CN114990940A - Pile cap type ground fixing piece, manufacturing method thereof, and assembling structure and method of pile top - Google Patents
Pile cap type ground fixing piece, manufacturing method thereof, and assembling structure and method of pile top Download PDFInfo
- Publication number
- CN114990940A CN114990940A CN202210448945.4A CN202210448945A CN114990940A CN 114990940 A CN114990940 A CN 114990940A CN 202210448945 A CN202210448945 A CN 202210448945A CN 114990940 A CN114990940 A CN 114990940A
- Authority
- CN
- China
- Prior art keywords
- bag
- fixing
- pile
- hollow pipe
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 52
- 238000000465 moulding Methods 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000005056 compaction Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 238000005429 filling process Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009408 flooring Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 30
- 239000002689 soil Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- 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
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
-
- 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
- E02D5/22—Piles
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles
-
- 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
- E02D5/72—Pile shoes
-
- 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
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
-
- 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
Abstract
The invention provides a pile cap type ground fixing part, a manufacturing method thereof, an assembly structure of the pile cap type ground fixing part and a pile top and a method thereof.A bag is additionally provided with an assembly component which mainly comprises a lower bottom plate, a plurality of hollow pipes and an upper fixing plate, the pile cap type ground fixing part and a pile body are fixedly connected into a whole through the assembly component, the hollow pipes provide channels for steel bar rods corresponding to the pile top to pass through the ground fixing part, and the hollow pipes and the upper fixing plate are jointly welded to lock the steel bar rods in prestress and are fixedly connected. The invention overcomes the defect of rigid transmission vibration of the existing pile cap, reduces the construction cost, improves the construction efficiency, accelerates the construction speed and realizes the green construction and construction target of the foundation.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to a pile cap type ground fixing piece, a forming method thereof, an assembling structure with a pile top and an assembling method.
Background
In foundation engineering such as high-speed railway foundation scenes, the conventional pile caps are of cast-in-place reinforced concrete structures, are integrated with pile bodies through cast-in-place reinforced concrete, and are required to have high rigidity so as to transmit loads on the pile caps to pile foundations. The pile cap and the pile body are rigidly connected, and the upper load is transferred to the pile body and the foundation. The vibration of the foundation is transmitted to the ground structure without attenuation, and the vibration and the load of the ground are transmitted to the foundation without attenuation. For this reason, we have added vibration isolators on the pile caps to attenuate the transmission of seismic and ground vibrations to adjacent facilities, but such vibration isolators are costly.
Disclosure of Invention
In view of the above, the present invention provides a pile cap type ground fastener, a method for manufacturing the same, and an assembly structure and method for a pile top, and the method includes:
stake cap formula ground firmware, including confined bag and suspender body, the bag is inside to be filled with filling material, still includes:
the lower bottom plate is fixed in the middle of the lower surface of the bottom surface of the bag;
the upper fixing plate is arranged in the middle of the upper surface of the top surface of the bag and is also provided with a sling through hole for the sling to pass through;
the two ends of each hollow pipe are respectively and vertically fixedly connected with the lower bottom plate and the upper fixing plate, and each hollow pipe forms a through channel for the corresponding reinforcing steel bar rod on the pile top to sequentially penetrate through the lower bottom plate, the bottom surface of the bag, the filling material in the bag, the top surface of the bag and the upper fixing plate.
The fixing chuck is surrounded by filling materials and positioned between the bottom surface of the bag and the top surface of the bag, and the hollow pipe penetrates through a through hole of the hollow pipe corresponding to the fixing chuck; if a plurality of fixing chucks are arranged in the bag, the fixing chucks are sequentially arranged between the bottom surface of the bag and the top surface of the bag at intervals, and the gap between every two adjacent fixing chucks is filled with filling materials.
Furthermore, the bottom end of each hollow tube is fixed with the lower bottom plate, a bottom plate through hole which is communicated with the tube hole of the corresponding hollow tube in the same axis is formed in the lower bottom plate, and a through hole which is communicated with the bottom plate through hole correspondingly is formed in the bottom surface of the bag.
Furthermore, a locking hoop is fixedly connected to the upper surface of each bottom plate through hole of the lower bottom plate correspondingly, the threaded through hole of each locking hoop is communicated with the corresponding bottom plate through hole in the same axis, an external threaded section matched with the threaded through hole of the locking hoop is arranged at the bottom end of each hollow tube, and the bottom end of each hollow tube is fixedly connected with the locking hoop through threaded connection.
The bag fixing device is characterized by further comprising an upper clamping plate, wherein the upper clamping plate is pressed on the upper surface of the bottom surface of the bag, and the bottom surface of the bag is clamped and fixed between the upper clamping plate and the lower base plate through a plurality of groups of bolt and nut pairs which penetrate through bolt through holes correspondingly formed in the upper clamping plate, the bottom surface of the bag and bolt through holes correspondingly formed in the lower base plate, so that the lower base plate and the bottom surface of the bag are fixed together.
The manufacturing method of the pile cap type ground firmware comprises the following steps:
step one, installing a hollow pipe: fixing a lower base plate in the middle of the bottom surface of the bag, wherein each hollow pipe is fixed with the lower base plate, and the pipe hole of each hollow pipe is communicated with the corresponding through hole of the base plate arranged on the lower base plate and the through hole arranged on the bottom surface of the bag in the same shaft;
step two, filling a filling material: placing the bag in a pre-forming cavity, opening an upper cover of the bag, and filling the bag with a filling material until the bag is filled with the filling material; in the filling process, the fixing chuck is sleeved on the hollow pipe, namely the hollow pipe penetrates through a hollow pipe through hole corresponding to the fixing chuck, and the fixing chuck is surrounded by the filling material and is positioned between the bottom surface of the bag and the top surface of the bag; if the bag is internally provided with a plurality of fixing chucks, the fixing chucks are sequentially arranged between the bottom surface of the bag and the top surface of the bag at intervals, each fixing chuck is surrounded by filling materials, and gaps between two adjacent fixing chucks are filled with the filling materials;
step three, sealing the bag body after compaction: after the filling materials in the bag are preliminarily compacted by adopting a vibratory tamper, the bag body is sealed after the filling materials are supplemented until the bag body is fully filled, the top end of each hollow pipe penetrates through and protrudes out of the upper cover of the bag, and the sling body penetrates through a gap between the upper covers of the bag and protrudes out of the upper cover of the bag;
step four, pressurizing and molding: the bag body is put into a plastic cavity for pressurization, so that the cross section area is increased, and the height is reduced, thereby obtaining prestress and being beneficial to shape maintenance;
step five, fixing an upper fixing plate: place the top fixed plate in the upper surface middle part of bag top surface, every hollow tube is worn through the hollow tube through-hole that fixed chuck corresponds respectively to through the external screw thread on fastening nut cooperation hollow tube top with the hollow tube top fixed mutually with the top fixed plate and compress tightly the top fixed plate.
The pile cap type ground fixing part is arranged on the pile top of the pile body, each steel bar rod extending out of the pile top penetrates through the hollow pipe corresponding to the pile cap type ground fixing part, and the steel bar rods, the hollow pipes and the upper fixing plate are welded and fixed through welding.
The method for assembling the pile cap type ground fixing part and the pile body comprises the following steps: placing the pile cap type ground fixing piece on the pile top, and enabling each steel bar rod extending out of the pile top to penetrate through the hollow pipe corresponding to the pile cap type ground fixing piece; applying downward pressure to the pile cap type ground fixing part to eliminate a gap between the bottom surface of the pile cap type ground fixing part and the top surface of the pile top; and applying upward tension to the reinforcing steel bar rod to enable the reinforcing steel bar rod to form certain prestress, and then welding and fixing the reinforcing steel bar rod, the hollow pipe and the upper fixing plate.
Further, the welding seam is together fixed with reinforcing bar pole, hollow tube and top fixed plate three to the welding seam is also surrounded in the fastening nut who is used for fixed hollow tube and top fixed plate on hollow tube top with the spiro union, has further strengthened the firmness of connecting.
The invention overcomes the defect of rigid transmission vibration of the existing pile cap, reduces the construction cost, improves the construction efficiency, accelerates the construction speed and realizes the green construction and building target of the foundation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of one embodiment of a lower floor forming process in a rigging assembly;
FIG. 2 is a schematic view of the upper clamp plate in the assembled assembly;
FIG. 3 is a schematic view of the structure of one of the hollow tubes in the assembled module;
FIG. 4 is a schematic view of the bottom surface of the ground fastener pocket being fixed to the lower base plate;
FIG. 5 is a schematic view of a plurality of hollow tubes assembled into a bladder;
FIG. 6 is a schematic view of the fixed chuck and the upper fixed plate in the assembled assembly;
FIG. 7 is a schematic structural view of a pre-forming cavity and a molding cavity of the cavity module;
FIG. 8 is a cross-sectional view of the pile cap type fastener;
fig. 9 is a schematic view of an assembly structure of the pile cap type ground fixing piece and the pile body.
The main reference symbols in the figures are: 1-a pouch; 10-bottom surface of capsular bag; 11-upper cover; 12-a filler material; 16-a harness body; 21-a lower bottom plate; 211-backplane through holes; 212-bolt through hole; 22-a locking collar; 221-threaded through hole; 23-upper splint; 232-bolt through hole; 2321-bolt and nut pair; 24-hollow pipe; 241-pore; 242-external thread section; 246-fastening nuts; 25-a fixed chuck; 251-a strap through hole; 252-hollow tube through hole; 26-an upper fixing plate; 31-a pre-forming cavity; 311-preforming side frames; 312-pre-forming a base plate; 32-molding a mold cavity; 321-molding side frames; 322-molding the bottom plate; 4-pile top; 41-a reinforcing bar rod; 414-weld bead.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 4, 5, 8 and 9, the ground fastener generally comprises a pouch 1, the pouch 1 being used to enclose a filling material 12 therein. The pouch 1 is generally formed in a square or rectangular parallelepiped shape; the opening of the bag 1 is positioned at the upper end, filling materials can be conveniently filled when the bag is opened, and the opening of the bag can be covered and closed by the four-piece upper cover 11 after filling materials are filled. The suspender body 16 is a stressed member for hoisting the whole of the ground fastener; it should be noted that the harness body is hidden in fig. 4 and 5 for the convenience of displaying the assembly. The bottom end of the suspender body is generally fixedly connected to the center of the bottom surface of the bag; to facilitate shape retention, the ground fastener may also be provided with a plurality of truss strips, base strips, etc., which are not described in detail herein. The filling material 12 can be a mixture of graded broken stone, sand, recycled concrete aggregate, steel slag, light material, elastic material and the like, or a mixture of a plurality of the materials or one of the materials; if the filling material 12 is foundation soil, soil hardening agent can be added according to the requirement to prepare solidified soil through mixing and stirring. The bag 1 is made of high-strength plastic fiber woven cloth with super weather resistance and corrosion resistance through cutting and sewing; the base belt and the truss belt are belts woven by high-strength plastic fibers with ultra-weather resistance and corrosion resistance; the bag, the base belt and the truss belt have certain elasticity and higher tensile strength, can resist the corrosion of ultraviolet rays, nuclear rays, seawater, saline-alkali soil, acidic substances, frozen soil and the like, and has durability of more than 50 years under the condition of keeping out of the sun.
The pile cap type ground fixing part replaces the traditional concrete pile cap, mainly adds an assembly component to the traditional ground fixing part, directly lays the pile cap type ground fixing part on the pile top 4 of the pile body, and fixedly connects the pile cap type ground fixing part and the pile body into a whole through the assembly component.
In the embodiment shown in fig. 1 to 6, the assembly comprises a lower base plate 21, six hollow tubes 24, two fixing chucks 25, an upper fixing plate 26; each hollow tube 24 provides a through channel for the corresponding reinforcing steel bar 41 on the pile top 4 to pass through the pile cap type ground fastener, and the lower bottom plate 21, the fixing chuck 25 and the upper fixing plate 26 are respectively positioned at the bottom end, the middle part and the top end of each hollow tube, so that a foundation for stably positioning and tightly connecting the bag 1 of the ground fastener is provided for each hollow tube, and meanwhile, assistance is provided for maintaining the integral shape of the ground fastener.
Specifically, the lower base plate 21 is fixed in the middle of the bottom surface 10 of the pouch, the bottom end of each hollow tube 24 is fixed with the lower base plate 21, and the lower base plate 21 is provided with a base plate through hole 211 which is through with the same axis as the tube hole of the corresponding hollow tube 24; in the present embodiment, the bottom end of each hollow tube 24 is fixed to the bottom plate 21 in a specific manner, a locking hoop 22 is correspondingly and fixedly connected to the upper surface of each bottom plate through hole 211 of the bottom plate 21, the threaded through hole 221 of each locking hoop 22 is communicated with the corresponding bottom plate through hole 211 in the same axis, an external threaded section 242 adapted to the threaded through hole 221 of the locking hoop is disposed at the bottom end of each hollow tube 24, the bottom end of each hollow tube 24 is fixedly connected to the locking hoop through threaded connection, so that the hollow tube 24 is fixed to the bottom plate 21, and the tube hole of the hollow tube 24 can be communicated with the corresponding bottom plate through hole 211 in the same axis.
The locking clip 22 and the lower plate 21 may be formed separately and then fixed by welding or screwing, or may be formed integrally, for example, by punching the lower plate 21 to form the locking clip and its corresponding through hole.
