring that the central connecting line of the two support frames is overlapped with the diameter of the opening, and closing the support frame positioning device;
(5) placing the reinforcement cage to a specified opening, penetrating the support rod through a reinforcement cage lifting ring, fixing the support rod by using a second connecting piece, adjusting the height of the telescopic piece, vertically lifting the reinforcement cage to the opening, removing a crane, and pouring;
(6) and (3) after the pouring is finished, removing the supporting rod, reducing the height of the telescopic piece, moving the supporting frame forwards along the track, repeating the step (4), constructing the next hole site, and in addition, after the concrete is solidified to a certain degree, dismantling the positioning block to enable the wall guide frame to be pushed forwards for construction.
The invention has the beneficial effects that:
(1) environmental protection property: the invention changes the traditional concrete guide wall into a recyclable device which is shaped by leaving factory once by applying a mechanized means. Through the cooperation of can dismantling the locating piece and can dismantle and lead the wall frame, embody the practicality of this device, avoided construction method in the past to need arrange man-machine to break through the concrete and lead the wall, retrieve the reinforcing bar, clear up on-the-spot scheduling problem, fundamentally reduces the waste of material and produces building rubbish.
(2) Portability: according to the invention, the rotary digging of the secant pile can be carried out only by positioning and assembling according to the steps. The construction step skips the step of manufacturing the guide wall, and the time for constructing and solidifying the guide wall is not needed to wait. Through setting up and calibration bracing piece scale, utilize the action of gravity just can fix a position out the correct position of transferring of steel reinforcement cage, no matter be the vertical and horizontal interval, still degree of depth problem can all obtain accurate location, greatly increased efficiency of construction effectively fast.
(3) The accuracy is as follows: each section of the guide wall frame is a fixed template, and compared with errors caused by the traditional guide wall built manually, the invention has almost no errors. In addition, scales are arranged on the supporting rod, so that the position of the reinforcement cage relative to the position of the hole can be ensured to be positioned in the center of the hole. The supporting rod is made of round steel, stable support is provided for hoisting the reinforcement cage, and the problems of deviation of the reinforcement cage and the like are solved.
(4) The economic efficiency is as follows: compared with the traditional construction method, the device belongs to a factory-shaped recyclable device, saves the process of manufacturing the guide wall, and saves a large amount of manpower and material resources for the project. The round steel supporting rod penetrating through the hoisting ring of the steel reinforcement cage can be recycled.
Drawings
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a right-view partially enlarged schematic view of a connection relationship between a support frame and a wall guide frame;
FIG. 3 is a front view of the overall structure of the present invention;
fig. 4 is a schematic view of a supporting frame structure.
In the figure, 1, a wall guide frame, 2, a first lug plate, 3, a sliding rail, 4, a positioning block, 5, a positioning block screw, 6, a wall guide frame screw, 7, a hydraulic jack, 8, a pulley, 9, a cushion layer, 10, a sleeve, 11, a protection pad, 12, a support rod bolt, 13, a support frame positioning bolt, 14, a support block, 15, a support rod, 1501 and a second lug plate.
Detailed Description
Example 1
The utility model provides a repeatedly usable secant pile positioner, leads wall frame 1, at least a set of sliding component of dismantling including a pair of detachable steel, every group can dismantle sliding component and include that two can dismantle locating piece 4, two adjustable support frame, the locating piece be [ type ], locating piece 4 can be dismantled through first connecting piece and connect on leading wall frame 1, and two liang of relative of 4 arc openings of locating piece between two wall frame 1 of leading, adjustable support frame includes two supporting shoes 14, two extensible member, a spinal branch vaulting pole 15 and support frame positioner, lead wall frame 1 and 14 sliding connection of supporting shoe, both track cooperations, the bottom of extensible member is connected at supporting shoe 14 top, and the top of extensible member is passed through the second connecting piece and is connected with bracing piece 15. The supporting rod 15 can be a telescopic rod, a series of supporting rods 15 matched with the diameter of the sleeve can be manufactured, and the supporting rod 15 can be used properly. The support rod can be made of high-strength round steel. The wall guide frame is a rigid wall guide frame.
Example 2
Based on the embodiment 1 and the embodiment 2, which list several preferable technical features, the embodiment 1 can be combined with one or more of them to form a plurality of new and different technical solutions.
Preferably, in a reusable spud positioning device as described above, the positioning block 4 has a plurality of sets of different arcs.
Preferably, the above reusable positioning device for the secant pile comprises a positioning block screw 5 as the first connecting piece, a first ear plate 2 is connected to the wall guide frame, a first groove is formed in the positioning block, and the ear plate 101 is embedded in the groove and fixed by the positioning block screw 5.
Preferably, in the above reusable secant pile positioning device, the top surface of the wall guide frame 1 is provided with a slide way, the bottom of the supporting block is connected with a slide rail 3, and the two form a rail fit.
Preferably, in a reusable spud locating apparatus as described above, the second connector is a support bar bolt 15. The telescopic piece is provided with a second groove, the support rod 15 is provided with a second lug plate 1501 in a protruding mode, the end portion of the support rod 15 and the second lug plate 1501 can be embedded in the second groove, and the second lug plate 1501 is connected into the second groove through a support rod bolt 12.
Preferably, in the above reusable bite pile positioning device, the wall guide frame 1 has a first scale along the length direction. The first scale on the wall guide frame 1 can be marked by means of carving, painting, laser marking and the like.
Preferably, in the above reusable spud positioning device, the support bar 15 has a second scale along its length. The second scale on the support rod 15 can be made by means of carving, painting, laser marking and the like.
Preferably, in the above reusable secant pile positioning device, the telescopic part is a hydraulic jack 7, the support rod is connected to the upper end of the hydraulic jack through a second connecting part, and the lower end of the hydraulic jack is connected to the support block. The hydraulic jack can be adjusted in height, and one of the prior known technologies is adopted.
Preferably, in the above reusable spud positioning device, pulleys 8 are connected to both sides of the bottom surface of the supporting block 14.
Preferably, in a reusable spud locating device as described above, the end of the support rod 15 is connected to a protective pad 11.
Preferably, in the reusable bite pile positioning device, the supporting rod 15 is a telescopic rod.
Example 3
A construction method of a reusable secant pile positioning device comprises the following steps:
(1) according to the construction requirements, the field is leveled, the cushion layer is formed, the position and the required diameter of the secant pile are determined, the distance between the corresponding wall guide frames 1 is set, and the wall guide frames 1 are connected to the cushion layer 9 through third connecting pieces. The third connection may be a wall guide screw 6.
(2) Selecting a corresponding positioning block 4 according to the diameter of the secant pile required by construction, and connecting the positioning block 4 to the wall guide frame 1 through a first connecting piece;
(3) the rotary digging machine starts to rotatably dig the hole of the secant pile;
(4) opening the support frame positioning device, sliding the support frame to the circle center position of the opening, ensuring that the central connecting line of the two support frames is overlapped with the diameter of the opening, and closing the support frame positioning device; the support frame positioning device can be a bolt, a support frame positioning bolt 13 and the like.
(5) Placing the reinforcement cage to a specified opening, penetrating the support rod through the reinforcement cage lifting ring, fixing the support rod by using a second connecting piece, paying attention to the position of the reinforcement lifting ring to be at a symmetrical position of a second scale during the period, adjusting the height of the telescopic piece, enabling the reinforcement cage to be vertically lifted to the opening, removing the crane, and pouring;
(6) after pouring, the supporting rods 15 are removed, the height of the telescopic piece is reduced, the supporting frame moves forwards along the rail, the step (4) is repeated, construction of the next hole site is carried out, in addition, the positioning blocks 4 can be detached after concrete is solidified to a certain degree, and the wall guide frame 1 is pushed forwards for construction.
According to the construction requirements: (1) the invention adopts the detachable circulating positioning component, so the material of the component has strict requirements: the hardness is strong enough, and the structural stability is also satisfied; (2) the central position of the steel reinforcement cage can be directly positioned under the action of gravity, the steel reinforcement cage can not be randomly placed during the placement, the steel reinforcement cage is prevented from being too deep to hang down when being inserted into the silt, and the whole operation process requires workers to have higher professional literacy and stronger coordination capacity; (3) the positioning and installation of the guide wall frame are all positioning references, so that the accurate installation of the guide wall frame on the cushion layer is important.
Claims (10)
1. The utility model provides a repeatedly usable secant pile positioner, its characterized in that leads wall frame, at least a set of slip subassembly of dismantling including a pair of detachable steel, every group can be dismantled the slip subassembly and include two locating pieces of dismantling, two adjustable support frames, and the locating piece is [ type ], the locating piece can be dismantled through first connecting piece and connect on leading the wall frame, and two liang of relative of locating piece arc opening between two wall frames of leading, adjustable support frame includes two supporting shoes, two extensible parts, a bracing piece and support frame positioner, lead wall frame and supporting shoe sliding connection, both track cooperations, the bottom of extensible part is connected at the supporting shoe top, and the top of extensible part is passed through the second connecting piece and is connected with the bracing piece.
2. The reusable spud positioning device of claim 1, wherein the first connecting member is a set screw, the wall guide frame is connected to a first ear plate, the set block is formed with a first groove, and the first ear plate is embedded in the first groove and fixed by the set screw.
3. A reusable spud locating device according to claim 1, wherein the top of the wall guide frame is provided with a slideway and the bottom of the support block is connected with a slideway, the slideway and the support block forming a rail fit.
4. A reusable spud locating apparatus according to claim 1, wherein the second connecting member is a support bar bolt, the telescopic member has a second recess formed therein, and the support bar has a second lug projecting therefrom, the end of the support bar and the second lug being capable of being received in the second recess, the second lug being connected to the second recess by the support bar bolt.
5. A reusable spud locating apparatus according to claim 1, wherein the wall guide frame has a first scale along its length.
6. A reusable spud locating apparatus according to claim 1, wherein the telescopic member is a hydraulic jack and the support rod is connected to the upper end of the hydraulic jack by a second connecting member and the lower end of the hydraulic jack is connected to the support block.
7. A reusable spud locating apparatus according to claim 3, wherein pulleys are attached to either side of the underside of the track.
8. A reusable spud locating apparatus according to claim 1, characterised in that a protective pad is attached to the end of the support rod.
9. A reusable spud positioning device according to claim 1, wherein the support rod is a telescopic rod.
10. A reusable spud locating apparatus according to claim 1, wherein the support frame locating means is a support frame locating bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010217347.7A CN111395344A (en) | 2020-03-25 | 2020-03-25 | Reusable secant pile positioning device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010217347.7A CN111395344A (en) | 2020-03-25 | 2020-03-25 | Reusable secant pile positioning device and construction method |
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| CN202010217347.7A Pending CN111395344A (en) | 2020-03-25 | 2020-03-25 | Reusable secant pile positioning device and construction method |
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| CN111809634A (en) * | 2020-08-19 | 2020-10-23 | 中国五冶集团有限公司 | Steel guide wall for hole forming construction of secant pile |
| CN112012213A (en) * | 2020-09-07 | 2020-12-01 | 北京市政建设集团有限责任公司 | Method for improving positioning accuracy of cast-in-situ bored pile |
| CN113529697A (en) * | 2021-07-07 | 2021-10-22 | 福建东寰建设有限公司 | Prefabricated guide wall and occlusive pile construction process using same |
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