CN214143677U - Novel steel retaining wall structure for manual hole digging pile - Google Patents

Novel steel retaining wall structure for manual hole digging pile Download PDF

Info

Publication number
CN214143677U
CN214143677U CN202023236555.6U CN202023236555U CN214143677U CN 214143677 U CN214143677 U CN 214143677U CN 202023236555 U CN202023236555 U CN 202023236555U CN 214143677 U CN214143677 U CN 214143677U
Authority
CN
China
Prior art keywords
dado
steel
wide
long
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.)
Active
Application number
CN202023236555.6U
Other languages
Chinese (zh)
Inventor
孙立彬
朱烁光
祁镇江
田�健
李川
刘光正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cccc First Navigation Engineering Bureau Co ltd Road And Bridge Branch
CCCC First Harbor Engineering Co Ltd
Original Assignee
Cccc First Navigation Engineering Bureau Co ltd Road And Bridge Branch
CCCC First Harbor Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cccc First Navigation Engineering Bureau Co ltd Road And Bridge Branch, CCCC First Harbor Engineering Co Ltd filed Critical Cccc First Navigation Engineering Bureau Co ltd Road And Bridge Branch
Priority to CN202023236555.6U priority Critical patent/CN214143677U/en
Application granted granted Critical
Publication of CN214143677U publication Critical patent/CN214143677U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a novel steel dado structure for manual hole digging pile, including two long dado steel sheets and two wide dado steel sheet combinations, two long dado steel sheets and two wide dado steel sheet combinations plug into a cross-section for rectangular column casing, and wide dado board and long dado steel sheet bottom surface all are equipped with a plurality of bearing steel nails, and bearing steel nail one end is fixed in the soil body, and the other end is used for supporting column casing. The utility model has better using effect and can effectively reduce the excavation volume; meanwhile, the excavation can be continued after the installation of the wide dado plate and the long dado steel plate is finished without waiting for the strength forming of the dado during the manual excavation; the wide wall protection plate and the long wall protection steel plate can be repeatedly used, materials can be recycled, material waste can be effectively reduced, and construction cost is reduced; the method can be applied and popularized to future manual hole digging piles.

Description

Novel steel retaining wall structure for manual hole digging pile
Technical Field
The utility model relates to a highway engineering construction technical field especially relates to a novel steel dado structure for manual hole digging pile.
Background
The manual hole digging pile is a reinforced concrete pile which is manually dug and cast in place. The manual hole digging pile is generally thick in diameter, large in section size and common in engineering application. The pile dado of traditional manual hole digging pile adopts cast in situ concrete, and the first festival of pile body is about a meter deeply, and the excavation is accomplished the back concrete pile casing, prevents that the stake hole soil body from appearing collapsing, uses every section as a construction cycle during down construction, digs every section back promptly, ligature dado reinforcing bar, the pouring dado concrete. Conventional manual hole digging pile concrete dado efficiency of construction is lower, all needs formwork, concreting after every section excavation is accomplished, and will wait for the shaping of concrete strength, can carry out lower segment excavation after strength satisfies the design requirement, and excavation construction time is restricted. In addition, the space required by the retaining wall needs to be additionally excavated during excavation, and the excavation volume is large. After the retaining wall is poured, the retaining wall is permanently fixed, and the material at the position cannot bear load and cannot be recycled, so that the cost is not saved.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing a novel steel retaining wall structure for a manual hole digging pile.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a novel steel dado structure for manual hole digging pile, including two long dado steel sheets and two wide dado steel sheet combinations, two long dado steel sheets and two wide dado steel sheet combinations plug into a cross-section for rectangular column casing, every wide dado steel sheet combination includes about two wide dado boards of pegging graft together, one side of wide dado board and long dado steel sheet all links there are a plurality of inserted blocks, the opposite side of wide dado board and long dado steel sheet all be equipped with inserted block assorted draw-in groove, adjacent inserted block links together through the connected mode of socket joint with the draw-in groove, even there is the reinforcement between two adjacent wide dado boards, and two adjacent wide dado boards pass through the reinforcement fixed, wide dado board and long dado steel sheet bottom surface all are equipped with a plurality of bearing steel nails, bearing steel nail one end is fixed in the soil body, the other end is used for supporting column casing.
The bearing steel nail comprises a nail tip section and a nail tail section, the nail tail section is connected with a threaded rod towards one end of the nail tip section, the nail tip section is provided with a threaded groove matched with the threaded rod towards one end of the nail tail section, and the nail tail section is in threaded connection with the nail tip section through the threaded groove and the threaded rod.
The top surface level of nail tail section, and the nail tail section keeps away from the one end of nail tip section and even has the limiting plate, and the wide dado board and the long dado steel sheet bottom surface that constitute the column casing all laminate with nail tail section top surface, and are located between limiting plate and the soil body.
The reinforcement includes that two are fixed respectively on two adjacent wide dado boards, is equipped with the jack on the fixed plate, and the jack interpolation of two fixed plates has the staple.
The fixing plate is positioned in a column barrel formed by combining and inserting the two long wall protection steel plates and the two wide wall protection steel plates.
And a plurality of hoisting holes are formed in the wide dado plate and the long dado steel plate.
The number of the insertion blocks connected with one side of the wide dado plate and one side of the long dado steel plate is 2.
The utility model has the advantages that: the utility model has better using effect and can effectively reduce the excavation volume; meanwhile, the excavation can be continued after the installation of the wide dado plate and the long dado steel plate is finished without waiting for the strength forming of the dado during the manual excavation; the wide wall protection plate and the long wall protection steel plate can be repeatedly used, materials can be recycled, material waste can be effectively reduced, and construction cost is reduced; the method can be applied and popularized to future manual hole digging piles.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a wide retaining wall steel plate assembly;
FIG. 3 is a schematic structural view of a long retaining wall steel plate;
FIG. 4 is a schematic structural view of a supporting steel nail;
FIG. 5 is a schematic view of the staple configuration;
in the figure: 1-wide baseboard; 2-long wall protecting steel plate; 3-inserting blocks; 4-a card slot; 5-a reinforcement; 51-a fixed plate; 52-a jack; 53-U-shaped nail; 6-supporting the steel nail; 61-spike section; 62-nail tail section; 63-threaded rod; 64-a limiting plate; 7-soil body; 8-hoisting holes;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 5, a novel steel dado structure for a manual hole digging pile comprises two long dado steel plates 2 and two wide dado steel plate combinations, wherein the two long dado steel plates 2 and the two wide dado steel plate combinations are inserted into a column barrel with a rectangular cross section, each wide dado steel plate combination comprises two wide dado plates 1 which are inserted together from left to right, one sides of the wide dado plates 1 and the long dado steel plates 2 are respectively connected with a plurality of insertion blocks 3, the other sides of the wide dado plates 1 and the long dado steel plates 2 are respectively provided with a clamping groove 4 matched with the insertion blocks 3, the adjacent insertion blocks 3 and the clamping grooves 4 are connected together in a socket connection mode, a reinforcing member 5 is connected between the adjacent two wide dado plates 1, the adjacent two wide dado plates 1 are fixed through the reinforcing member 5, the bottom surfaces of the wide dado plates 1 and the long dado steel plates 2 are respectively provided with a plurality of supporting steel nails 6, one end of each supporting steel nail 6 is fixed in a soil body 7, the other end is used for supporting the column casing.
The bearing steel nail 6 comprises a nail tip section 61 and a nail tail section 62, one end of the nail tail section 62 facing the nail tip section 61 is connected with a threaded rod 63, one end of the nail tip section 61 facing the nail tail section 62 is provided with a threaded groove matched with the threaded rod 63, and the nail tail section 62 is in threaded connection with the nail tip section 61 through the threaded groove and the threaded rod 63.
The top surface of the nail tail section 62 is horizontal, and the one end of the nail tail section 62 far away from the nail tip section 61 is connected with a limiting plate 64, the bottom surfaces of the wide wall protecting plate 1 and the long wall protecting steel plate 2 which form the column casing are both attached to the top surface of the nail tail section 62, and are located between the limiting plate 64 and the soil body 7.
The reinforcing member 5 includes two fixing plates 51 fixed to two adjacent wide skirt panels 1, respectively, the fixing plates 51 being provided with insertion holes 52, and the insertion holes 52 of the two fixing plates 51 being inserted with staples 53.
The fixing plate 51 is located in a column barrel formed by inserting two long retaining wall steel plates 2 and two wide retaining wall steel plates.
The wide wall protection plate 1 and the long wall protection steel plate 2 are both provided with a plurality of hoisting holes 8.
The number of the insert blocks 3 connected to one side of the wide dado plate 1 and the long dado steel plate 2 is 2.
The utility model discloses the during operation, socket joint and the U-shaped nail 53 of each other through between wide dado 1 and long dado steel sheet 2 are connected, form the column casing of confined rectangle structure, can bear the friction pile pore-forming in-process, the soil pressure that probably appears. After the reinforcement cage is bound, the wide wall protecting plate 1 and the long wall protecting steel plate 2 are dismantled and recovered section by section, so that the purposes of reducing cost and accelerating construction are achieved.
For convenience of description, the wide dado plate 1 and the long dado steel plate 2 are collectively called as dado steel plates, the long dado steel plate 2 protects the long side of the manual hole digging pile, the wide dado plate 1 protects the wide side of the manual hole digging pile, the size of the two parts is not limited, the adjacent insertion blocks 3 and the adjacent clamping grooves 4 are connected together in a socket connection mode, and the connection integrity of the column casing is enhanced; the retaining wall steel plate, the supporting steel nail 6 and the U-shaped nail 53 are all made of steel, and if other materials with mechanical properties meeting the use requirements and being light, high in strength and low in cost exist, material replacement can be considered (for example, a reinforced plastic plate is used for replacing the retaining wall steel plate, a steel wire rope nail is used for replacing the U-shaped nail 53, and the like); compared with the traditional construction process, the utility model can greatly reduce the excavation amount, and can directly enter the construction of the next excavation segment without waiting after the completion of the retaining wall, thereby improving the construction efficiency from a plurality of construction links; compared with the traditional construction process, the utility model has the advantages that the construction such as steel bar binding and concrete pouring is not needed, the retaining wall steel plate can be recycled, and the construction cost is greatly reduced; compared with the traditional construction process, the bearing capacity of the concrete wall protecting device is not influenced by the excavation condition (when a concrete wall is adopted, the supporting thickness of the overexcavation section is increased, the bearing capacity is strengthened, stress concentration is easy to occur), the bearing capacity is more standard, the quantification is easy, and the supporting design is convenient; the utility model has good pertinence, gives full play to the material performance, selectively supports and removes and retains the weak section of the rock stratum, and really uses the support material to the poor part of the soil texture and the rock stratum; the bearing steel nail 6 adopts a sectional design, so that the material recovery is convenient, and the construction cost is reduced; the recovery of the tail section 62 of the bearing steel nail 6 prevents the bearing steel nail 6 from invading into the pile body, and avoids the hidden danger that underground water infiltrates into the pile body to corrode the steel bars; the support steel nail 6 nail tip section 61 adopts a non-recovery mode, so that the disturbance of the retaining wall dismantling construction to the surrounding soil body is reduced, and the safety coefficient is improved; compared with the traditional construction process, the utility model fully utilizes the space of the steel bar protection layer as the dado demolition channel, properly increases the thickness of the steel bar protection layer of the pile body, and obtains better engineering quality by less concrete (the dado in the traditional process is concrete); when the lower part dado steel sheet is demolishd the handling, the passageway that upper portion dado steel sheet formed plays the dual function of reducing the friction and preventing to the soil body interference.
The process flow of pouring the column is as follows:
the first step is as follows: digging a standard section length (usually 1m) by hand;
the second step is that: punching bearing steel nails 6 into the periphery of the hole bottom;
the third step: placing the long retaining wall steel plate 2 on a bearing steel nail 6;
the fourth step: placing two wide dado plates 1 positioned on opposite sides on a bearing steel nail 6, and translating towards one side of a long dado steel plate 2 to complete socket joint of the two dado steel plates;
the fifth step: placing the wide baseboard 1 adjacent to the wide baseboard 1 in the fourth step on a supporting steel nail 6, and fixing the two adjacent wide baseboard 1 together by using a U-shaped nail 53;
and a sixth step: placing the long dado steel plate 2 on the opposite side of the long dado steel plate 2 in the fourth step on the bearing steel nail 6, and translating towards one side of the dado steel plate 2 to complete the socket joint of the two dado steel plates;
the seventh step: and continuing to dig downwards, and repeating the installation process of the wall protection steel plate until a hole is formed.
Eighth step: lowering a reinforcement cage;
the ninth step: dismantling the bottommost dado steel plate, wherein the dismantling process comprises the following steps:
pulling out the U-shaped nail 53;
the wide wall protection plate 1 and the long wall protection steel plate 2 are dismounted, and the wide wall protection plate 1 and the long wall protection steel plate 2 are hung out of a pile hole through a gap between a steel reinforcement cage and the wall protection steel plate by using a steel wire rope through a hoisting hole 8;
taking down the bearing steel nail 6 nail tail section 62 below the wide wall protecting plate 1 and the long wall protecting steel plate 2, and preventing underground water from permeating into the pile body along the bearing steel nail 6 nail tail section 62 and corroding the steel bars of the pile body;
the tenth step: and dismantling the wall protection steel plates layer by layer according to the sequence from bottom to top until the recovery of the wall protection steel plates is completed. If the local soil quality is poor (the soil quality of the layer can be known during excavation), the retaining wall steel plates of the layer and the adjacent layers can be selected not to be removed, and the subsequent removal work of the retaining wall steel plates is not influenced.
The eleventh step: and pouring pile body concrete to complete the pile forming.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims (7)

1. A novel steel dado structure for manual hole digging piles is characterized by comprising two long dado steel plates (2) and two wide dado steel plate combinations, wherein the two long dado steel plates (2) and the two wide dado steel plate combinations are spliced into a column barrel with a rectangular cross section, each wide dado steel plate combination comprises two wide dado plates (1) which are spliced together left and right, one sides of each wide dado plate (1) and the corresponding long dado steel plate (2) are respectively connected with a plurality of insert blocks (3), the other sides of the wide dado plates (1) and the corresponding long dado steel plates (2) are respectively provided with a clamping groove (4) matched with the insert blocks (3), the adjacent insert blocks (3) and the adjacent clamping grooves (4) are connected together in a socket-and-joint connection mode, a reinforcing piece (5) is connected between the two adjacent wide dado plates (1), the two adjacent wide dado plates (1) are fixed through the reinforcing piece (5), the bottom surfaces of the wide dado plates (1) and the long dado steel plates (2) are respectively provided with a plurality of bearing steel nails (6), one end of the bearing steel nail (6) is fixed in the soil body (7), and the other end is used for supporting the column casing.
2. The novel steel retaining wall structure for the artificial dug pile as claimed in claim 1, wherein the bearing steel nail (6) comprises a nail tip section (61) and a nail tail section (62), a threaded rod (63) is connected to one end, facing the nail tip section (61), of the nail tail section (62), a threaded groove matched with the threaded rod (63) is formed in one end, facing the nail tail section (62), of the nail tip section (61), and the nail tail section (62) is in threaded connection with the nail tip section (61) through the threaded groove and the threaded rod (63).
3. The novel steel dado structure for the artificial dug pile of claim 2, characterized in that the top surface of the nail tail section (62) is horizontal, and a limiting plate (64) is connected to one end of the nail tail section (62) far away from the nail tip section (61), and the bottom surfaces of the wide dado plate (1) and the long dado steel plate (2) which form the column casing are attached to the top surface of the nail tail section (62) and are positioned between the limiting plate (64) and the soil body (7).
4. The novel steel retaining wall structure for artificial dug piles according to claim 1, wherein the reinforcing member (5) comprises two fixing plates (51) fixed to two adjacent wide retaining wall plates (1), respectively, wherein the fixing plates (51) are provided with insertion holes (52), and the insertion holes (52) of the two fixing plates (51) are internally inserted with U-shaped nails (53).
5. The novel steel retaining wall structure for the artificial dug pile as claimed in claim 4, wherein the fixing plate (51) is positioned in a column casing formed by inserting two long retaining wall steel plates (2) and two wide retaining wall steel plates.
6. The novel steel dado structure for artificial dug pile according to claim 1, characterized in that the wide dado plate (1) and the long dado steel plate (2) are provided with a plurality of hoisting holes (8).
7. The novel steel dado structure for artificial bored piles according to claim 1, wherein the number of the insert blocks (3) connected to one side of the wide dado plate (1) and the long dado steel plate (2) is 2.
CN202023236555.6U 2020-12-29 2020-12-29 Novel steel retaining wall structure for manual hole digging pile Active CN214143677U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023236555.6U CN214143677U (en) 2020-12-29 2020-12-29 Novel steel retaining wall structure for manual hole digging pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023236555.6U CN214143677U (en) 2020-12-29 2020-12-29 Novel steel retaining wall structure for manual hole digging pile

Publications (1)

Publication Number Publication Date
CN214143677U true CN214143677U (en) 2021-09-07

Family

ID=77542567

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023236555.6U Active CN214143677U (en) 2020-12-29 2020-12-29 Novel steel retaining wall structure for manual hole digging pile

Country Status (1)

Country Link
CN (1) CN214143677U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114775590A (en) * 2022-03-28 2022-07-22 中铁二院贵阳勘察设计研究院有限责任公司 Fore shaft guard arm structure with function of protecting slide-resistant pile construction and construction method of fore shaft guard arm structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114775590A (en) * 2022-03-28 2022-07-22 中铁二院贵阳勘察设计研究院有限责任公司 Fore shaft guard arm structure with function of protecting slide-resistant pile construction and construction method of fore shaft guard arm structure

Similar Documents

Publication Publication Date Title
CN110486018B (en) Lattice type composite shaft structure and construction method
CN112922170B (en) Assembled concrete wall structure
CN110438988A (en) A kind of prefabricated bulkhead and pore digging method
CN214143677U (en) Novel steel retaining wall structure for manual hole digging pile
CN114687581B (en) Construction method and construction structure for preventing scattered water from sinking at overhanging balcony slab
CN201221079Y (en) Supporting structure for deep foundation pit structure wall
CN215211002U (en) Foundation composite pile
CN115478561A (en) Construction method of assembled underground continuous wall
KR102310086B1 (en) Waterproof steel plate installation method using waterproof steel plate propulsion set and method of forming underground composite structure using the same
CN111894036B (en) Construction method for additionally arranging basement on strip-shaped foundation building
CN211899268U (en) Precast concrete post and pre-buried anchor slab connection structure
HU222363B1 (en) Process for building of continuous, impermeable slot-wall, which enlarge permeability road
CN210421120U (en) Assembled hole pile dado system
CN112281809A (en) Steel guide wall for underground continuous wall and construction method thereof
JP4749858B2 (en) Method for enhancing bearing capacity in extension or reconstruction of superstructures of existing buildings
CN206844636U (en) Wall and the cast-in-place aluminum alloy pattern plate support system of superstructure
KR102426927B1 (en) The Triangle tube for truss type seismic reinforcement of existing masonry wall and seismic reinforcement method using the same
CN212896334U (en) Reinforced concrete pile dado
CN110359525A (en) A kind of static-pressure precast assembled pond and its method of construction
CN211171937U (en) Drilling support pile structure formed by double drill bits
CN214574010U (en) Steel plate for underground bored pile retaining wall
CN113605370B (en) Original underground diaphragm wall permanent-changing structure and construction process thereof
CN218373777U (en) Concatenation formula concrete pile
CN216948220U (en) Sheet pile composite wall
CN211900043U (en) High-performance concrete prefabricated enclosure wall

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant