CN105862821A - Y-shaped latching connection piling wall - Google Patents
Y-shaped latching connection piling wall Download PDFInfo
- Publication number
- CN105862821A CN105862821A CN201610296249.0A CN201610296249A CN105862821A CN 105862821 A CN105862821 A CN 105862821A CN 201610296249 A CN201610296249 A CN 201610296249A CN 105862821 A CN105862821 A CN 105862821A
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- China
- Prior art keywords
- tool post
- trapezoidal tool
- pile
- recessed
- motor
- 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.)
- Withdrawn
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- 239000002689 soil Substances 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 239000004568 cement Substances 0.000 claims description 24
- 238000005553 drilling Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000011083 cement mortar Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 239000011440 grout Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
-
- 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
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/001—Drilling a non circular hole
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/165—Shapes polygonal
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Paleontology (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a manufacturing device for a Y-shaped latching connection piling wall. The manufacturing device comprises a latching pile forming machine and an octagonal pile forming machine. The technical scheme lies in that a plurality of cemented soil octagonal piles with the interval of one latching pile are manufactured; a concrete latching pile is manufactured in the distance between every two adjacent octagonal piles through utilizing the latching pile forming machine according to the working manner of the latching pile forming machine; and a concrete latching pile is manufactured at the front part of each cemented soil octagonal pile in odd numbers, so that a plurality of piling walls which are formed through mutual Y-shaped latching connection of the cemented soil octagonal piles, the concrete latching pile between every two octagonal piles, and the concrete latching piles at the front parts of the cemented soil octagonal piles in odd numbers and are used for soil blocking and leakage prevention of building foundations are formed.
Description
Technical field
The present invention relates to a kind of connection piling wall, a kind of Y shape fore shaft that the locking notch pile fore shaft mutual with octagon stake used in a kind of building foundation engineering is formed is connected piling wall.
Background technology
At present, pile body formed by the cement-soil mixing pile machine of other pattern is all the assembly of multiple soil cement cylinder, be not mutual fore shaft soil cement compound pile wall.
Summary of the invention
A kind of Y shape fore shaft that the invention provides the formation of a kind of locking notch pile fore shaft mutual with octagon stake is connected the manufacture equipment of piling wall.
The present invention is achieved through the following technical solutions:
A kind of Y shape fore shaft connects piling wall and manufactures equipment, including locking notch pile pile-formation machine and octagon stake pile-formation machine.
The concrete structure of locking notch pile pile-formation machine includes: the middle upper portion of steel pipe support is fixed in the lower end of drilling rod one, the middle lower portion of steel pipe support is fixed on the upper end of steel plate support two, the shell middle upper portion of motor two is fixed in the lower end of steel plate support two, the front end output shaft of motor two is fixed with front semi-convex trapezoidal tool post, and the rear end output shaft of motor two is fixed with rear semi-convex trapezoidal tool post；The upper end of steel plate support one is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor one is fixed in the lower end of steel plate support one, the front end output shaft of motor one is fixed with the recessed trapezoidal tool post one of first half, and the rear end output shaft of motor one is fixed with later half recessed trapezoidal tool post one；The upper end of steel plate support three is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor three is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with the recessed trapezoidal tool post two of first half, and the rear end output shaft of motor three is fixed with later half recessed trapezoidal tool post two；The recessed trapezoidal tool post one of first half and later half recessed trapezoidal tool post one form a umbilicate recessed trapezoidal tool post, the recessed trapezoidal tool post two of first half and later half recessed trapezoidal tool post two form another umbilicate recessed trapezoidal tool post, and the side surface of each recessed trapezoidal tool post is separately installed with multiple cutter head；Front semi-convex trapezoidal tool post and rear semi-convex trapezoidal tool post form the convex trapezoidal tool post that a centre is convex, and the side surface of convex trapezoidal tool post is provided with multiple cutter head；The convex trapezoidal of the recessed trapezoidal and convex trapezoidal tool post cross section of recessed trapezoidal tool post cross section is coincide.
