CN107653887A - A kind of slip casting bolt for assembled pattern foundation pit supporting structure - Google Patents
A kind of slip casting bolt for assembled pattern foundation pit supporting structure Download PDFInfo
- Publication number
- CN107653887A CN107653887A CN201710725886.XA CN201710725886A CN107653887A CN 107653887 A CN107653887 A CN 107653887A CN 201710725886 A CN201710725886 A CN 201710725886A CN 107653887 A CN107653887 A CN 107653887A
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- Prior art keywords
- bolt
- slip casting
- foundation pit
- standard
- pit supporting
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- 238000007569 slipcasting Methods 0.000 title claims abstract description 79
- 230000008093 supporting effect Effects 0.000 title claims abstract description 58
- 239000002689 soil Substances 0.000 claims abstract description 29
- 206010058109 Hangnail Diseases 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 31
- 229910000831 Steel Inorganic materials 0.000 description 25
- 239000010959 steel Substances 0.000 description 25
- 238000010586 diagram Methods 0.000 description 24
- 239000000306 component Substances 0.000 description 12
- 238000009412 basement excavation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 125000003003 spiro group Chemical group 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- 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
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
Abstract
The present invention relates to a kind of slip casting bolt for assembled pattern foundation pit supporting structure, for forming the connection between the box-type member standard component of pattern foundation pit supporting structure and surrounding soil, it is characterised in that：Slip casting bolt uses pin-connected panel, is fixedly connected sequentially and is formed by screw cap end, one or more standard paragraphs screw rod and bolt tip, and screw cap end is the component that slip casting bolt is connected with box-type member standard component；Bolt tip, to facilitate slip casting bolt to squeeze into the soil body；By the length of the whole slip casting bolt of how much changes of standard paragraphs screw rod quantity, standard paragraphs shank of bolt is elongated hollow and be provided with injected hole.
Description
Technical field
The invention belongs to Base hole supporting technology field, is related to a kind of fast standard assembled foundation ditch using slip casting bolt
Supporting construction.
Background technology
Since 21 century, the living standard of people is greatly improved, and economic development is rapid, scientific and technological progress effect
It is clear that the paces of urban construction are also being accelerated.Therefore, in recent years, the exploration project of skyscraper and the underground space
More and more, this also causes the quantity of base pit engineering and its depth increasing day by day.And because base pit engineering has excavation
The problems such as time is long, technical requirements are high, difficulty of construction is big and construction condition is poor is present, and can all there be foundation ditch work in China every year
Journey accident occurs, and this brings immeasurable loss to the development of national economy and national society.In consideration of it, for foundation ditch
The scheme of support engineering, which carries out preferably and scheme is optimized design, has more profound significance.
Pattern foundation pit supporting structure is a kind of construction interim measure for stablizing foundation ditch, because excavation of foundation pit is to the soil body of original stress equilibrium
Disturbed, the effect of foundation pit supporting construction is mainly subject to caused soil pressure and underground water after excavation
Pressure, foundation ditch top, side wall and surrounding enviroment are reinforced, closed, isolated, supported and protected, and this pressure transmission is arrived
Supporting construction, the safety of underground construction and surrounding enviroment is ensured with this.
Foundation pit supporting construction pattern can be divided mainly into soil nail wall, gravity type cement soil wall, slope and supporting and retaining system formula structure etc..Branch
Gear formula structure is divided into again：Anchor pulling structure, brace type structure, cantilever structure etc..At present, these traditional pattern foundation pit supporting structure forms
Come with some shortcomings part.Wherein, non-support or simple mask are the most economical, but it is openr and all to be only limitted to excavation place
Condition of the side without building to be protected and underground utilities.Anchor formula and brace type structure is drawn to be applied to deep-foundation pit engineering.Cantilever
Stake building-in depth needs reach cantilever height 1 times to 2 times, because cantilever pile bears larger moment of flexure, has larger side
To displacement, sensitivity of the foundation ditch surrounding enviroment to foundation ditch displacement is must take into consideration so be only applicable to shallower foundation ditch, during use.Ground
Though continuous wall construction rigidity is big down, displacement is small, water-resisting property is good, its cost is high, especially in the design not diaphram wall
When being classified as agent structure needs to remove, the difficulty of construction of engineering is increased, have impact on the economic benefit of engineering.
Fabricated Structure for Support of Excavation, typically formed by prefabricated box component assembly, some above-mentioned skills can be overcome
The defects of art, flexible combination quick assembling is dismantled at the construction field (site), but Fabricated Structure for Support of Excavation has the soil with surrounding
Body connectivity is poor, is easy to the phenomenon that occurs collapsing and topple.Topple and fall to prevent the generation lateral displacement of supporting wall from producing
Collapse, it is necessary to supporting wall and surrounding soil are effectively connected, the soil body is produced constraint to wall, so as to formed have it is overall
The overall foundation pit supporting construction of stability.
The content of the invention
The present invention provides a kind of slip casting bolt suitable for assembled pattern foundation pit supporting structure, can be by supporting wall and surrounding soil
Effectively connect, the soil body is produced constraint to wall.The technical solution adopted by the present invention is：
A kind of slip casting bolt for assembled pattern foundation pit supporting structure, for forming box-type member standard component and the week of pattern foundation pit supporting structure
Enclose the connection between the soil body, it is characterised in that：Slip casting bolt uses pin-connected panel, by screw cap end, one or more standard paragraphs screw rod and
Bolt tip is fixedly connected sequentially composition, and screw cap end is the component that slip casting bolt is connected with box-type member standard component；Bolt tip,
To facilitate slip casting bolt to squeeze into the soil body；Pass through the length of the whole slip casting bolt of how much changes of standard paragraphs screw rod quantity, standard
Section shank of bolt is elongated hollow and be provided with injected hole.
Injected hole on standard paragraphs screw rod or for common injected hole or be hangnail type injected hole.Slip casting on standard paragraphs screw rod
Hole can be in staggered distribution.
Employ the present invention slip casting bolt foundation pit supporting construction compared with the prior art, beneficial effects of the present invention body
Now：
1. slip casting bolt can flexible independent assortment as needed；
2. assembling work efficiency high, installation is quick, and site operation operability is good；
3. the recyclable recycling of most of components, good in economic efficiency；
4. component can produce in factory normalization, can effectively save engineering material and engineering time, improve construction quality,
Reduce pattern foundation pit supporting structure cost；
5. can effectively improve box-type member into pattern foundation pit supporting structure wall reliability.
Brief description of the drawings
Fig. 1 is assembled slip casting bolt nut section B schematic diagrames of the present invention；
Fig. 2 is assembled slip casting bolt standard paragraphs screw rod D1 type schematic diagrames of the present invention；
Fig. 3 is assembled slip casting bolt standard paragraphs screw rod D2 type schematic diagrames of the present invention；
Fig. 4 is assembled slip casting bolt standard paragraphs screw rod D3 type schematic diagrames of the present invention；
Fig. 5 is assembled slip casting bolt standard paragraphs screw rod D4 type schematic diagrames of the present invention；
Fig. 6 is assembled slip casting bolt tip of the present invention E schematic diagrames；
Fig. 7 is schematic diagram before assembled slip casting bolt D1 types of the present invention assembling；
Fig. 8 is schematic diagram after assembled slip casting bolt D1 types of the present invention assembling；
Fig. 9 is schematic diagram after assembled slip casting bolt D3 types of the present invention assembling；
Figure 10 is using slip casting bolt and hollow rectangle steel inner support assembled pattern foundation pit supporting structure design sketch；
Figure 11 is using slip casting bolt and hollow rectangle steel inner support assembled pattern foundation pit supporting structure design sketch；
Figure 12 is pattern foundation pit supporting structure calibrated bolck A1 type component schematic diagrames；
Figure 13 is pattern foundation pit supporting structure calibrated bolck A2 type component schematic diagrames；
Figure 14 is pattern foundation pit supporting structure calibrated bolck A3 type component schematic diagrames；
Figure 15 is A1 types calibrated bolck and A2 type calibrated bolck staggered joint erection supporting construction slip casting bolt layout viewings；
Figure 16 is Figure 15 staggered joint erection supporting construction profiles；
Figure 17 is A3 type calibrated bolck staggered joint erection supporting construction slip casting bolt layout viewings；
Figure 18 is A1 types calibrated bolck and A3 type calibrated bolck staggered joint erection supporting construction slip casting bolt layout viewings；；
Figure 19 is that hollow rectangle steel inner support and slip casting bolt combination use foundation ditch profile；
Figure 20 is rectangle hollow steel inner support schematic diagram；
Figure 21 is that steel inner support connects arrangement schematic diagram by crisscross single Lengthened bolt；
Figure 22 is that steel inner support connects pattern foundation pit supporting structure profile by crisscross single Lengthened bolt；
Figure 23 is that steel inner support connects arrangement schematic diagram by parallelly-arranged double-row Lengthened bolt；
Figure 24 is that steel inner support connects pattern foundation pit supporting structure profile by parallelly-arranged double-row Lengthened bolt；
Figure 25 is generic connectivity bolt schematic diagram；
Figure 26 is lengthening connecting bolt schematic diagram.
Include in Fig. 1~26：
The common injected holes of 1-
2- hangnail type injected holes
3- slip casting bolts hole
4- link bolt hole
5- slip casting bolts
6- generic connectivity bolts
7- foundation pit supporting construction standard films A1
8- foundation pit supporting construction standard films A2
9- foundation pit supporting construction standard films A3
10- lengthens connecting bolt
11- hollow rectangle steel inner supports
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the technology of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
In conjunction with above-mentioned each accompanying drawing example, the present invention is expanded on further.
Core component of the present invention is assembled slip casting bolt, forms part such as Fig. 1-Fig. 6 institutes of assembled slip casting bolt
Show, respectively the nut section B of assembled slip casting bolt, four kinds of standard paragraphs screw rod D1 types, D2 types, D3 types and D4 types, and slip casting
Bolt tip E.Assembled slip casting bolt various pieces are that steel is prefabricated in processing space.
Fig. 1 is the nut section B of slip casting bolt, and major diameter threaded end is reserved by screw thread and foundation pit supporting construction standard film
Bolt hole tightens fixation, and smaller diameter end is connected by screw thread with standard paragraphs screw rod D, and screw thread is arranged on into outside by necking.Spiral shell
Cap section is elongated hollow to be not provided with injected hole along axis, facilitates the later stage to tear open for later stage slip casting, inflated diameter 60mm, nut section
Remove.
Fig. 2-Fig. 5 is four kinds of standard paragraphs screw rod D1-D4, and 1 is common injected hole in figure, and 2 be hangnail type injected hole, together
Sample, screw rod set injected hole also to be elongated hollow, along axis, and injecting paste material flows into the soil body in cored screw by injected hole
In.When using common injected hole 1, whether standard paragraphs screw rod is to be in staggered distribution to be divided into D1 types and D2 types by the distribution of injected hole,
When using hangnail type injected hole 2, whether standard paragraphs screw rod is to be in staggered distribution to be divided into D3 types and D4 types by the distribution of injected hole, is fallen
Thorn type injected hole can provide bigger restraining force when the soil body and slip casting bolt have relative changing of the relative positions trend, therefore supporting effect is more
Good, the injected hole that is in staggered distribution can make slurries be more evenly distributed in the soil body, therefore supporting effect also can be more preferable, but hangnail type
Injected hole and the injected hole manufacture craft that is in staggered distribution are somewhat complicated.Different standards can be selected according to soil property situation and economy
Section screw rod, selects D1 types, D4 types is selected when soil property is poor when soil property is preferable.In prefabricated supporting construction standard film and slip casting bolt
During various pieces, it should be noted that the diameter of bolt hole in nut section B large-diameter threads end and standard film center is greater than hangnail type slip casting
Diameter at the spiro rod section hangnail of hole, ensure that hangnail type injected hole spiro rod section can enter from bolt hole, nut section B major diameters in this example
The end of thread and the diameter of bolt hole in standard film center are 110mm, a diameter of 105mm at hangnail.Standard paragraphs screw rod D threaded one ends exist
Inner side, another section in outside, is conveniently connected, each type screw diameter and inflated diameter all same, respectively 80mm and
60mm。
Fig. 6 is slip casting bolt tip, and tip, which is set, facilitates slip casting bolt to enter the soil body, and screw thread is arranged on inner side, with standard
Section screw rod D connections.
Whole slip casting bolt installation and after entering the soil body by calibrated bolck bolt hole, mortar is pressed at nut to it.
When squeezing into slip casting bolt into the soil body, Luoyang Spade pore-forming can be first used, facilitates slip casting bolt to install.
When using two sections of shank of bolt D, assembled slip casting bolts assemblies are front and rear as shown in Fig. 7-Fig. 9.Fig. 7 is not assembled
When nut section B, 2 standard paragraphs screw rod D1 and slip casting bolt tip, Fig. 8 be the part of Fig. 7 tetra- carry out it is assembled after the completion of it is whole
Individual D1 types slip casting bolt.Fig. 9 is whole D3 type slip casting bolts after assembling.
Slip casting bolt various pieces are prefabricated in the factory, suitable length, convenience in transport, and scene can be as needed flexibly from not
Assembled use is carried out with quantity and different types of standard paragraphs screw rod D, slip casting bolt length is controlled by changing standard paragraphs screw rod
And slip casting effect, even if soil property is different at left and right sides of foundation ditch, it can also easily be combined the supporting for reaching economic and good
Effect.
Slip casting bolt proposed by the present invention is mainly used in the use of foundation pit supporting construction standard film, for making for slip casting bolt
With the present invention proposes a kind of pattern foundation pit supporting structure shape for strengthening pattern foundation pit supporting structure effect using slip casting bolt and hollow rectangle steel inner support
Formula, as shown in Figure 10 and Figure 11, primary structure is Fabricated Structure for Support of Excavation standard to assembled pattern foundation pit supporting structure design sketch in figure
Piece, steel inner support and slip casting bolt.
Present case carries out the explanation of slip casting bolt for three kinds of standard films.Figure 12 is pattern foundation pit supporting structure calibrated bolck A1 type structures
Part schematic diagram, size are 1m × 1m.Figure 13 is pattern foundation pit supporting structure calibrated bolck A2 type component schematic diagrames, and size is 1m × 0.5m.Figure 14
For pattern foundation pit supporting structure calibrated bolck A3 type component schematic diagrames, size is 1m × 2m.Each type reserved slip casting threaded screw fasteners when prefabricated
Hole 3 and connecting bolt bolt hole 4, as shown in Figure 12-Figure 14, one slip casting spiro keyhole position of A1 types is in calibrated bolck center, A3 types two
Individual slip casting spiro keyhole position is in calibrated bolck short side center line and long side quarterline point of intersection.
When being bolted the braced wall to form different arrangements using A1 types calibrated bolck and A2 type calibrated bolck staggered joint erections
Body structure, pattern foundation pit supporting structure, when standard film is all booked slip casting bolt, slip casting bolt combination shape are then carried out using slip casting bolt
Formula is as shown in figure 15, and profile is as shown in figure 16.Schematic diagram is as shown in figure 17 when using A3 type calibrated bolck staggered joint erections, when adopting
It is as shown in figure 18 with schematic diagram when A1 types calibrated bolck and A3 type calibrated bolck staggered joint erections.Wherein, 5 be slip casting bolt, and 6 be commonly to connect
Connecting bolt, 7 be A1 type calibrated bolcks, and 8 be A2 type calibrated bolcks, and 9 be A3 type calibrated bolcks.
As can be seen that when standard film is all booked slip casting bolt, no matter pattern foundation pit supporting structure uses which kind of assembly form, slip casting
Bolt can be distributed in standard film well and combine in the pattern foundation pit supporting structure wall to be formed.Meanwhile if soil condition is preferable, can
With the slip casting bolt of only being arranged to a part of standard film of selectivity, there is economic well imitate on the premise of construction safety is ensured
Fruit.It can thus be seen that slip casting bolt of the present invention has high flexibility, practicality and economy.
The present invention is proposed one kind and imitated using hollow steel inner support using bolt and standard film connection reinforcement pattern foundation pit supporting structure simultaneously
The pattern foundation pit supporting structure form of fruit, profile is as shown in figure 19, wherein 10 be lengthening connecting bolt, 11 be hollow rectangle steel inner support.It is empty
Heart rectangle steel inner support 11 has certain thickness, and bolt hole is left in the rigidity and intensity of itself when can keep being pressurized, one end, such as
Shown in Figure 20, hollow rectangle steel inner support can be needed to be designed to assembly form according to length and transport, and centre is connected by ring flange
Connect, only need both ends to have bolt hole.Hollow rectangle steel inner support 11 directly can be connected using lengthening connecting bolt 10 with standard film,
Connected mode can be divided into two kinds, and one kind is using crisscross single Lengthened bolt connection, schematic diagram and profile such as Figure 21
Shown in Figure 22.One kind is that Lengthened bolt connects side by side using parallelly-arranged double-row, and schematic diagram and profile are as shown in figure 23 and figure 24.
Wherein, 6 be generic connectivity bolt, and 10 is lengthen connecting bolt, and 11 be hollow rectangle steel inner support.
Because hollow rectangle steel inner support belongs to active force, the pressure that soil at both sides is transmitted to wall is born, can be considered axle center
Compression member, because axle power by steel inner support both ends is delivered to both sides standard film, lengthens connecting bolt 10 and be not subject to shear, only rise
Connection function.Hollow rectangle steel inner support both ends are that have certain thickness steel plate, and axle power can be uniformly delivered to both sides standard
On piece, and it is unlikely to make standard film compression excessive, hollow design can reduce deadweight, saving steel, and can reclaim
Utilize.
Figure 25 and Figure 26 be the present invention relates to bolt connection piece, respectively generic connectivity bolt and lengthen connection spiral shell
Bolt, Bolt sizes are chosen according to thickness of reference block, the long 450mm of present case generic connectivity bolt, lengthen the long 650mm of connecting bolt,
Practical engineering can flexibly change size according to actual conditions.
Detachably foundation ditch assembled supporting construction calibrated bolck, steel inner support and slip casting bolt nut section B proposed by the present invention are equal
Recoverable, such as during subway work, the component that leading portion construction finishes dismounting is constructed available for back segment, economy side
Just.And all parts can factory normalization production, live independent assortment is assembled, can improve construction quality, and have
High flexibility.
When detachable foundation ditch assembled supporting construction proposed by the present invention is removed, it then follows first remove steel inner support, then
Slip casting bolt nut section B is removed, one layer of standard pad configurations is then removed, backfills one layer of soil afterwards, from bottom to top removed and returned
Fill out, can so ensure the stabilization of foundation pit supporting construction and the soil body, and then ensure the security of work progress.
The invention is not limited to above-mentioned embodiment, and those skilled in the art are smart without prejudice to the present invention
Equivalent variations or replacement can be also made on the premise of god, these equivalent deformations or replacement are all contained in the application claim institute
In the range of restriction.
Claims (3)
- A kind of 1. slip casting bolt for assembled pattern foundation pit supporting structure, for forming the box-type member standard component and surrounding of pattern foundation pit supporting structure Connection between the soil body, it is characterised in that：Slip casting bolt uses pin-connected panel, by screw cap end, one or more standard paragraphs screw rod and spiral shell Bolt tip is fixedly connected sequentially composition, and screw cap end is the component that slip casting bolt is connected with box-type member standard component；Bolt tip, is used To facilitate slip casting bolt to squeeze into the soil body；Pass through the length of the whole slip casting bolt of how much changes of standard paragraphs screw rod quantity, standard paragraphs Shank of bolt is elongated hollow and be provided with injected hole.
- 2. bolt according to claim 1, it is characterised in that injected hole on standard paragraphs screw rod or for common injected hole or For hangnail type injected hole.
- 3. according to the bolt described in any one of claim 1 or 2, it is characterised in that the injected hole on standard paragraphs screw rod staggers Distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725886.XA CN107653887A (en) | 2017-08-22 | 2017-08-22 | A kind of slip casting bolt for assembled pattern foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725886.XA CN107653887A (en) | 2017-08-22 | 2017-08-22 | A kind of slip casting bolt for assembled pattern foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107653887A true CN107653887A (en) | 2018-02-02 |
Family
ID=61128657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710725886.XA Pending CN107653887A (en) | 2017-08-22 | 2017-08-22 | A kind of slip casting bolt for assembled pattern foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107653887A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030051002A (en) * | 2001-12-20 | 2003-06-25 | 주식회사 지오텍코리아 | Ground anchor |
| CN205036397U (en) * | 2015-10-15 | 2016-02-17 | 山东科技大学 | But recycle cavity cling compound slip casting stock |
| CN105672324A (en) * | 2016-01-22 | 2016-06-15 | 山东大学 | Construction method of recyclable assembled composite soil-nailed wall support based on anchor cables and soil nails |
| CN106480880A (en) * | 2015-08-28 | 2017-03-08 | 上海勘测设计研究院有限公司 | Recoverable soil nailing and the construction method using recoverable soil nail |
| CN207376628U (en) * | 2017-08-22 | 2018-05-18 | 天津大学 | A kind of slip casting bolt for assembled pattern foundation pit supporting structure |
-
2017
- 2017-08-22 CN CN201710725886.XA patent/CN107653887A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030051002A (en) * | 2001-12-20 | 2003-06-25 | 주식회사 지오텍코리아 | Ground anchor |
| CN106480880A (en) * | 2015-08-28 | 2017-03-08 | 上海勘测设计研究院有限公司 | Recoverable soil nailing and the construction method using recoverable soil nail |
| CN205036397U (en) * | 2015-10-15 | 2016-02-17 | 山东科技大学 | But recycle cavity cling compound slip casting stock |
| CN105672324A (en) * | 2016-01-22 | 2016-06-15 | 山东大学 | Construction method of recyclable assembled composite soil-nailed wall support based on anchor cables and soil nails |
| CN207376628U (en) * | 2017-08-22 | 2018-05-18 | 天津大学 | A kind of slip casting bolt for assembled pattern foundation pit supporting structure |
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Application publication date: 20180202 |