The fixing manner of the lower base plate 21 and the bottom surface 10 of the capsular bag can be in various forms, preferably, as shown in fig. 4 and 8, in order not to affect the arrangement of the truss belt (not shown) and the sling body, the lower base plate 21 is located on the lower surface of the bottom surface 10 of the capsular bag, the bottom surface of the capsular bag is provided with through holes correspondingly penetrating through the through holes 211 of the base plate, or through holes for passing corresponding locking hoops on the lower base plate 21, the upper clamp plate 23 is pressed on the upper surface of the bottom surface 10 of the capsular bag, and the four sets of bolt-nut pairs respectively penetrate through the bolt through holes 232 correspondingly formed on the upper clamp plate 23, the bottom surface 10 of the capsular bag and the bolt through holes 212 correspondingly formed on the lower base plate 21, so as to clamp and fix the bottom surface 10 of the capsular bag between the upper clamp plate 23 and the lower base plate 21, thereby fixing the lower base plate 21 and the bottom surface 10 of the capsular bag.
As shown in fig. 6, the fixing chuck 25 and the upper fixing plate 26 have the same structural characteristics, that is, the center portions of the fixing chuck 25 and the upper fixing plate 26 are provided with strap through holes 251 through which strap bodies can pass, and the fixing chuck 25 and the upper fixing plate 26 are further provided with six hollow tube through holes 252 through which corresponding hollow tubes can pass, of course, the arrangement structure of the six hollow tube through holes is adapted to the arrangement structure of the corresponding six steel bar rods on the pile top.
Referring to fig. 8 and 9, the following describes a method for forming the pile cap type fastener, and an assembly structure and process with the pile body:
step one, installing a hollow pipe: fixing a lower base plate 21 in the middle of the bottom surface 10 of the bag, fixing six hollow tubes 24 with the lower base plate 21 respectively, and enabling tube holes of each hollow tube 24 to be communicated with a base plate through hole 211 formed in the corresponding lower base plate and a through hole formed in the bottom surface of the bag in the same shaft;
step two, filling a filling material: placing the bag into the pre-formed cavity, opening the upper cover of the bag, and filling the bag with the filling material 12 until the bag is filled with the filling material; in the filling process, the fixing chuck is sleeved on the hollow pipe, namely the hollow pipe penetrates through a hollow pipe through hole corresponding to the fixing chuck, and the chuck is surrounded by the filling material and is positioned between the bottom surface of the bag and the top surface of the bag; if the bag is internally provided with a plurality of fixing chucks, the fixing chucks are sequentially arranged at intervals between the bottom surface of the bag and the top surface of the bag, namely a certain distance is reserved between two adjacent fixing chucks; each fixing chuck is surrounded by filling materials, and the gap between every two adjacent fixing chucks is filled with the filling materials; set up the purpose of fixing chuck, cup joint through fixing chuck to every hollow tube spacing, when carrying out the vibration compaction operation to the filler material in the sack, prevent that the hollow tube from taking place deformation, buckling to the passageway that has ensured to supply reinforcing bar pole to wear through ground firmware can not take place deformation, buckle when the vibration compaction filler material operation.
Specifically, in this embodiment, two fixing chucks are provided, which is specifically described as an example: when the filling material is filled to one third of the height of the bag body, a first fixing chuck is placed, the six hollow pipes respectively penetrate through the hollow pipe through holes corresponding to the fixing chucks, the sling body penetrates through the sling through holes, and the first fixing chuck is lowered until the bottom of the first fixing chuck is covered on the upper surface of the filling material; then, filling the filling material 12 into the bag continuously, so that the filling material covers and surrounds the first fixing chuck, and when the filling material is filled to two thirds of the height of the bag body, placing a second fixing chuck, enabling the six hollow pipes to respectively penetrate through the hollow pipe through holes corresponding to the fixing chucks, enabling the sling body to penetrate through the sling through hole, and lowering the second fixing chuck until the bottom of the second fixing chuck is covered on the upper surface of the filling material; then, the filling material 12 is continuously filled into the bag, so that the filling material covers and surrounds the second fixing chuck until the bag is filled with the filling material;
step three, sealing the bag body after compaction: after the filling materials in the bag are preliminarily compacted by adopting a vibratory tamper, the bag body is sealed after the filling materials are supplemented until the bag body is fully filled, the top end of each hollow pipe penetrates through and protrudes out of the upper cover of the bag, and the sling body penetrates through a gap between the upper covers of the bag and protrudes out of the upper cover of the bag;
step four, pressurizing and molding: the bag body is put into a plastic cavity for pressurization, so that the cross section area is increased, and the height is reduced, thereby obtaining prestress and being beneficial to shape maintenance;
step five, fixing an upper fixing plate: the upper fixing plate is placed on the upper surface of the bag, each hollow pipe penetrates through a hollow pipe through hole corresponding to the fixing chuck, the top end of each hollow pipe 24 is fixed with the upper fixing plate 26 through the fastening nut 246 in cooperation with the external thread at the top end of each hollow pipe, and the upper fixing plate 26 is tightly pressed, so that the bag is clamped between the lower base plate 21 and the upper fixing plate 26, the shape of the whole bag body is kept, meanwhile, the lower base plate 21 and the upper fixing plate 26 are matched with the fixing chuck to firmly position each hollow pipe, and the structure is simple and stable; thus, the pile cap type ground firmware is manufactured;
step six, placing the manufactured pile cap type ground fixing piece on the pile top, and enabling each reinforcing steel bar extending out of the pile top to penetrate through a hollow pipe corresponding to the pile cap type ground fixing piece; applying downward pressure to the pile cap type ground fixing part to eliminate the gap between the bottom surface of the pile cap type ground fixing part and the top surface of the pile top; apply ascending pulling force to the reinforcing bar pole, make the reinforcing bar pole form certain prestressing force, then through welding with reinforcing bar pole and hollow tube and top fixed plate welded fastening, as shown in fig. 9, welding seam 414 fixes reinforcing bar pole 41, hollow tube 24 and top fixed plate 26 three together to the welding seam is also enclosed wherein with the fastening nut 246 that is used for fixed hollow tube and top fixed plate of spiro union on the hollow tube top, has further strengthened the firmness of connection. To this end, the pile cap type ground fixing member is firmly combined with the pile top into a whole.
As shown in fig. 7 (a) and fig. 7 (B) of the preform cavity 31 and the molding cavity 32, the ground object can be preliminarily molded in the preform cavity 31, transferred to the molding cavity 32, remolded by pressure vibration deformation, and then set.
The pre-forming cavity 31 is mainly composed of a pre-forming side frame 311 and a pre-forming bottom plate 312 which are fixedly connected, and the molding cavity 32 is mainly composed of a molding side frame 321 and a molding bottom plate 322 which are fixedly connected.
The shape of the cavity space of the pre-forming cavity 31 and the molding cavity 32 determines the external dimension of the ground fixing part after the corresponding process is completed inside the cavity, the pre-forming cavity 31 and the molding cavity 32 are respectively box bodies which are roughly square or rectangular as a whole and have upward openings, and the pre-forming side frame 311 and the molding side frame 321 are used for restraining and blocking four side surfaces of the ground fixing part 3 pocket 31; the preform bottom plate 312 of the preform cavity 31 and the molding bottom plate 322 of the molding cavity 32 are respectively a square or rectangular plate as a whole.
The plate body area of the pre-forming bottom plate 312 is smaller than that of the molding bottom plate 322; meanwhile, the height of the preformed side frame 311 is greater than that of the molding side frame 321, so that the bag body is put into the molding cavity for pressurization after the preformed cavity is filled, the cross section area of the bag body is increased, and the height of the bag body is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. Stake cap formula ground firmware, including confined bag and suspender body, the inside filler material that is filled with of bag, its characterized in that still includes:
the lower bottom plate is fixed in the middle of the lower surface of the bottom surface of the bag;
the upper fixing plate is arranged in the middle of the upper surface of the top surface of the bag and is also provided with a sling through hole for the sling to pass through;
the two ends of each hollow pipe are respectively and vertically fixedly connected with the lower bottom plate and the upper fixing plate, and each hollow pipe forms a through channel for the corresponding reinforcing steel bar rod on the pile top to sequentially penetrate through the lower bottom plate, the bottom surface of the bag, the filling material in the bag, the top surface of the bag and the upper fixing plate.
2. The pile cap type fastener according to claim 1, further comprising at least one fixing chuck surrounded by the filling material and located between the bottom surface of the bag and the top surface of the bag, the hollow tube passing through the through hole of the hollow tube corresponding to the fixing chuck; if the bag is internally provided with a plurality of fixing chucks, the fixing chucks are sequentially arranged between the bottom surface of the bag and the top surface of the bag at intervals, and the gap between two adjacent fixing chucks is filled with filling materials.
3. The pile cap type ground fixing member according to claim 1, wherein the bottom end of each hollow tube is fixed to the lower base plate, the lower base plate is provided with a base plate through hole which is through with the same axis as the tube hole of the corresponding hollow tube, and the bottom surface of the bag is provided with a through hole which is through with the base plate through hole correspondingly.
4. The pile cap type fastener according to claim 3, wherein a locking hoop is fixedly connected to the upper surface of each bottom plate through hole of the lower bottom plate, the threaded through hole of each locking hoop is coaxially communicated with the corresponding bottom plate through hole, an external threaded section matched with the threaded through hole of the locking hoop is arranged at the bottom end of each hollow tube, and the bottom end of each hollow tube is fixedly connected with the locking hoop through threaded connection.
5. The pile cap type ground fastener according to claim 3, further comprising an upper clamping plate, wherein the upper clamping plate is pressed on the upper surface of the bottom surface of the bag, and the bottom surface of the bag is clamped and fixed between the upper clamping plate and the lower base plate through a plurality of sets of bolt and nut pairs respectively penetrating through bolt through holes correspondingly formed in the upper clamping plate, the bottom surface of the bag and bolt through holes correspondingly formed in the lower base plate, so that the lower base plate and the bottom surface of the bag are fixed together.
6. The manufacturing method of the pile cap type ground firmware is characterized by comprising the following steps:
step one, installing a hollow pipe: fixing a lower base plate in the middle of the bottom surface of the bag, wherein each hollow pipe is fixed with the lower base plate, and the pipe hole of each hollow pipe is communicated with the corresponding through hole of the base plate arranged on the lower base plate and the through hole arranged on the bottom surface of the bag in the same shaft;
step two, filling a filling material: placing the bag in a pre-forming cavity, opening an upper cover of the bag, and filling the bag with a filling material until the bag is filled with the filling material; the fixing chuck is sleeved on the hollow pipe in the filling process, namely the hollow pipe passes through the hollow pipe through hole corresponding to the fixing chuck, and the fixing chuck is surrounded by the filling material and is positioned between the bottom surface of the bag and the top surface of the bag; if the bag is internally provided with a plurality of fixing chucks, the fixing chucks are sequentially arranged between the bottom surface of the bag and the top surface of the bag at intervals, each fixing chuck is surrounded by filling materials, and gaps between two adjacent fixing chucks are filled with the filling materials;
step three, sealing the bag body after compaction: after the filling materials in the bag are preliminarily compacted by adopting a vibratory tamper, the bag body is sealed after the filling materials are supplemented until the bag body is fully filled, the top end of each hollow pipe penetrates through and protrudes out of the upper cover of the bag, and the sling body penetrates through a gap between the upper covers of the bag and protrudes out of the upper cover of the bag;
step four, pressurizing and molding: the bag body is put into a plastic cavity for pressurization, so that the cross section area is increased, and the height is reduced, thereby obtaining prestress and being beneficial to shape maintenance;
step five, fixing an upper fixing plate: the upper fixing plate is placed in the middle of the upper surface of the top surface of the bag, each hollow pipe penetrates through a hollow pipe through hole corresponding to the fixing chuck respectively, and the top end of each hollow pipe is fixed with the upper fixing plate through the fastening nuts matched with the external threads on the top end of each hollow pipe and tightly presses the upper fixing plate.
7. The structure for assembling a pile cap type ground fixing part and a pile top is characterized in that the pile cap type ground fixing part is the pile cap type ground fixing part as claimed in claim 1, the pile cap type ground fixing part is placed on the pile top of a pile body, each reinforcing steel bar rod extending out of the pile top penetrates through a hollow pipe corresponding to the pile cap type ground fixing part, and the reinforcing steel bar rods, the hollow pipes and an upper fixing plate are welded and fixed through welding.
8. The pile cap type flooring fastener and pile top assembly structure of claim 7, wherein the welding line fixes the three of the reinforcing bar, the hollow pipe and the upper fixing plate together, and the welding line surrounds the fastening nut screwed to the top end of the hollow pipe for fixing the hollow pipe and the upper fixing plate.
9. The method for assembling the pile cap type ground fixing piece and the pile top is characterized by comprising the following steps of:
placing the pile cap type ground fixing piece on the pile top, and enabling each steel bar rod extending out of the pile top to penetrate through the hollow pipe corresponding to the pile cap type ground fixing piece; applying downward pressure to the pile cap type ground fixing part to eliminate a gap between the bottom surface of the pile cap type ground fixing part and the top surface of the pile top; and applying upward tension to the reinforcing steel bar rod to enable the reinforcing steel bar rod to form certain prestress, and then welding and fixing the reinforcing steel bar rod, the hollow pipe and the upper fixing plate.
10. The method of assembling a pile cap type fastener with a pile top according to claim 9, wherein the welding line fixes the three of the reinforcing bar, the hollow pipe and the upper fixing plate together, and the welding line surrounds the fastening nut screwed on the top end of the hollow pipe for fixing the hollow pipe and the upper fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448945.4A CN114990940B (en) | 2022-04-27 | Pile cap type ground fixing piece, manufacturing method thereof, and pile top assembling structure and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448945.4A CN114990940B (en) | 2022-04-27 | Pile cap type ground fixing piece, manufacturing method thereof, and pile top assembling structure and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114990940A true CN114990940A (en) | 2022-09-02 |
| CN114990940B CN114990940B (en) | 2024-04-30 |
Family
ID=
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008285901A (en) * | 2007-05-17 | 2008-11-27 | Kumagai Gumi Co Ltd | Pile cap |
| KR101088788B1 (en) * | 2010-07-01 | 2011-12-01 | (주)지비텍이엔씨 | Vibration damping pile structure using vibration damping pile cap and permanent tension member |
| KR20130118108A (en) * | 2012-04-19 | 2013-10-29 | (주)성심씨앤엠 | Assembling device pile cap |
| KR20160005669A (en) * | 2015-12-29 | 2016-01-15 | (주)나다건설 | Pile cap assembly for load distribution and method for constructing foundation using the same |
| CN205591243U (en) * | 2016-05-10 | 2016-09-21 | 惠州市公路管理局 | Bag pocket type structure of karst punishment when doing is executed to pile foundation |
| CN110331720A (en) * | 2018-11-20 | 2019-10-15 | 深圳钜联锚杆技术有限公司 | Seal assembly, anchor pole cage core pouch and anchor pole for cage core pouch anchor pole |
| CN110805027A (en) * | 2019-11-14 | 2020-02-18 | 广州市第二市政工程有限公司 | Tubular pile assembly type pile cap and construction method thereof |
| CN211037521U (en) * | 2019-07-23 | 2020-07-17 | 天津市顺康科技发展有限公司 | Flexible building block |
| CN111455966A (en) * | 2020-03-10 | 2020-07-28 | 天津大学 | Composite foundation treatment method combining reinforced pile body and geotextile bag |
| KR102166504B1 (en) * | 2020-01-20 | 2020-10-15 | 한국콘크리트산업 주식회사 | Landing pier structure and its construction method |
| CN112813972A (en) * | 2021-02-08 | 2021-05-18 | 江苏富路建设有限公司 | Bag type enlarged footing pressure-bearing type anchor rod system |
| CN112813973A (en) * | 2021-02-08 | 2021-05-18 | 江苏富路建设有限公司 | Bearing plate device for bag |
| CN214363268U (en) * | 2021-02-25 | 2021-10-08 | 中交第三航务工程勘察设计院有限公司 | Post-grouting steel structure node structure based on assembled beam slab wharf |
| CN113737776A (en) * | 2021-08-02 | 2021-12-03 | 中铁隧道局集团有限公司 | Ultra-long steel pipe pile under condition of marine-facies deep mucky soil and construction method thereof |
| CN113931211A (en) * | 2021-11-23 | 2022-01-14 | 王琪 | Fabricated foundation and foundation of ground firmware and installation method thereof |
| CN215801556U (en) * | 2021-07-08 | 2022-02-11 | 上海强劲地基工程股份有限公司 | Reinforcing structure for deep and soft roadbed in high water-bearing stratum |
| CN216006992U (en) * | 2021-09-22 | 2022-03-11 | 天津鼎元软地基科技发展股份有限公司 | Combined nail type ground fixing piece |
| CN217078224U (en) * | 2022-04-27 | 2022-07-29 | 天津鼎元软地基科技发展股份有限公司 | Pile cap type ground fixing piece and assembling structure of pile cap type ground fixing piece and pile top |
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008285901A (en) * | 2007-05-17 | 2008-11-27 | Kumagai Gumi Co Ltd | Pile cap |
| KR101088788B1 (en) * | 2010-07-01 | 2011-12-01 | (주)지비텍이엔씨 | Vibration damping pile structure using vibration damping pile cap and permanent tension member |
| KR20130118108A (en) * | 2012-04-19 | 2013-10-29 | (주)성심씨앤엠 | Assembling device pile cap |
| KR20160005669A (en) * | 2015-12-29 | 2016-01-15 | (주)나다건설 | Pile cap assembly for load distribution and method for constructing foundation using the same |
| CN205591243U (en) * | 2016-05-10 | 2016-09-21 | 惠州市公路管理局 | Bag pocket type structure of karst punishment when doing is executed to pile foundation |
| CN110331720A (en) * | 2018-11-20 | 2019-10-15 | 深圳钜联锚杆技术有限公司 | Seal assembly, anchor pole cage core pouch and anchor pole for cage core pouch anchor pole |
| CN211037521U (en) * | 2019-07-23 | 2020-07-17 | 天津市顺康科技发展有限公司 | Flexible building block |
| CN110805027A (en) * | 2019-11-14 | 2020-02-18 | 广州市第二市政工程有限公司 | Tubular pile assembly type pile cap and construction method thereof |
| KR102166504B1 (en) * | 2020-01-20 | 2020-10-15 | 한국콘크리트산업 주식회사 | Landing pier structure and its construction method |
| CN111455966A (en) * | 2020-03-10 | 2020-07-28 | 天津大学 | Composite foundation treatment method combining reinforced pile body and geotextile bag |
| CN112813972A (en) * | 2021-02-08 | 2021-05-18 | 江苏富路建设有限公司 | Bag type enlarged footing pressure-bearing type anchor rod system |
| CN112813973A (en) * | 2021-02-08 | 2021-05-18 | 江苏富路建设有限公司 | Bearing plate device for bag |
| CN214363268U (en) * | 2021-02-25 | 2021-10-08 | 中交第三航务工程勘察设计院有限公司 | Post-grouting steel structure node structure based on assembled beam slab wharf |
| CN215801556U (en) * | 2021-07-08 | 2022-02-11 | 上海强劲地基工程股份有限公司 | Reinforcing structure for deep and soft roadbed in high water-bearing stratum |
| CN113737776A (en) * | 2021-08-02 | 2021-12-03 | 中铁隧道局集团有限公司 | Ultra-long steel pipe pile under condition of marine-facies deep mucky soil and construction method thereof |
| CN216006992U (en) * | 2021-09-22 | 2022-03-11 | 天津鼎元软地基科技发展股份有限公司 | Combined nail type ground fixing piece |
| CN113931211A (en) * | 2021-11-23 | 2022-01-14 | 王琪 | Fabricated foundation and foundation of ground firmware and installation method thereof |
| CN217078224U (en) * | 2022-04-27 | 2022-07-29 | 天津鼎元软地基科技发展股份有限公司 | Pile cap type ground fixing piece and assembling structure of pile cap type ground fixing piece and pile top |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107030874A (en) | Precast lattice beam for slope reinforcement and preparation method thereof and construction method | |
| CN101560768B (en) | Overall process construction method for hammering pile, special device therefor and application thereof | |
| CN206859235U (en) | For the edge slope structure after the precast lattice beam of slope reinforcement and reinforcing | |
| CN105239676B (en) | A kind of concrete frame joint ruggedized construction and its construction method | |
| DE102008013203A1 (en) | Boom for end-loading of loads, boom assembly with at least two such cantilevers and method of making such a boom | |
| KR102177827B1 (en) | Permanent form and construction method thereby with textile reinforced concrete for reinforced concrete column | |
| CN106483068A (en) | A kind of reciprocal method of testing for loading lower basalt fibre muscle and concrete dynamic adhesion performance | |
| CN217078224U (en) | Pile cap type ground fixing piece and assembling structure of pile cap type ground fixing piece and pile top | |
| CN114990940A (en) | Pile cap type ground fixing piece, manufacturing method thereof, and assembling structure and method of pile top | |
| CN203684072U (en) | Energy-dissipation-shell-plate-embedded box-shaped steel bridge pier | |
| CN114990940B (en) | Pile cap type ground fixing piece, manufacturing method thereof, and pile top assembling structure and method | |
| KR100923978B1 (en) | Joint of precast composite beam filled with spun cast concrete | |
| CN206860756U (en) | Vertical vibration damping and vibration isolation bearing | |
| CN217053302U (en) | Ground firmware prestressing force retaining structure and shaping module thereof | |
| CN108842966A (en) | A kind of ripple aluminium-alloy pipe concrete combination column | |
| CN209620405U (en) | Steel plate-ultra high strength concrete composite column structure | |
| CN101509260A (en) | Method for changing applied force state of pile | |
| CN209652659U (en) | Frame-type connection reinforcing structure between the concrete filled steel tube and sleeper block of non-fragment orbit | |
| JP2012107397A (en) | Column for load resistance structure | |
| CN217480233U (en) | Foundation structure of foundation type ground firmware and structure adopting same | |
| CN209741830U (en) | Deconstructed finite element assembled prestressed pile suitable for pile bottom hammering pile sinking | |
| CN202492843U (en) | Anti-bending enhancement-type prestressed-concrete centrifugal square pile | |
| CN115198723B (en) | External shape-bundling fastening structure of ground firmware and forming method thereof | |
| CN217353029U (en) | Novel steel pipe restraint assembled shear wall structure | |
| CN219973178U (en) | Prefabricated component and composite pile of mixed reinforcement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |