CN106088142B - A kind of prefabricated assembled pipeline foundation and its assembly method - Google Patents

A kind of prefabricated assembled pipeline foundation and its assembly method Download PDF

Info

Publication number
CN106088142B
CN106088142B CN201610580891.1A CN201610580891A CN106088142B CN 106088142 B CN106088142 B CN 106088142B CN 201610580891 A CN201610580891 A CN 201610580891A CN 106088142 B CN106088142 B CN 106088142B
Authority
CN
China
Prior art keywords
fastening structure
pile
prefabricated
support plate
pile cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610580891.1A
Other languages
Chinese (zh)
Other versions
CN106088142A (en
Inventor
任彧
戴鸣
戴一鸣
林驰
李晶
张璘琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Architectural Design Research Institute Co Ltd
Original Assignee
Fujian Architectural Design Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Architectural Design Research Institute Co Ltd filed Critical Fujian Architectural Design Research Institute Co Ltd
Priority to CN201610580891.1A priority Critical patent/CN106088142B/en
Publication of CN106088142A publication Critical patent/CN106088142A/en
Application granted granted Critical
Publication of CN106088142B publication Critical patent/CN106088142B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/46Foundations for supply conduits or other canals
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • E02D27/14Pile framings, i.e. piles assembled to form the substructure
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/24Prefabricated piles

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The present invention relates to a kind of prefabricated assembled pipeline foundation and its assembly methods, the prefabricated assembled pipeline foundation includes several spaced prefabricated piles and the cushion cap at the top of prefabricated pile, and the cushion cap includes the pile cover being connected with prefabricated pile and the support plate between adjacent studs crown portion;The pile cover is a cylinder, and the lower end of cylinder offers the blind hole for being arranged prefabricated pile, and pile cover top surface is equipped with fastening structure A;Support plate matches and snapping equipped with fastening structure B, fastening structure A and fastening structure B so that support plate is connected as one with pile cover, and prefabricated assembled piping infrastructure of the invention is simple, easy to assembly, cheap and have very big bearing capacity.

Description

A kind of prefabricated assembled pipeline foundation and its assembly method
Technical field
The present invention relates to a kind of prefabricated assembled pipeline foundation and its assembly methods.
Background technology
Pipeline foundation is essential component part in pipe-line system.In China drainpipe, blow-off pipe caliber be mostly 0.2-3 meters, material is mainly armored concrete and PVC.Pipeline, generally need to be in the pipe trench bottom for meeting design requirement before embedded It is laid with the C15 plain concrete cushion layers of 100mm thickness or the blotter of 200-300mm thickness.After bed course intensity reaches installation requirement, Assembling reinforcement, installation form and casting concrete basis, maintenance reach the removable removing template in requirement rear up to intensity on bed course, Last pipe laying.It is this that practical engineering demand can not be met using pipeline foundation made from Sand-gravel-cushion Technioue sometimes, such as: When pipeline is laid in the weak soil of certain deficient consolidations, due to the later stage consolidation of weak soil itself or the application of overcharge on ground, the soil body Larger settlement after construction often occurs;If pipeline foundation uses Sand-gravel-cushion Technioue, pipeline foundation easily collapses, so as to cause underground Pipeline breaking.In addition, the quality of traditional cast-in-place pipeline foundation is difficult to ensure that, and maintenance work cause Pipe installing before need Treat longer time, working efficiency is low.
Invention content
The purpose of the present invention is to provide a kind of prefabricated assembled pipeline bases simple in structure, easy to assembly, cheap Plinth and its assembly method.
The purpose of the present invention is achieved through the following technical solutions:A kind of prefabricated assembled pipeline foundation, it includes several Spaced prefabricated pile and the cushion cap at the top of prefabricated pile, the cushion cap include the pile cover being connected with prefabricated pile And the support plate between adjacent studs crown portion;
The pile cover is a cylinder, and the lower end of cylinder offers the blind hole for being arranged prefabricated pile, and pile cover top surface is equipped with Fastening structure A;
Support plate matches equipped with fastening structure B, fastening structure A and fastening structure B and snapping so that support plate and stake Cap is connected as one.
The assembly method of the prefabricated assembled pipeline foundation, it includes the following steps:
A. several prefabricated pile intervals are squeezed into soil;
B. connecting material is coated on the internal face of pile cover blind hole, then pile cover is sleeved on to the top surface of prefabricated pile from top to bottom On;
C. connecting material is coated on the top surface of pile cover, support plate is placed in from up to down on the top surface of adjacent pile cover, propped up The fastening structure B of fagging one end is placed on a pile cover top surface, and the fastening structure B of the support plate other end is placed in the top surface of adjacent pile cover On, and two fastening structure B are connect respectively with the mutual snappings of fastening structure A between two fastening structure B;
D. the seam crossing filling closing filler between adjacent shore plates is closed.
The connecting material is polymer mortar or sulphide mastic;The closing filler 4 is concrete.
For the prior art, the advantage of the invention is that:1. the prefabricated assembled piping infrastructure letter of the present invention It is single;2. the prefabricated assembling pipeline foundation of the present invention, each component will not be excessive, overweight, is readily transported and constructs, and is this Pipeline foundation does not need to cast in situs, eliminates curing time, can really play the speed advantage of prefabricated pile basement process, In addition it can reduce the rental expense of machinery;3. the prefabricated assembled pipeline foundation of the present invention has very big bearing capacity, this It is substantially better than pipeline foundation made from traditional mats method;4. the prefabricated assembled pipeline foundation of the present invention can be according to practical need The size of support plate and pile cover is selected, is allowed to meet different actual needs, without being re-molded so that product Cost controlled;5. the assembly method of the prefabricated assembled pipeline foundation of invention is simple, site operation speed is fast, without existing Field maintenance, is 1/the tens of the conventional cast-in-place foundation construction period;6. the prefabricated assembled pipeline foundation of invention is adapted to Practical engineering deviation.
Description of the drawings
Fig. 1 is the structure diagram of one prefabricated assembled pipeline foundation of the embodiment of the present invention.
Fig. 2 is A-A sectional views in Fig. 1.
Fig. 3 is the structure diagram of support plate in the embodiment of the present invention one.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is B-B sectional views in Fig. 3.
Fig. 6 is the structure diagram of pile cover in the embodiment of the present invention one.
Fig. 7 is the bottom view of Fig. 6.
Fig. 8 is C-C sectional views in Fig. 6.
Fig. 9 is the fiting relation figure of two support plate of the embodiment of the present invention and pile cover.
Figure 10 is the fiting relation figure of three support plate of the embodiment of the present invention and pile cover.
Label declaration:1 support plate, 1-1 limited blocks, 1-3 convex edges B, 1-4 convex edge C, 1-5 groove B, 2 pile covers, 2-1 convex edges A, 2-2 framework of steel reinforcement A, 2-3 groove A, 2-4 convex edge D, 3 prefabricated piles, 4 closing fillers, 5 hanging rings, 6 blind holes.
Specific embodiment
The content of present invention is described in detail with embodiment with reference to the accompanying drawings of the specification:
Embodiment one:
As shown in figures 1-8:A kind of prefabricated assembled pipeline foundation, it include several spaced prefabricated piles 3 and Cushion cap set on 3 top of prefabricated pile, the cushion cap include the pile cover 2 being connected with prefabricated pile 3 and set on adjacent pile covers 2 Support plate 1 between top;
Prefabricated pile is produced using building industrialization method, has production efficiency height, stable quality, relative inexpensiveness Etc. advantages.Prefabricated pile with assembling cushion cap is combined and prefabricated assembled pipeline foundation is made by the present invention, not only sends out well The speed advantage of prefabricated pile basement process is waved, and because cushion cap is split into pile cover 2 and support plate 1 so that each portion Part is all unlikely to too big or too heavy, is readily transported and constructs.The prefabricated pile of the present invention can be round stake or square pile;Both Can be hollow pile or solid pile.
The pile cover 2 is a cylinder, and the lower end of cylinder offers the blind hole 6 for being arranged prefabricated pile 3,2 top surface of pile cover Equipped with fastening structure A;6 aperture of blind hole is slightly larger than 3 contour dimension of prefabricated pile so that docking action is more readily accomplished in construction;
Support plate 1 matches and snapping equipped with fastening structure B, fastening structure A and fastening structure B so that support plate 1 with Pile cover 2 is connected as one.
The fastening structure A is the convex edge A2- extended along the longitudinal direction that 2 top surface arranged on left and right sides of pile cover is respectively equipped with 1, fastening structure B are the convex edge B1-3 extended along the longitudinal direction that 1 lower surface arranged on left and right sides of support plate is respectively equipped with.
The mutual snapping of the convex edge A2-1 and convex edge B1-3 can realize pile cover and the efficient combination of support plate.Convex edge The cross section of A2-1 is trapezoidal, and trapezoidal convex edge A still can effectively ensure to support in the case where pipeline foundation has head fall The correct connection of plate 1 and pile cover 2.Convex edge B1-3 can cause the width of support plate 1 to be more than the width of bolumn cap 2, realize more preferably Economy.On the other hand the width on same 2 top surface of pile cover between the A2-1 of convex edge can be very good for adjusting pile cover, branch The matching relationship of fagging, because during practical operation, prefabricated pile can all be deviated there are certain deviation such as prefabricated pile, and 2 The distance between a prefabricated pile will appear deviation, it is possible to when allowing to overlap between convex edge A2-1 and convex edge B1-3, convex edge A2- There are gap between 1 and convex edge B1-3, for adjusting deviation.
The bar shaped limited block 1-1 extended in left-right direction is respectively equipped on the forward and backward side of 1 upper surface of support plate. The setting of bar shaped limited block 1-1 so that the cross section of support plate 1 is " U "-shaped, convenient for the limiting to pipeline, prevents pipeline lateral Displacement.Bar shaped limited block 1-1 can improve the rigidity and bearing capacity of support plate simultaneously, realize more preferably economy.
The cushion cap further includes the closing filler 4 of the seam crossing between adjacent shore plates 1, closing filler here 4 be concrete.On the one hand the setting for closing filler 4 may be such that support plate, pile cover are combined into entirety, form cushion cap, improve Integral strength;The dimensional discrepancy generated in work progress can be adjusted simultaneously.
The upper surface of the support plate 1 and pile cover 2 is equipped with hanging ring 5.The setting plate easy to support of hanging ring and the fortune of pile cover Defeated, lifting and installation.
The pile cover 2 is made of armored concrete, framework of steel reinforcement A2-2 is equipped in pile cover 2, for improving the punching of pile cover 2 Bearing capacity.
The support plate 1 is made of armored concrete, and framework of steel reinforcement B is equipped in support plate 1.
Embodiment two:The structure of the embodiment of the present invention two is substantially similar to the structure of embodiment one, and the main distinction is The difference of fastening structure A, fastening structure B structure, as shown in Figure 9:The fastening structure A is pile cover 2 top surface arranged on left and right sides point The groove A2-3 extended along the longitudinal direction not opened up, fastening structure B are what 1 lower surface arranged on left and right sides of support plate was respectively equipped with The convex edge C1-5 to match with groove A2-3.
The width of groove A2-3 is more than the width of convex edge C1-5 so that convex edge C1-5 is empty there are one adjusting in groove A2-3 Between, similar with the relationship of convex edge B1-3 with one convex edge A2-1 of embodiment, such design can be very good for adjusting pile cover, branch The matching relationship of fagging.But adjusting spaces of the convex edge C1-5 in groove A2-3 be more for embodiment one for embodiment two Small, more limited, it is advantageous to fastening structure A, the fastening structure B shown in embodiment one.
Embodiment three:The structure of the embodiment of the present invention three is substantially similar to the structure of embodiment one, two, and the main distinction exists In the difference of fastening structure A, fastening structure B structure, as shown in Figure 10:The fastening structure A is 2 top surface of pile cover left and right two The convex edge D2-4 that side was respectively equipped with extend along the longitudinal direction, fastening structure B are set respectively for 1 lower surface arranged on left and right sides of support plate The groove B1-5 that some matches with convex edge D2-4.
Here groove B1-5 width can be more than convex edge D2-4 width so that convex edge D2-4 in groove B1-5 there are one Adjust space can to avoid prefabricated pile there are certain deviation in the case of, groove B1-5 can be embedded in the D2-4 of convex edge.But The adjusting space smallers of convex edge D2-4 in groove B1-5 for embodiment one of embodiment three, it is more limited, it is advantageous to Fastening structure A, fastening structure B shown in embodiment one.
Example IV:The assembly method of prefabricated assembled pipeline foundation of the present invention, it includes the following steps:
A. several intervals of prefabricated pile 3 are squeezed into soil;
B. connecting material is coated on the internal face of 2 blind hole of pile cover, pile cover 2 is then sleeved on prefabricated pile 3 from top to bottom On top surface;In the fitting interface applying joint material of blind hole 6 and prefabricated pile 3 prefabricated pile 3 is fitted closely with pile cover.It waits to connect After material hardening, you can completion pile cover 2 is reliably connected with prefabricated pile 3.
C. connecting material is coated on the top surface of pile cover 2, support plate 1 is placed in from up to down on the top surface of adjacent pile cover 2, The fastening structure B of 1 one end of support plate is placed on 2 top surface of a pile cover, and the fastening structure B of 1 other end of support plate is placed in adjacent pile cover 2 Top surface on, and two fastening structure B are connect respectively with the mutual snappings of fastening structure A between two fastening structure B;
D. the seam crossing filling closing filler 4 between adjacent shore plates 1 is closed.
Wherein, the connecting material is polymer mortar or sulphide mastic;The closing filler 4 is concrete.

Claims (8)

1. a kind of prefabricated assembled pipeline foundation, it is characterised in that:It includes several spaced prefabricated piles (3) and sets Cushion cap at the top of prefabricated pile (3), the cushion cap include the pile cover (2) being connected with prefabricated pile (3) and set on adjacent Support plate (1) between at the top of pile cover (2);
The pile cover (2) is a cylinder, and the lower end of cylinder offers the blind hole (6) for being arranged prefabricated pile (3), pile cover (2) Top surface is equipped with fastening structure A;
Support plate (1) matches and snapping equipped with fastening structure B, fastening structure A and fastening structure B so that support plate (1) with Pile cover (2) is connected as one.
2. prefabricated assembled pipeline foundation according to claim 1, it is characterised in that:The fastening structure A is pile cover (2) the convex edge A (2-1) that top surface arranged on left and right sides was respectively equipped with extend along the longitudinal direction, fastening structure B are support plate (1) following table The convex edge B (1-3) that face arranged on left and right sides was respectively equipped with extend along the longitudinal direction.
3. prefabricated assembled pipeline foundation according to claim 1, it is characterised in that:The fastening structure A is pile cover (2) the groove A (2-3) that top surface arranged on left and right sides opened up respectively extend along the longitudinal direction, fastening structure B are support plate (1) following table The convex edge C (1-4) to match with groove A (2-3) that face arranged on left and right sides is respectively equipped with.
4. prefabricated assembled pipeline foundation according to claim 1, it is characterised in that:The fastening structure A is pile cover (2) the convex edge D (2-4) that top surface arranged on left and right sides was respectively equipped with extend along the longitudinal direction, fastening structure B are support plate (1) following table The groove B (1-5) to match with convex edge D (2-4) that face arranged on left and right sides is respectively equipped with.
5. the prefabricated assembled pipeline foundation according to Claims 2 or 3 or 4, it is characterised in that:On the support plate (1) The bar shaped limited block (1-1) extended in left-right direction is respectively equipped on the forward and backward side on surface.
6. the prefabricated assembled pipeline foundation according to Claims 2 or 3 or 4, it is characterised in that:The cushion cap, which further includes, to be set The closing filler (4) of seam crossing between adjacent shore plates (1).
7. the assembly method of the prefabricated assembled pipeline foundation according to claim 1-6 any one, it is characterised in that:It Include the following steps:
A. several prefabricated pile (3) intervals are squeezed into soil;
B. connecting material is coated on the internal face of pile cover (2) blind hole, pile cover (2) is then sleeved on prefabricated pile (3) from top to bottom Top surface on;
C. connecting material is coated on the top surface of pile cover (2), support plate (1) is placed in the top surface of adjacent pile cover (2) from up to down On, the fastening structure B of support plate (1) one end is placed on a pile cover (2) top surface, and the fastening structure B of support plate (1) other end is placed in On the top surface of adjacent pile cover (2), and two fastening structure B respectively with the mutual snappings of fastening structure A between two fastening structure B Connection;
D. the seam crossing filling closing filler (4) between adjacent shore plates (1) is closed.
8. the assembly method of prefabricated assembled pipeline foundation according to claim 7, it is characterised in that:The connection material Expect for polymer mortar or sulphide mastic;The closing filler (4) is concrete.
CN201610580891.1A 2016-07-22 2016-07-22 A kind of prefabricated assembled pipeline foundation and its assembly method Active CN106088142B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610580891.1A CN106088142B (en) 2016-07-22 2016-07-22 A kind of prefabricated assembled pipeline foundation and its assembly method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610580891.1A CN106088142B (en) 2016-07-22 2016-07-22 A kind of prefabricated assembled pipeline foundation and its assembly method

Publications (2)

Publication Number Publication Date
CN106088142A CN106088142A (en) 2016-11-09
CN106088142B true CN106088142B (en) 2018-07-06

Family

ID=57449143

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610580891.1A Active CN106088142B (en) 2016-07-22 2016-07-22 A kind of prefabricated assembled pipeline foundation and its assembly method

Country Status (1)

Country Link
CN (1) CN106088142B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113502847B (en) * 2021-07-15 2023-05-23 天津城建大学 Assembled rigid support protection foundation structure for buried pipeline
CN113737836B (en) * 2021-10-09 2022-12-06 上海市城市建设设计研究总院(集团)有限公司 Pile-plate integrated connecting structure of assembled pile-plate structure roadbed

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1069092A (en) * 1992-02-19 1993-02-17 浙江海港养护大队 Casting pile for ancharing foundation rock with pipe column and manufacture method and application
JPH0875049A (en) * 1994-09-08 1996-03-19 Asahi Chem Ind Co Ltd Burying structure for underground buried pipe and foundation frame used in this structure
CN203373772U (en) * 2013-08-01 2014-01-01 上海市城市建设设计研究总院 Foundation structure of reinforced concrete drainage pipeline under condition of soft soil foundation
CN103711143A (en) * 2013-11-30 2014-04-09 浙江省电力设计院 Foundation reinforcing and connecting joint of floating-transport-type water diversion box culvert and construction method
CN203729322U (en) * 2014-01-28 2014-07-23 山东中宏路桥建设有限公司 Precast concrete pipeline foundation
WO2015147682A1 (en) * 2014-03-28 2015-10-01 Открытое акционерное общество "Акционерная компания по транспорту нефти "Транснефть" (ОАО "АК "Транснефть") Stationary pipeline support
CN205875199U (en) * 2016-07-22 2017-01-11 福建省建筑设计研究院 Prefabricated assembled pipeline basis

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1069092A (en) * 1992-02-19 1993-02-17 浙江海港养护大队 Casting pile for ancharing foundation rock with pipe column and manufacture method and application
JPH0875049A (en) * 1994-09-08 1996-03-19 Asahi Chem Ind Co Ltd Burying structure for underground buried pipe and foundation frame used in this structure
CN203373772U (en) * 2013-08-01 2014-01-01 上海市城市建设设计研究总院 Foundation structure of reinforced concrete drainage pipeline under condition of soft soil foundation
CN103711143A (en) * 2013-11-30 2014-04-09 浙江省电力设计院 Foundation reinforcing and connecting joint of floating-transport-type water diversion box culvert and construction method
CN203729322U (en) * 2014-01-28 2014-07-23 山东中宏路桥建设有限公司 Precast concrete pipeline foundation
WO2015147682A1 (en) * 2014-03-28 2015-10-01 Открытое акционерное общество "Акционерная компания по транспорту нефти "Транснефть" (ОАО "АК "Транснефть") Stationary pipeline support
CN205875199U (en) * 2016-07-22 2017-01-11 福建省建筑设计研究院 Prefabricated assembled pipeline basis

Also Published As

Publication number Publication date
CN106088142A (en) 2016-11-09

Similar Documents

Publication Publication Date Title
CN101787710B (en) Integrally-assembled buttressed retaining wall and construction method thereof
CN104018518B (en) The method of prefabricated diaphragm wall and construction outer wall of basement and floor
CN108104825B (en) A kind of shield tunnel tunnel bottom backfills assembly construction method
CN110043264B (en) Construction method for jacking prefabricated rectangular vertical shaft structural type
CN101205717A (en) Ultra-deep underground continuous wall connector
CN102434717A (en) Construction method of joist steel pipe-jacking work pit
CN102650127A (en) Precast U-shaped plate pile with mixed structure of steel and concrete
CN104674863A (en) Method for reinforcing existing municipal pipe gallery within deep foundation pit excavation range
JP2013028898A (en) Construction method of invert, invert and precast member
CN205875199U (en) Prefabricated assembled pipeline basis
CN107806101A (en) Construction method of the bar shaped foundation ditch cast-in-place concrete to the prefabricated linking beam of support
CN106088142B (en) A kind of prefabricated assembled pipeline foundation and its assembly method
CN109972627A (en) A kind of fashioned iron assembled foundation pit enclosure structure and its construction method
CN104195913A (en) Movable temporary road structure
CN204356768U (en) A kind of special-shaped precast concrete pile
CN202139545U (en) Steel-structure culvert opening
CN103437779A (en) Construction method for renovating tunnel lining water seeping damage
CN104929149A (en) Stiffened embedded type column foot for reducing steel column embedment depth and construction technology thereof
CN105113513B (en) Anti-seepage foundation pit supporting structure and construction method
KR101544985B1 (en) Socket type precast concrete panel and paving method using the same
CN203559419U (en) Prestressed concrete precast pile
KR101072286B1 (en) Prefabricated retaining wall
CN108642992A (en) A kind of cement pavement structure and construction method
CN210440048U (en) Die carrier suitable for curved well wall construction of multiple arch tunnel is used
CN208668430U (en) A kind of pile for prestressed pipe and steel-pipe pile built pile supporting construction

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 350025 Tonghu Road, Drum Tower District, Fuzhou, Fujian Province, No. 188

Applicant after: Fujian Architectural Design Research Institute Co., Ltd.

Address before: 350000 Fuzhou, Gulou District, Fujian Lake Road, No. 188

Applicant before: Architectural Design Institute, Fukien Prov.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant