CN108060674A - Prefabricated assembled reinforcing bar concrete support system - Google Patents
Prefabricated assembled reinforcing bar concrete support system Download PDFInfo
- Publication number
- CN108060674A CN108060674A CN201611009338.9A CN201611009338A CN108060674A CN 108060674 A CN108060674 A CN 108060674A CN 201611009338 A CN201611009338 A CN 201611009338A CN 108060674 A CN108060674 A CN 108060674A
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- support
- support system
- reinforcing bar
- bar concrete
- connector
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- 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
-
- 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
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- Engineering & Computer Science (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)
- Structural Engineering (AREA)
- Foundations (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
In Foundation Pit Support Engineering, to solve the shortcomings of traditional inner support system construction is cumbersome, speed is slow, cost is high, dismounting is difficult, a kind of way of brand-new assembled reinforcing bar concrete support is invented, i.e.,：Using reusable prefabricated reinforcing bar concrete component and newly developed special connector, combined cast-in-situ enclosure wall capping beam or purlin beam and support stake carry out splicing installation at the scene, form complete support system.It can easily be dismantled after the completion of excavation, for reusing；It economizes on resources, meets the requirement of low-carbon, green engineering.
Description
Technical field
The present invention relates to a kind of ways of the support system for deep pit digging bracing engineering, establish complete set
Prefabricated assembled steel skeleton concrete support system has filled up a blank in Foundation Pit Support Engineering field.
Background technology
With the utilization of continually developing of the underground space, foundation pit enclosure has become the most popular engineering of current geotechnical engineering circle.
Foundation Pit Support Engineering shows two main trend at present：First, foundation pit planar range constantly expands；2nd, excavation of foundation pit depth constantly adds
It is deep.Foundation pit periphery sets enclosure wall, and it is to be most widely used in current deep-foundation pit engineering and degree of safety that inside, which sets up support system,
Highest foundation pit enclosure way goes along with sb. to guard him way this, and support system is the key that Foundation Pit Support Engineering success or failure.
At present, the most common way of foundation pit support system is cast-in-situ reinforced concrete support system and assembled steel tube supporter
System.Cast-in-situ reinforced concrete support system has many advantages, such as that anti-collision is good in the anti-digging process of good integrity, structure, degree of safety is high,
It is most common support system in current deep-foundation pit engineering；But with constructing, cumbersome, speed is slow, cost is high, removes difficulty etc. for it
Shortcoming.Application of the assembled steel tube support system at present in Foundation Pit Support Engineering is also relatively broad, and advantage is：Speed of application
Soon, recyclable recycling, but it also has the shortcomings that apparent：Overall stiffness is relatively low, collision resistance is poor, supports span cannot mistake
Long, these all limit its application in plane large scale pattern foundation pit supporting structure, and security is low, accident rate is high, now mainly in combination with steel
The support of muscle concrete is in long narrow municipal works pipeline foundation pit and Metro Deep Excavation, the application in Large Foundation Pit engineering have been located
In superseded state.
The prefabricated PC shaped steel combination support occurred in recent years and fish-bellied type tensioning shaped steel combination support way, still locate
In exploitation and examination popularization stage, but there are the shortcomings that support system insufficient rigidity.
The content of the invention
To solve the problems, such as that above-mentioned each support system exists, a kind of prefabricated assembled reinforcing bar concrete support system has been invented,
Possess the advantages of cast-in-situ reinforced concrete support system overall stiffness is big, and cast-in-situ reinforced concrete Construction of Supporting tedious process can be overcome,
Tear the shortcomings that support is difficult open.
The present invention is directed to Foundation Pit Support Engineering, it is proposed that a kind of way of brand-new assembled reinforcing bar concrete support.Using can
The prefabricated reinforcing bar concrete component and newly developed special connector, combined cast-in-situ enclosure wall capping beam or purlin beam and branch reused
Support stake carries out splicing installation at the scene, forms complete support system.It can easily be dismantled after the completion of excavation, for repeating to make
With.It economizes on resources, meets the requirement of low-carbon, green engineering.
Beneficial effects of the present invention：
For Foundation Pit Support Engineering, it is proposed that a kind of way of brand-new assembled reinforcing bar concrete support overcomes cast-in-place steel
Muscle concrete Construction of Supporting tedious process tears the shortcomings that support is difficult open；With speed of application it is fast, it is recyclable recycling, economize on resources, accord with
Close low-carbon, green engineering requirement the features such as.With important engineering application value and vast potential for future development.
Description of the drawings
The present invention will be described with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 .1~Fig. 1 .5 are the support distribution of various foundation pit forms and mutual connection in the embodiment of the present invention 1
Way.
Fig. 2 .1~Fig. 2 .3 are the ways of each precast support component in embodiment of the present invention.
Fig. 3 .1~Fig. 3 .6 are the embodiment of the present invention connection ways of middle part connector and each node in upper strata at the middle and upper levels.
Fig. 4 .1~Fig. 4 .2 are side connector and capping beam or purlin beam and supporting member in embodiment of the present invention
Connect way.
Fig. 5 is to support stake and the connection way of each prefabricated components in embodiment of the present invention in each node of lower floor.
Wherein：
1 --- prefabricated main supporting member；
2 --- prefabricated web member (including diagonal supporting member)；
3 --- connector in the middle part of upper strata (including lattice support bearing beam 7. with markization bottom plate 8., also including in pile cover
Empty connect baseWith markization connecting bottom boardThe connecting bottom board that can move freely)；
4 --- support stake；
5 --- capping beam or purlin beam；
6 --- side connector；
7 --- overhanging section；
8 --- side built-in fitting；
9 --- temporary connection；
1. --- outsourcing steel skeleton；
2. --- concrete；
3. --- steel pipe；
4. --- pile pile；
5. --- steel reinforced concrete end；
6. --- plastic hollow pipe；
7. --- lattice supports bearing beam；
8. --- markization bottom plate；
9. --- bolt；
10. --- pull rod；
--- triangle armpit plate；
--- backing plate (includingWith)；
--- bearing beam (main support and web member bearing beam)；
--- temporary weld bracket；
--- power transmission shaped steel inside main support；
--- main support connection shaped steel；
--- main support backing plate；
--- web member backing plate；
--- (each one piece up and down, be fixed on bottom plate specific connection haunch plate, periphery and main support, stay bolt
Connection)；
--- the hollow connect base with pile cover；
--- the supporting member connecting plate in the middle part strap bolt hole of markization；
--- the connecting bottom board that bolt can move freely before screwing；
--- end socket end plate；
L1--- the mark length of the prefabricated main supporting member in middle part；
L1' --- the mark length of the prefabricated main supporting member in side and orthogonal web member；
L2--- the mark length of the prefabricated web member in middle part or brace component；
L2' --- the prefabricated web member in side or brace component mark length；
L3--- the main supporting member mark length of section is adjusted, is determined according to engineering site situation；
L3' --- section brace component mark length is adjusted, is determined according to engineering site situation；
A --- length (as a >=1500mm, should the extension supporting stake at the node) is chosen outside overhanging section；
B --- enclosure wall capping beam or purlin beam axis to side connector distance；
C --- the length (c=L of temporary connection 9 in Fig. 1 .11Or L2When, 9 use the standard body of rod, c ≠ L1Or L2When, it adopts
It is attached with interim steel construction).
In figure in addition to the adjusting section body of rod represented by phantom line segments and close to the component at enclosure wall edge, remaining precast support
Component is L using the standard body of rod, that is, component length1Or L2。
Specific supporting member and connecting node way are as follows
1, it is first determined the plane distribution of support system passes through the plane distribution form point to a large amount of foundation pit support systems
Analysis, it is found that its distribution is regular, is that vertically and horizontally how diagonally disposed branched support is with corner mostly.Accordingly, the present invention proposes
Prefabricated main supporting member 1, web member 2, the flexible combination of middle part connecting node 3, with reference to the support stake 4 at node and base
Cheat periphery capping beam or purlin beam 5 and at overhanging section 7 of connector 6, capping beam or purlin beam and it is pre-buried therein while it is pre-
Embedded part 8 is drafted the distribution of support system by the true form designed according to foundation pit, and scene is spliced to form complete support system,
Referring to Fig. 1 .1~Fig. 1 .5.
2nd, the way of the prefabricated main supporting member in the present invention is referring to Fig. 2 .1.The way of main supporting member is outsourcing reinforcing bar
Frame 1., inside set steel pipe 3., 2. formed using concrete is poured, have resistance to compression, bending resistance cut that intensity is high, rigidity is big and weight relatively
Gently, simple, prefabricated reinforcing bar component outsourcing shaped steel anticollision is connected with specific connecting node, facilitates realization reuse etc. special
Point.Outside steel pipe can also be used 3. in the prefabricated main supporting member of the present invention, and interior wall liner concrete pile pile 4. way connects steel and concrete at both ends
5. end is interconnected with facilitating, referring to Fig. 2 .3；And for different foundation pits, the way and size of this component are unified
, mark length b is 8~15m, generally 10m.Every layer of support supporting member used is square section and size phase
Together, to upper support, the section length of side is 550~750mm, generally takes 700mm, weighs about 5T；The lower support section length of side generally takes
For 800~1000mm, 8~10T is weighed about.In this way, the installation of component can be carried out with conventional cranes or digging machine.
3rd, for the prefabricated web member 2 in the present invention referring to Fig. 2 .2, way and main supporting member are essentially identical, are outside steel
1., 6. inside sets plastic hollow pipe to skeleton, and the intensity requirement that can meet component is again cost-saved；Equally, prefabricated web member structure
Outside steel pipe can also be used 3. in part, interior wall liner concrete pile pile 4. way, is 5. interconnected in both ends connection steel and concrete end with facilitating.
It for convenience of splicing installation and removal and reuses, which is also Uniform Construction, uniform sizes, cross-sectional width and main branch
It is identical to support component 1.
4th, upper level support middle part connector 3 (attached drawing 3.1) has been made in the present invention, has realized and is propped up at the scene
The connection of the various components of support body system.Connection method is such as：Three-dimensional connection (attached drawing 3.2), cross connection (attached drawing 3.3), multidirectional connection
(attached drawing 3.4 and Fig. 3 .5)；It is illustrated by taking the cross connection in Fig. 3 .3 as an example：First by lattice bearing beam 7. by holding in the palm temporarily
FrameBe welded in support stake 4 top, bearing beam 7. one markization of overlying support connecting bottom board 8., will in design drawing support stake 4
The prefabricated main supporting member 1 that both sides are located on same axis is placed in connecting bottom board 8. top, is positioned by theodolite or total powerstation
Main supporting member, then by bearing beam 7. with connecting bottom board 8., 8. 9. main supporting member and connecting bottom board tentatively connected with bolt
It connects, web member 2 is also installed by this step, after installation is complete, in prefabricated main supporting member 1 and prefabricated web member 2 just
With upper and lower two pieces of triangles armpit plate at friendshipTentatively fixed, the triangle armpit plate of supporting member and both sides is carried out by boltPass through drawing
10. bar is attached reinforcing to enhance overall stability；By adding main support power transmission shaped steel between two main supporting membersTo push up
The end socket end plate of tight inner bracing memberTo transfer axial force of the supports.Other node connection modes can be done according to what cross connected
Method.These mechanical requirements such as connection can not only meet the various buckling resistants of support, bending resistance is cut, and easy to assembly, dismounting of constructing
Simply, it is reusable.Miscellaneous connecting rod in complicated support system is passed through into a kind of universal company in general inside
Fitting realizes easily connection.
5th, in the present invention the horizontally-supported middle part connector 3 in upper strata has been made for the bracing engineering of one or more layers support
Another way, be illustrated by taking Fig. 3 .6 as an example：Yi Sijiao is bolted at the top of steel frame column support stake 4
Hollow steel plate base with pile coverLower part connection one with hole cut can freely activity connecting plateOverlying mark
Support connecting bottom boardConnecting plateHollow steel plateSupport connecting bottom boardThree plates are attached by bolt, next
Installation steps it is identical with the step in 4.The connection method can also solve to set the generalities such as various deviations existing for support stake
Problem, and requirement of the foundation pit enclosure to the various stress performances of support system can be met, and can realize that component unitizes, and makes peace
Dress, easy removal.
6th, the present invention proposes support system connection side of cast-in-place capping beam or purlin beam 5 along foundation pit periphery and enclosure wall
Method (4.1~Fig. 4 of attached drawing .2), support system are connected with various connection modes with periphery, and Fig. 1 .1~Fig. 1 .5 are shown：Support structure
Part connection orthogonal with Zhou Bianliang, oblique connection, positive oblique connects, diclinic commissure connects, the connection of three bars.With shown in Fig. 4 .1 just
Commissure, which connects, to be illustrated：Side connector 6 and the built-in fitting 8 in capping beam or purlin beam are connected firmly first, unwrapping wire, positioning master
Then main 1 end of supporting member is positioned over 6 top of side connector by axis of support, movement adjusts main supporting member 1, makes its axis
Line is overlapped with designing main axis of support, and main supporting member 1 is bolted with side connector 6 by the bolt hole of setting,
Pre-applied force is applied to main supporting member 1 by design requirement, holds out against main supporting member, the bolt of each several part is screwed, completes assembling.Institute
Some connections are all achieved by unified side connecting elements 6.The side connecting elements 6 invented, which possesses, bears what support was transferred
Axial compressive force, the ability of lateral force, can suitably apply precompression, hold out against the supporting member of assembling, can effectively rise
To supporting role.Side connecting elements 6 also unitizes, ease of assembly, dismounting.
The connection of support system and the foundation pit side capping beam or purlin beam of the present invention, by overhanging section 7 of cast-in-situ reinforced concrete beam
Length, adjust assembling after overally support system length, make Assembled prefabricated reinforcing bar support suitable for various forms, various rule
The base pit engineering of mould.
The present invention first carries out cloth when arranging support system by unit of the mark length of the middle support member of standard
Put, vacate the gap with periphery enclosure wall, using it is cast-in-place it is overhanging choose length and fill up, easily solve support system structure
Part unitizes and the problem of versatility.
7th, the present invention is directed to the lower layer support of multilayer, it is proposed that unified inside universal connecting components way (attached drawing 5), connection
Mode can refer to the connection mode of Fig. 3 .2~Fig. 3 .5.In Practical Project, steel structure supports deviation of the stake there may be vertical direction,
Offset to various directions, the rotation deviation of section of steel structure itself etc. may occur for pile center position, and these are required for foundation pit to open
It just can determine that specific situation after digging, make the assembling of realization standardized components become highly difficult.The connector of the present invention is using a kind of
Unified inner connecting way, and propose easy method and be attached with support stake so that lower support standard element
Various connection modes are achieved.The inside connector invented bears enclosure wall and goes along with sb. to guard him water and soil by what peripheral connector transmitted
The curved scissors power transmitted that lateral pressure, supporting member are conducted oneself with dignity and component is further applied load, and these power are passed into steelframe support column.
The specific implementation step of the present invention is as follows：
1., according to Rock And Soil character and foundation pit peripheral ring in the range of the flat shape, cutting depth, cutting depth of foundation pit
Border is determined the plane distribution of support system and the number of plies of required support system by traditional method.According to the supporting plane drafted
Layout drawing, the main supporting member 1 of prefabricated reinforcing bar standardized according to the present invention and the requirement of prefabricated 2 dimensioning of reinforcing bar web member
It is arranged, determines position and the quantity of each middle part tie point 3, while supporting member 1 needed for also defining and web member 2
Distribution and quantity and support are along foundation pit periphery capping beam or overhanging section 7 of size of purlin beam 5 and the distribution of side connector 6
With quantity.
2., set along the circle of foundation pit one as requested and go along with sb. to guard him piling wall, traditionally connect in the middle part of foundation pit at the middle part drafted
Contact sets the support stake 4 of steel structure.
3., overhanging section 7 of the capping beam 5 in the fender post wall top portion of constructing on request and each support edge tie point, and bury
Good side connects built-in fitting 6；
4., the deviation of measurement bracing members column 4, the universal connecting components 3 that will be set inside the upper support of the present invention and branch
The top of support stake steel structure column 4 is attached, and makes internal 3 center of universal connecting components alignment design stake position center, then will be each
9. precast support component 1 and web member 2 are tentatively connected with internal connector with bolt；
5., on the tie point chosen outside the periphery capping beam 5 of foundation pit with the connection mode of the present invention by supporting member 1 and abdomen
Bar component 2 is tentatively connected with capping beam 5；
6., after all support system horizontal layouts have been formed, the position for measuring and adjusting each prefabricated connecting elements makes it
It is located substantially at main support 1 on same axis, irrelevance should meet design requirement；Then at two end edge tie points of main support
Precompression is applied in opposite directions to main supporting member 1 by design requirement, it is made to hold out against main support and corresponding web member；Then to all inside and outside
9. the connection bolt of tie point is finally tightened, so complete upper support.
7., for one layer support foundation pit, can directly be excavated after upper support is formed hole bottom, construct sole plate.
For the deep basal pit of Multi-layer supporting, can directly it be excavated at the absolute altitude at lower layer support bottom after upper support is formed, each
Each connector component inside lower support is connected by inner attachment points by the method for the present invention with support steel column, makes internal connector
Center is consistent with design column center, can start to assemble lower support 1 and the connection operation of web member 2 after finishing.
8., it is synchronous construct periphery purlin beam 5 by design requirement along foundation pit periphery, and be same as above by the platform distribution situation of support
Portion's support way pours overhanging section 7, and pre-buried lower periphery supports connector 6, and supporting member 1 and web member 2 are connected with periphery
Part 6 forms preliminary connection.
9., same to upper support, adjustment is measured to the main support of each assembled formation, main axis of support is made to be formed directly
Line, deviation should meet design requirement, then apply precompression by design requirement in opposite directions at main support periphery both ends, hold out against main branch
9. support, then finally tightens the bolt of all inside and outside tie points, form lower support.Lower multilayer is supported with reference to upper
State way progress.
Bottom plate can be excavated after the completion of lower support, foundation slab structure of constructing, can be by enclosing after completing foundation slab structure
Shield design requirement from top to bottom removes the support of each layer, and each component disassembled is used for new building site.
Complicated Foundation Pit Support Engineering support system is reduced to two kinds of markizations and reusable pre- by the present invention
Component processed --- supporting member and web member and two kinds of markizations, reusable connector --- internal connector and
Periphery connector；Support system is formed by simply splicing assembling, base pit engineering is again easy to disassemble after finishing, so that next time makes
With.Speed of application is improved, project cost is reduced and can reuse, realizes low-carbon, environmentally protective engineering concept.
Claims (10)
1. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：The plane distribution that the present invention supports completely can be in accordance with
The Spreading requirements of traditional cast-in-situ reinforced concrete support system, it is only necessary to two kinds of prefabricated markization components --- supporting member and web member,
With reference to two kinds of connecting elements --- internal universal connecting components and external universal connecting components；Utilize these standard elements, inside and outside connection
The capping beam and purlin beam that overhanging section of part, peripheral band, for the base pit engineering of various plane situations, can easily splice and combine shape
Into complete support system.
2. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：Form the prefabricated reinforcing bar concrete support of this support system
Component and web member do skeleton by the shaped steel of outsourcing, and connecting inner hollow steel pipe casting concrete is formed；Because stress is small, web member
Component inside replaces steel pipe by plastic tube.It is to choose the shaped steel head of reinforcement and drilling, confession and connector outside at the both ends of prefabricated components
It is bolted.
3. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：The component of this support system is formed by the steel of outsourcing
Bone liner reinforced concrete pipe is formed, and in the end that the both ends of prefabricated tubular element are connected to be made of steel and concrete, end has outer choose to add
Strong shaped steel head and drilling are bolted in a manner that above-mentioned 2 is same with connector.
4. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：The middle part for proposing upper strata precast support component is universal
Connector, which is welded to connect using special lattice bearing beam and support stake by bracket, above the lattice bearing beam
Set markization connecting bottom board, the bottom plate be equipped with selectable multiple connecting holes, to solve due to set support stake deviate and
The problem of being not easy to connect can reach the connection of all directions and Duo Gen web members and supporting member by connecting bottom board.
5. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：It proposes and passes through bolt in steel frame column support stake top
Connect one or four jiaos carry pile cover hollow steel plates, lower part connection one with hole cut can freely activity connecting plate, overlying mark
Support connecting bottom board, connecting plate, hollow steel plate, support connecting bottom board, three plates are attached by bolt, and hollow steel plate is left blank
Presence can facilitate lower connecting plate and the large range of movement of upper support connecting bottom board, with adjust due to steelframe support stake can
The connection error that various center deviations existing for energy are brought.Support connecting bottom board is passed through into bolt hole with top precast support component
It is bolted, all directions and the company of Duo Gen web members and supporting member is can reach by calibrating the bottom plate after centering
It connects.
6. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：It proposes at middle part connector both ends and in same axis
Supporting member top on line, by specifically connecting way and the main branch that shaped steel connects the supporting member at tie point
Support component is connected the overall stability for strengthening support system with web member by triangle haunch plate；In main support structure
Specific power transmission shaped steel is added between part, achievees the purpose that the transmission of power between main supporting member.
7. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：Lower floor's precast support component and web member and support
Stake column middle part connector, this connector be directed to set support stake generate various complexity deviation situation, will support and
The force transmission beam in web member direction is welded through column steel member, is then connected with bottom by preformed hole on crossbeam
Plate, then connected the supporting member of all directions and web member with bolt by the triangle of bottom plate and markization connection armpit plate of putting more energy into
It connects, forms support system.
8. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：Top and the bottom support system is along foundation pit periphery and enclosure wall
The connection of top capping beam or lower part purlin beam use with beam it is whole pour to choose outside reinforced concrete stretch section and the outside at overhanging section connects
Fitting is connected with inner support body system with simple markization precast support component and web member, and combination forms whole support
System.
9. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：Along one week support system of foundation pit and capping beam and purlin
The connection of beam employs unified side connector, and this external edge connector can be dismantled, reused, and is applied using bolt rotation
Add precompression, and specific power transmission shaped steel is installed, undertake axle power and curved scissors power that support is transmitted.
10. a kind of prefabricated assembled reinforcing bar concrete support system, it is characterized in that：Along one week support system of foundation pit and capping beam and purlin
The connection of beam is used in unified external member connector, and this external connection member can be dismantled, reused；Using being driven into
Gad block applies pre-applied force, and installs specific power transmission shaped steel, undertakes axle power and curved scissors power that support is transmitted.
All technical solutions formed using equivalent substitution or equivalent transformation, all fall within the scope of protection of present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009338.9A CN108060674B (en) | 2016-11-09 | 2016-11-09 | Prefabricated assembled steel bone concrete support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009338.9A CN108060674B (en) | 2016-11-09 | 2016-11-09 | Prefabricated assembled steel bone concrete support system |
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| Publication Number | Publication Date |
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| CN108060674A true CN108060674A (en) | 2018-05-22 |
| CN108060674B CN108060674B (en) | 2021-04-27 |
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| CN201611009338.9A Active CN108060674B (en) | 2016-11-09 | 2016-11-09 | Prefabricated assembled steel bone concrete support system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000058238A (en) * | 1999-10-30 | 2000-10-05 | 홍원기 | Underground construction method using permanent reinforced concrete girders as temporary struts |
| CN201176594Y (en) * | 2008-03-04 | 2009-01-07 | 杨峰 | Reinforced concrete support ring beam for deep-foundation pit |
| CN203530990U (en) * | 2013-09-28 | 2014-04-09 | 福建工程学院 | Deep foundation pit shoring retaining wall steel pipe concrete supporting structure |
-
2016
- 2016-11-09 CN CN201611009338.9A patent/CN108060674B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000058238A (en) * | 1999-10-30 | 2000-10-05 | 홍원기 | Underground construction method using permanent reinforced concrete girders as temporary struts |
| CN201176594Y (en) * | 2008-03-04 | 2009-01-07 | 杨峰 | Reinforced concrete support ring beam for deep-foundation pit |
| CN203530990U (en) * | 2013-09-28 | 2014-04-09 | 福建工程学院 | Deep foundation pit shoring retaining wall steel pipe concrete supporting structure |
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| Publication number | Publication date |
|---|---|
| CN108060674B (en) | 2021-04-27 |
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Address after: 310000 16, B block, Rubo International Building, 673, Xihu District, Hangzhou, Zhejiang. Patentee after: Zhejiang NANLIAN Civil Engineering Technology Co.,Ltd. Patentee after: Yan Ping Address before: 310000 16, B block, Rubo International Building, 673, Xihu District, Hangzhou, Zhejiang. Patentee before: HANGZHOU NANLIAN CIVIL ENGINEERING TECHNOLOGY Co.,Ltd. Patentee before: Yan Ping |
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