Octagon stake pile-formation machine includes following structure: the upper end of the lower end fixed motor four of drilling rod two, motor four lower end is provided with gearbox, and the output shaft of gearbox lower end is fixed with drill bit two；The left end of gearbox, right-hand member, rear end, front end export a power transmission shaft respectively, and the outer end of each power transmission shaft fixes a tulwar respectively.
The present invention has a following feature:
The present invention can manufacture the piling wall that the concrete fore shaft stake mutual Y shape fore shaft of the concrete fore shaft stake between multiple soil cement octagon stake and each two octagon stake and single sequence number soil cement octagon stake front portion is connected, for gear soil, the antiseep on building basis.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is the front view of the present invention；
Fig. 2 is the rearview of the present invention
Fig. 3 is the A A view of Fig. 1；
Fig. 4 is the structural representation of octagon stake pile-formation machine；
Fig. 5 is the B B view of Fig. 3；
Fig. 6 is the cross-sectional view that the Y shape fore shaft that locking notch pile fore shaft mutual with octagon stake is formed is connected piling wall.
In figure: 1, drilling rod one, 2, steel pipe support, 3, steel plate support one, 4, steel plate support two, 5, steel plate support three, 6, motor one, 7, motor two, 8, motor three, 9, the recessed trapezoidal tool post one of first half, 10, front semi-convex trapezoidal tool post, 11, the recessed trapezoidal tool post two of first half, 12, cutter head, 13, later half recessed trapezoidal tool post one, 14, rear semi-convex trapezoidal tool post, 15, later half recessed trapezoidal tool post two, 16, output shaft；21, drilling rod two, 22, motor four, 23, gearbox, 24, drill bit two, 25, power transmission shaft, 26, tulwar.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment includes locking notch pile pile-formation machine and octagon stake pile-formation machine.
Locking notch pile pile-formation machine includes the structure in Fig. 1, Fig. 2, Fig. 3, concrete structure is: the middle upper portion of steel pipe support 2 is fixed in the lower end of drilling rod 1, the middle lower portion of steel pipe support is fixed on the upper end of steel plate support 24, the shell middle upper portion of motor 27 is fixed in the lower end of steel plate support two, the front end output shaft 16 of motor two is fixed with front semi-convex trapezoidal tool post 10, and the rear end output shaft of motor two is fixed with rear semi-convex trapezoidal tool post 14；The upper end of steel plate support 1 is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor 1 is fixed in the lower end of steel plate support one, the front end output shaft 16 of motor one is fixed with the recessed trapezoidal tool post 1 of first half, and the rear end output shaft of motor one is fixed with later half recessed trapezoidal tool post 1；The upper end of steel plate support 35 is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor 38 is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with the recessed trapezoidal tool post 2 11 of first half, and the rear end output shaft of motor three is fixed with later half recessed trapezoidal tool post 2 15；The recessed trapezoidal tool post one of first half and later half recessed trapezoidal tool post one form a umbilicate recessed trapezoidal tool post, the recessed trapezoidal tool post two of first half and later half recessed trapezoidal tool post two form another umbilicate recessed trapezoidal tool post, and the side surface of each recessed trapezoidal tool post is separately installed with multiple cutter head 12；Front semi-convex trapezoidal tool post and rear semi-convex trapezoidal tool post form the convex trapezoidal tool post that a centre is convex, and the side surface of convex trapezoidal tool post is provided with multiple cutter head 12；The convex trapezoidal of the recessed trapezoidal and convex trapezoidal tool post cross section of recessed trapezoidal tool post cross section is coincide.
Locking notch pile pile-formation machine is also equipped with grouting pump, during work, the position between grouting pump trapezoidal tool post recessed to the left side and the convex trapezoidal tool post in centre and between the convex trapezoidal tool post of the recessed trapezoidal tool post in the right and centre irrigates water under high pressure respectively, motor one drives the recessed trapezoidal tool post one of first half and the rotating forward of later half recessed trapezoidal tool post one, motor three drives the recessed trapezoidal tool post two of first half and the reversion of later half recessed trapezoidal tool post two, motor two drives front semi-convex trapezoidal tool post to rotate forward, after motor two drives, semi-convex trapezoidal tool post inverts, the recessed trapezoidal tool post one of first half, later half recessed trapezoidal tool post one, the recessed trapezoidal tool post two of first half, later half recessed trapezoidal tool post two and front semi-convex trapezoidal tool post, rear semi-convex trapezoidal tool post in rotation by the soil cutting of its lower end；Left end is cut into recessed bathrocephaly in rotation by the recessed trapezoidal tool post one of first half, later half recessed trapezoidal tool post one, and right-hand member is cut into recessed bathrocephaly in rotation by the recessed trapezoidal tool post two of first half, later half recessed trapezoidal tool post two；The soil body machined away is mixed in mud, and water under high pressure constantly fills, and mud constantly flows out from hole, and drilling rod one forms about one two ends during being pressed into downwards and is respectively provided with the hole of recessed bathrocephaly, casting concrete, formation concrete fore shaft stake in this hole.
Octagon stake pile-formation machine includes the structure in Fig. 4, Fig. 5；Concrete structure is as follows: the upper end of the lower end fixed motor 4 22 of drilling rod 2 21, and motor four lower end is provided with gearbox 23, and the output shaft of gearbox lower end is fixed with drill bit 2 24；The left end of gearbox, right-hand member, front end, rear end export a power transmission shaft 25 respectively, and the outer end of each power transmission shaft fixes a tulwar 26 respectively.
The specific works mode of octagon stake pile-formation machine is as follows: during work, grouting pump is to drill bit two grout injection, motor four drives gearbox to operate, gearbox drives drill bit two to rotate in operation process, and the soil cutting of drill bit two lower end is stirred in rotary course by drill bit two with cement mortar；Gearbox drives left end, right-hand member, front end, the power transmission shaft of rear end to drive a tulwar to rotate respectively in operation process respectively, and the circular cut that drill bit two is formed in rotary course by four tulwars stirs into octagon with cement mortar；Drilling rod two forms soil cement octagon stake during being pressed into.
The convex trapezoidal of the recessed trapezoidal and octagon each edge place of locking notch pile is coincide.
The working method that locking notch pile pile-formation machine is connected piling wall with octagon stake pile-formation machine associated working manufacture Y shape fore shaft is as follows: in the original position needing pile axis, 1. number soil cement octagon stake is manufactured according to the working method of above-mentioned octagon stake pile-formation machine with octagon stake pile-formation machine, right lateral side in 1. number octagon stake is spaced the distance of a locking notch pile and manufactures 2. number soil cement octagon stake, forward right side in 2. number octagon stake is spaced the distance of a locking notch pile and manufactures 3. number soil cement octagon stake, right lateral side in 3. number octagon stake is spaced the distance of a locking notch pile and manufactures 4. number soil cement octagon stake, so manufacture the soil cement octagon stake of one the locking notch pile distance in multiple intervals；When the soil cement intensity of the octagon stake on both sides reaches a timing, again in the distance between the octagon stake that each two is adjacent, manufacture a concrete fore shaft stake with locking notch pile pile-formation machine according to the working method of above-mentioned locking notch pile pile-formation machine, make the recessed trapezoidal octagon stake being fit to locking notch pile two ends convex trapezoidal at each locking notch pile two ends；Front portion in each single sequence number soil cement octagon stake, manufacture a concrete fore shaft stake, the recessed trapezoidal of this locking notch pile is made to be fit to the convex trapezoidal of octagon stake, it is thusly-formed the piling wall that the concrete fore shaft stake mutual Y shape fore shaft of the concrete fore shaft stake between multiple soil cement octagon stake and each two octagon stake and single sequence number soil cement octagon stake front portion is connected, for gear soil, the antiseep on building basis.
Claims (3)
1. Y shape fore shaft connects a piling wall manufacture equipment, including locking notch pile pile-formation machine and octagon stake pile-formation machine；It is characterized in that:
The concrete structure of described locking notch pile pile-formation machine includes: the middle upper portion of steel pipe support (2) is fixed in the lower end of drilling rod one (1), the middle lower portion of steel pipe support is fixed on the upper end of steel plate support two (4), the shell middle upper portion of motor two (7) is fixed in the lower end of steel plate support two, the front end output shaft (16) of motor two is fixed with front semi-convex trapezoidal tool post (10), and the rear end output shaft of motor two is fixed with rear semi-convex trapezoidal tool post (14)；The upper end of steel plate support one (3) is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor one (6) is fixed in the lower end of steel plate support one, the front end output shaft (16) of motor one is fixed with the recessed trapezoidal tool post one (9) of first half, and the rear end output shaft of motor one is fixed with later half recessed trapezoidal tool post one (13)；The upper end of steel plate support three (5) is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor three (8) is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with the recessed trapezoidal tool post two (11) of first half, and the rear end output shaft of motor three is fixed with later half recessed trapezoidal tool post two (15)；The recessed trapezoidal tool post one of first half and later half recessed trapezoidal tool post one form a umbilicate recessed trapezoidal tool post, the recessed trapezoidal tool post two of first half and later half recessed trapezoidal tool post two form another umbilicate recessed trapezoidal tool post, and the side surface of each recessed trapezoidal tool post is separately installed with multiple cutter head (12)；Front semi-convex trapezoidal tool post and rear semi-convex trapezoidal tool post form the convex trapezoidal tool post that a centre is convex, and the side surface of convex trapezoidal tool post is provided with multiple cutter head (12)；
During the work of described locking notch pile pile-formation machine, the position between grouting pump trapezoidal tool post recessed to the left side and the convex trapezoidal tool post in centre and between the convex trapezoidal tool post of the recessed trapezoidal tool post in the right and centre irrigates water under high pressure respectively, motor one drives the recessed trapezoidal tool post one of first half and the rotating forward of later half recessed trapezoidal tool post one, motor three drives the recessed trapezoidal tool post two of first half and the reversion of later half recessed trapezoidal tool post two, motor two drives front semi-convex trapezoidal tool post to rotate forward, after motor two drives, semi-convex trapezoidal tool post inverts, the recessed trapezoidal tool post one of first half, later half recessed trapezoidal tool post one, the recessed trapezoidal tool post two of first half, later half recessed trapezoidal tool post two and front semi-convex trapezoidal tool post, rear semi-convex trapezoidal tool post in rotation by the soil cutting of its lower end；Left end is cut into recessed bathrocephaly in rotation by the recessed trapezoidal tool post one of first half, later half recessed trapezoidal tool post one, and right-hand member is cut into recessed bathrocephaly in rotation by the recessed trapezoidal tool post two of first half, later half recessed trapezoidal tool post two；The soil body machined away is mixed in mud, and water under high pressure constantly fills, and mud constantly flows out from hole, and drilling rod one forms about one two ends during being pressed into downwards and is respectively provided with the hole of recessed bathrocephaly, casting concrete, formation concrete fore shaft stake in this hole；
The concrete structure of described octagon stake pile-formation machine includes: the upper end of the lower end fixed motor 4 22 of drilling rod 2 21, and motor four lower end is provided with gearbox 23, and the output shaft of gearbox lower end is fixed with drill bit 2 24；The left end of gearbox, right-hand member, front end, rear end export a power transmission shaft 25 respectively, and the outer end of each power transmission shaft fixes a tulwar 26 respectively；
The specific works mode of described octagon stake pile-formation machine: during work, grouting pump is to drill bit two grout injection, motor four drives gearbox to operate, gearbox drives drill bit two to rotate in operation process, and the soil cutting of drill bit two lower end is stirred in rotary course by drill bit two with cement mortar；Gearbox drives left end, right-hand member, front end, the power transmission shaft of rear end to drive a tulwar to rotate respectively in operation process respectively, and the circular cut that drill bit two is formed in rotary course by four tulwars stirs into octagon with cement mortar；Drilling rod two forms soil cement octagon stake during being pressed into；
Described locking notch pile pile-formation machine manufactures Y shape fore shaft with octagon stake pile-formation machine associated working and is connected the working method of piling wall: in the original position needing pile axis, 1. number soil cement octagon stake is manufactured according to the working method of above-mentioned octagon stake pile-formation machine with octagon stake pile-formation machine, right lateral side in 1. number octagon stake is spaced the distance of a locking notch pile and manufactures 2. number soil cement octagon stake, forward right side in 2. number octagon stake is spaced the distance of a locking notch pile and manufactures 3. number soil cement octagon stake, right lateral side in 3. number octagon stake is spaced the distance of a locking notch pile and manufactures 4. number soil cement octagon stake, so manufacture the soil cement octagon stake of one the locking notch pile distance in multiple intervals；When the soil cement intensity of the octagon stake on both sides reaches a timing, again in the distance between the octagon stake that each two is adjacent, manufacture a concrete fore shaft stake with locking notch pile pile-formation machine according to the working method of above-mentioned locking notch pile pile-formation machine, make the recessed trapezoidal octagon stake being fit to locking notch pile two ends convex trapezoidal at each locking notch pile two ends；Front portion in each single sequence number soil cement octagon stake, manufacture a concrete fore shaft stake, the recessed trapezoidal of this locking notch pile is made to be fit to the convex trapezoidal of octagon stake, it is thusly-formed the piling wall that the concrete fore shaft stake mutual Y shape fore shaft of the concrete fore shaft stake between multiple soil cement octagon stake and each two octagon stake and single sequence number soil cement octagon stake front portion is connected, for gear soil, the antiseep on building basis.
2. connect piling wall according to a kind of Y shape fore shaft described in claim and manufacture equipment, it is characterised in that: the convex trapezoidal of the recessed trapezoidal and octagon each edge place of described locking notch pile is coincide.
3. connect piling wall according to a kind of Y shape fore shaft described in claim and manufacture equipment, it is characterised in that: the convex trapezoidal of the recessed trapezoidal and convex trapezoidal tool post cross section of the recessed trapezoidal tool post cross section of described locking notch pile pile-formation machine is coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296249.0A CN105862821A (en) | 2016-05-09 | 2016-05-09 | Y-shaped latching connection piling wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296249.0A CN105862821A (en) | 2016-05-09 | 2016-05-09 | Y-shaped latching connection piling wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105862821A true CN105862821A (en) | 2016-08-17 |
Family
ID=56631284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610296249.0A Withdrawn CN105862821A (en) | 2016-05-09 | 2016-05-09 | Y-shaped latching connection piling wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105862821A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735301A (en) * | 2016-05-09 | 2016-07-06 | 吕文娥 | Buckled cross-shaped pile wall |
| CN105821871A (en) * | 2016-05-09 | 2016-08-03 | 吕文娥 | Inserting opening connection type V-shaped broken-line pile wall |
| CN105862825A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Y-shaped socket buckling connection piling wall |
| CN105862826A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Y-shaped socket buckling connection piling wall |
-
2016
- 2016-05-09 CN CN201610296249.0A patent/CN105862821A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735301A (en) * | 2016-05-09 | 2016-07-06 | 吕文娥 | Buckled cross-shaped pile wall |
| CN105821871A (en) * | 2016-05-09 | 2016-08-03 | 吕文娥 | Inserting opening connection type V-shaped broken-line pile wall |
| CN105862825A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Y-shaped socket buckling connection piling wall |
| CN105862826A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Y-shaped socket buckling connection piling wall |
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| C06 | Publication | ||
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Application publication date: 20160817 |