CN108978449B - Socket type structure prefabricated assembly pier with joint adopting grouting sleeve - Google Patents
Socket type structure prefabricated assembly pier with joint adopting grouting sleeve Download PDFInfo
- Publication number
- CN108978449B CN108978449B CN201810933991.7A CN201810933991A CN108978449B CN 108978449 B CN108978449 B CN 108978449B CN 201810933991 A CN201810933991 A CN 201810933991A CN 108978449 B CN108978449 B CN 108978449B
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- prefabricated
- pier
- bearing platform
- grouting sleeve
- sleeve
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- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 37
- 238000010276 construction Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 51
- 239000010959 steel Substances 0.000 claims description 51
- 239000004570 mortar (masonry) Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 239000011440 grout Substances 0.000 abstract 1
- 238000010008 shearing Methods 0.000 description 9
- 239000011374 ultra-high-performance concrete Substances 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge construction, in particular to a socket structure prefabricated spliced pier with a joint adopting a grouting sleeve, which comprises a prefabricated bearing platform and prefabricated piers, wherein the prefabricated piers are arranged on the prefabricated bearing platform, and a plurality of the prefabricated piers are arranged in a stacked manner; the top surface of the prefabricated bearing platform and the top surface of the prefabricated pier are provided with mortises, and the bottom of the prefabricated pier is provided with tenons; still include pier grout sleeve, pier reinforcing bar and cushion cap reinforcing bar. The invention has the beneficial effects that: through the design of tenons and mortises, dangerous accidents such as overturning and the like are prevented when the prefabricated bearing platform and the prefabricated pier are spliced, and the stability of the structure in the construction process is improved; the arrangement of the pier grouting sleeve, the pier reinforcing steel bars and the bearing platform reinforcing steel bars ensures the stability of the whole structure after grouting is finished, and the horizontal shear resistance of the prefabricated spliced pier of the joint adopting the socket structure of the grouting sleeve is improved.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a socket structure prefabricated assembly pier with a joint adopting a grouting sleeve.
Background
When the bridge structure encounters an earthquake, the bridge pier is a vulnerable part. At present, the spliced piers connected by high-strength mortar or structural adhesive are connected, the joints are mostly in a plane joint form, shearing dislocation possibly occurring between sections is difficult to eliminate, and the integrity and the earthquake resistance are inferior to those of the whole cast-in-situ piers, and the spliced piers are generally used in areas with lower earthquake risks. On the other hand, the construction precision requirement of the plane joint on the splicing surface is very high, the material mechanical property difference between the high-strength mortar or structural adhesive and the precast concrete is large, and the durability problem of the joint is more remarkable. Moreover, the site splicing operation of the prefabricated spliced pier is more dangerous to install than that of the poured pier.
Disclosure of Invention
In order to overcome the defects in the prior art, the technical problems to be solved by the invention are as follows: the prefabricated spliced pier is convenient for site construction and improves site construction safety.
In order to solve the technical problems, the invention adopts the following technical scheme:
the spliced pier comprises a prefabricated bearing platform and prefabricated piers, wherein the prefabricated piers are arranged on the prefabricated bearing platform, and a plurality of the prefabricated piers are arranged in a stacked manner; the top surface of the prefabricated bearing platform and the top surface of the prefabricated pier are provided with mortises, the bottom of the prefabricated pier is provided with tenons, and the sizes of the tenons are matched with the mortises;
the bottom surface of the prefabricated pier is provided with a pier grouting sleeve with a downward opening; pier steel bars are embedded in the prefabricated pier, one end of each pier steel bar extends into the pier grouting sleeve on the bottom surface of the prefabricated pier, and the other end extends out of the top surface of the prefabricated pier and into the pier grouting sleeve of the adjacent prefabricated pier above;
bearing platform reinforcing steel bars are pre-buried in the prefabricated bearing platform, extend out of the top surface of the prefabricated bearing platform and extend into pier grouting sleeves of the prefabricated pier above the prefabricated bearing platform;
the steel pipe is embedded in the tenon groove, the tenon size is matched with the steel pipe, and the tenon is embedded in the steel pipe.
Further, a steel sleeve is sleeved on the tenons, and the outer diameter of the steel sleeve is matched with the steel pipe.
Further, a material injection hole and a discharge hole are formed in the hole wall of the pier grouting sleeve.
Further, mortar is filled in the steel pipe and the pier grouting sleeve.
Further, the mortar is ultra-high performance mortar.
Further, the top surface of prefabricated cushion cap is provided with the bellying, be provided with on the bellying the tongue-and-groove.
Further, the bridge pier fixing device further comprises fixing plates, wherein the fixing plates are respectively arranged on the outer walls of the connection parts of the protruding parts and the prefabricated bridge piers and the outer walls of the connection parts of the two prefabricated bridge piers.
Further, the side walls of the protruding portion and the side walls of the upper end and the lower end of the prefabricated pier are respectively provided with a fixing through hole, the axes of the fixing through holes are parallel to each other, fixing reinforcing steel bars are arranged in the fixing through holes, and two ends of each fixing reinforcing steel bar extend out of the fixing through holes and penetrate through the fixing plate.
Further, the anchor is arranged at the end part of the fixed steel bar.
The invention has the beneficial effects that: through the design of tenons and mortises, dangerous accidents such as overturning and the like are prevented when the prefabricated bearing platform and the prefabricated pier are spliced, and the stability of the structure in the construction process is improved; the arrangement of the pier grouting sleeve, the pier reinforcing steel bars and the bearing platform reinforcing steel bars can ensure the stability of the whole structure after grouting is finished, and the horizontal shearing resistance of the prefabricated assembly pier of the joint adopting the socket structure of the grouting sleeve is improved; the arrangement of the steel pipes 31 further increases the horizontal shearing resistance of the prefabricated spliced pier of the joint adopting the socket structure of the grouting sleeve, and increases the safety.
Drawings
FIG. 1 is a front cross-sectional view of a prefabricated assembled pier of a socket structure with a grouting sleeve for a joint in accordance with an embodiment of the present invention;
FIG. 2 is a top view of a prefabricated deck of a prefabricated spliced pier of a socket structure with a grouting sleeve for a joint according to an embodiment of the present invention;
description of the reference numerals:
1. prefabricating a bearing platform; 11. bearing platform reinforcing steel bars;
2. prefabricating bridge piers; 21. grouting sleeve of bridge pier; 22. bridge pier reinforcing steel bars; 23. a material injection hole; 24. a discharge hole;
3. a tongue and groove; 31. a steel pipe;
4. a tenon;
5. a fixing plate;
6. fixing the reinforcing steel bars; 61. an anchor;
7. and (5) mortar.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: through the design of tenon and tongue-and-groove, when concatenation prefabricating pile cap and prefabricating the pier, prevent dangerous accidents such as toppling appear, increased the stability of structure in the work progress.
Referring to fig. 1 and 2, a prefabricated spliced pier of a socket structure with a grouting sleeve is adopted as a joint, and the prefabricated spliced pier comprises a prefabricated bearing platform 1 and prefabricated piers 2, wherein the prefabricated piers 2 are arranged on the prefabricated bearing platform 1, and a plurality of the prefabricated piers 2 are arranged in a stacked manner; the top surface of the prefabricated pile cap 1 and the top surface of the prefabricated pier 2 are provided with mortises 3, the bottom of the prefabricated pier 2 is provided with tenons 4, and the sizes of the tenons 4 are matched with the mortises 3;
the bottom surface of the prefabricated pier 2 is provided with a pier grouting sleeve 21 with a downward opening; pier steel bars 22 are embedded in the prefabricated pier 2, one end of each pier steel bar 22 extends into a pier grouting sleeve 21 on the bottom surface of the prefabricated pier 2, and the other end extends out of the top surface of the prefabricated pier 2 and into the pier grouting sleeve 21 of the adjacent prefabricated pier 2 above;
a bearing platform reinforcing steel bar 11 is pre-embedded in the prefabricated bearing platform 1, and the bearing platform reinforcing steel bar 11 extends out of the top surface of the prefabricated bearing platform 1 and extends into a pier grouting sleeve 21 of the prefabricated pier 2 above the prefabricated bearing platform;
the steel pipe 31 is embedded in the mortise 3, the size of the tenons 4 is matched with that of the steel pipe 31, and the tenons 4 are embedded in the steel pipe 31.
As can be seen from the above description, the above-mentioned adaptor adopts the socket structure of the grouting sleeve to prefabricate and assemble the pier, and has the following beneficial effects: through the design of the tenons 4 and the mortises 3, dangerous accidents such as overturning and the like are prevented when the prefabricated bearing platform 1 and the prefabricated bridge pier 2 are spliced, and the stability of the structure in the construction process is improved; the arrangement of the pier grouting sleeve 21, the pier reinforcing steel bars 22 and the bearing platform reinforcing steel bars 11 can ensure the stability of the whole structure after grouting is finished, and the horizontal shear resistance of the prefabricated spliced pier of the joint adopting the socket structure of the grouting sleeve is improved; the arrangement of the steel pipes 31 further increases the horizontal shearing resistance of the prefabricated spliced pier of the joint adopting the socket structure of the grouting sleeve, and increases the safety.
Further, a steel sleeve is sleeved on the tenon 4, and the outer diameter of the steel sleeve is matched with the steel pipe 31.
From the above description, the tenon 4 is sleeved with a steel sleeve, so that the horizontal shearing resistance of the prefabricated spliced pier of the joint adopting the socket structure of the grouting sleeve is further improved, and the safety is improved.
Further, a material injection hole 23 and a material discharge hole 24 are formed in the hole wall of the pier grouting sleeve 21.
From the above description, the arrangement of the injecting hole 23 and the discharging hole 24 can facilitate injecting the fixing material, facilitate construction operation and increase construction efficiency.
Further, mortar 7 is filled in the pipe of the steel pipe 31 and in the pier grouting sleeve 21.
From the above description, it is known that the mortar 7 can connect the tenons 4 disposed in the pipes of the steel pipes 31, the cap reinforcements 11 extending out of the top surface of the prefabricated cap 1, and the pier reinforcements 22 in the pier grouting sleeve 21 into a whole, thereby ensuring the stability of the whole structure and increasing the shear resistance of the horizontal plane of the joint.
Further, the mortar 7 is ultra-high performance mortar.
From the above description, it is known that ultra-high performance concrete (UHPC for short) is a novel cement-based composite material, which has high strength, good toughness, good corrosion resistance, wear resistance and impermeability, and tensile strength is generally not lower than 5MPa. The UHPC character of removing the coarse aggregate can be regarded as a mortar, namely the ultra-high performance mortar (UHPM for short).
Further, a protruding portion is arranged on the top face of the prefabricated bearing platform 1, and the mortise 3 is formed in the protruding portion.
Further, the bridge pier comprises a fixing plate 5, wherein the fixing plate 5 is respectively arranged on the outer wall of the joint of the protruding part and the prefabricated bridge pier 2 and the outer walls of the joints of the two prefabricated bridge piers 2.
Further, the side walls of the protruding portion and the side walls of the upper end and the lower end of the prefabricated pier 2 are respectively provided with a fixing through hole, the axes of the fixing through holes are parallel to each other, fixing reinforcing steel bars 6 are arranged in the fixing through holes, and two ends of each fixing reinforcing steel bar 6 extend out of the fixing through holes and penetrate through the fixing plate 5.
Further, an anchor 61 is further included, and the anchor 61 is disposed at an end of the fixing bar 6.
As can be seen from the above description, by the arrangement of the protruding portion, the fixing plate 5 and the fixing reinforcing steel bar 6 can be additionally arranged by the protruding portion, so that the prefabricated pier 2 is primarily fixed by the protruding rod and the fixing reinforcing steel bar 6 when grouting is not performed, and the construction safety is increased; the fixed steel bars 6 bolt the tenons and the mortises 3, and further the stability of the structure is improved.
Example 1
Referring to fig. 1 and 2, a prefabricated spliced pier of a socket structure with a grouting sleeve is adopted as a joint, and the prefabricated spliced pier comprises a prefabricated bearing platform 1 and prefabricated piers 2, wherein the prefabricated piers 2 are arranged on the prefabricated bearing platform 1, and a plurality of the prefabricated piers 2 are arranged in a stacked manner; the middle part of the top surface of the prefabricated bearing platform 1 is provided with a protruding part, the protruding part and the middle part of the top surface of the prefabricated pier 2 are provided with a tenon groove 3, the bottom of the prefabricated pier 2 is provided with a tenon 4, a steel pipe 31 is embedded in the tenon groove 3, the tenon 4 is matched with the steel pipe 31 in size, and the tenon 4 is embedded in the steel pipe 31; a steel sleeve is sleeved on the tenon 4, and the outer diameter of the steel sleeve is matched with the steel pipe 31; the bottom surface of the prefabricated pier 2 is provided with a pier grouting sleeve 21 with a downward opening; pier steel bars 22 are embedded in the prefabricated pier 2, one end of each pier steel bar 22 extends into a pier grouting sleeve 21 on the bottom surface of the prefabricated pier 2, and the other end extends out of the top surface of the prefabricated pier 2 and into the pier grouting sleeve 21 of the adjacent prefabricated pier 2 above; a bearing platform reinforcing steel bar 11 is pre-embedded in the prefabricated bearing platform 1, and the bearing platform reinforcing steel bar 11 extends out of the top surface of the prefabricated bearing platform 1 and extends into a pier grouting sleeve 21 of the prefabricated pier 2 above the prefabricated bearing platform; a material injection hole 23 and a discharge hole 24 are formed in the hole wall of the pier grouting sleeve 21; ultra-high performance mortar is filled in the pipeline of the steel pipe 31 and the pier grouting sleeve 21; the fixing plate 5 is respectively arranged on the outer wall of the joint of the protruding part and the prefabricated pier 2 and the outer walls of the joints of the two prefabricated piers 2; the side walls of the protruding parts and the side walls of the upper end and the lower end of the prefabricated pier 2 are respectively provided with a fixed through hole, the axes of a plurality of the fixed through holes are parallel to each other, fixed steel bars 6 are arranged in the fixed through holes, and two ends of each fixed steel bar 6 extend out of the fixed through holes and penetrate through the fixed plate 5; and further comprises an anchor 61, wherein the anchor 61 is arranged at the end part of the fixed steel bar 6.
The construction process of the spliced pier prefabricated by the socket type structure of the grouting sleeve is as follows:
step 1: coating ultra-high performance mortar on the upper surfaces of the prefabricated bearing platform 1 and the protruding part;
step 2: embedding tenons 4 of the prefabricated piers 2 into mortises 3 of steel pipes 31 mounted on the prefabricated bearing platforms 1, and extending bearing platform reinforcing steel bars 11 on the prefabricated bearing platforms 1 into pier grouting sleeves 21 of the prefabricated piers 2;
step 3: the fixing plates 5 are arranged on the side walls of the two opposite sides of the joint, the fixing reinforcing steel bars 6 are inserted into the fixing through holes through the fixing plates 5 on one side and penetrate out from the other side of the through holes, the fixing reinforcing steel bars 6 penetrate through the fixing plates 5 on the other side, and then the two ends of the fixing reinforcing steel bars 6 are locked through the anchors 61;
step 4: injecting the ultra-high performance mortar into the material injection hole 23 until the ultra-high performance mortar overflows and flows out of the discharge hole 24;
step 5: coating ultra-high performance mortar on the top surface of the lower segment precast pier 2, embedding tenons 4 of the upper segment precast pier 2 into mortises 3 of steel pipes 31 arranged on the top surface of the lower segment precast pier 2, and extending pier steel bars 22 above the lower segment precast pier 2 into pier grouting sleeves 21 of the upper segment precast pier 2; the fixing plates 5 are arranged on the side walls of the two opposite sides of the joint, the fixing reinforcing steel bars 6 are inserted into the fixing through holes through the fixing plates 5 on one side and penetrate out from the other side of the through holes, the fixing reinforcing steel bars 6 penetrate through the fixing plates 5 on the other side, and then the two ends of the fixing reinforcing steel bars 6 are locked through the anchors 61; injecting the ultra-high performance mortar into the material injection hole 23 until the ultra-high performance mortar overflows and flows out of the discharge hole 24;
step 6: and 5, repeating the step until the joint adopts a socket structure of the grouting sleeve to prefabricate and assemble the pier to reach the elevation.
In summary, the joint provided by the invention adopts the socket structure of the grouting sleeve to prefabricate and assemble the pier, and through the design of the tenons and the mortises, dangerous accidents such as overturning and the like are prevented when the prefabricated bearing platform and the prefabricated pier are spliced, so that the stability of the structure in the construction process is improved; the arrangement of the pier grouting sleeve, the pier reinforcing steel bars and the bearing platform reinforcing steel bars can ensure the stability of the whole structure after grouting is finished, and the horizontal shearing resistance of the prefabricated assembly pier of the joint adopting the socket structure of the grouting sleeve is improved; through the arrangement of the protruding part, the fixing plate and the fixing reinforcing steel bars can be additionally arranged by the protruding part, so that the prefabricated bridge pier is preliminarily fixed by the protruding rod and the fixing reinforcing steel bars when grouting is not performed, and the construction safety is improved; the tenon and the mortise are bolted by the fixed steel bars, so that the arrangement of the structural stability steel tube is further increased, the horizontal shearing resistance of the prefabricated spliced pier of the joint adopting the socket structure of the grouting sleeve is further increased, and the safety is improved; the tenon 4 is sleeved with a steel sleeve, so that the horizontal shearing resistance of the joint adopting the socket type structure prefabricated assembly pier of the grouting sleeve is further improved, and the safety is improved; the arrangement of the material injection holes and the material discharge holes can facilitate the injection of the fixed materials, facilitate the construction operation and increase the construction efficiency; the discharging hole and the material injection hole are arranged on the same horizontal plane, and the material injection hole and the pier grouting sleeve are arranged on the same horizontal plane, so that the injected fixing material can fully fill all gaps at the joint, and the stability of the whole structure is ensured; the mortar can connect tenons arranged in the steel pipe, bearing platform reinforcing steel bars extending out of the top surface of the prefabricated bearing platform and pier reinforcing steel bars in the pier grouting sleeve into a whole, so that the stability of the whole structure is ensured, and the shearing resistance of the horizontal plane of the joint is increased; the ultra-high performance mortar has the characteristics of high strength, corrosion resistance and good impermeability, and the whole structure can have stronger tensile capacity and reliability and the durability is improved through the ultra-high performance mortar; the prefabricated spliced pier combining the socket structure and the cast-in-situ UHPC is adopted, the central position of the spliced pier adopts the socket structure, the supporting effect on the upper-section prefabricated pier can be achieved during construction, UHPM is adopted for bonding between tenons and mortises, the bonding area is large, the bonding effect is better than that of the traditional high-strength mortar plane joint or structural adhesive dry joint, and the shear strength of the spliced part can be improved; the UHPC with high strength, corrosion resistance, wear resistance and good impermeability is used as the cast-in-situ material, so that the integrity and the earthquake resistance of the cast-in-situ UHPC material socket structure prefabricated assembly pier of the connector can be improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (3)
1. The spliced pier is prefabricated by adopting a socket structure of a grouting sleeve, and is characterized by comprising a prefabricated bearing platform and prefabricated piers, wherein the prefabricated piers are arranged on the prefabricated bearing platform, and a plurality of prefabricated piers are arranged in a stacked manner; the top surface of the prefabricated bearing platform and the top surface of the prefabricated pier are provided with mortises, the bottom of the prefabricated pier is provided with tenons, and the sizes of the tenons are matched with the mortises;
the bottom surface of the prefabricated pier is provided with a pier grouting sleeve with a downward opening; pier steel bars are embedded in the prefabricated pier, one end of each pier steel bar extends into the pier grouting sleeve on the bottom surface of the prefabricated pier, and the other end extends out of the top surface of the prefabricated pier and into the pier grouting sleeve of the adjacent prefabricated pier above;
bearing platform reinforcing steel bars are pre-buried in the prefabricated bearing platform, extend out of the top surface of the prefabricated bearing platform and extend into pier grouting sleeves of the prefabricated pier above the prefabricated bearing platform;
the steel pipe is embedded in the tenon groove, a steel sleeve is sleeved on the tenon, and the outer diameter of the steel sleeve is matched with the steel pipe;
the wall of the pier grouting sleeve is provided with a material injection hole and a discharge hole, and mortar is filled in the steel pipe and the pier grouting sleeve;
the top surface of the prefabricated bearing platform is provided with a protruding part, and the protruding part is provided with the mortise;
the fixing plate is respectively arranged on the outer wall of the joint of the protruding part and the prefabricated pier and the outer walls of the joints of the two prefabricated piers;
the side wall of the protruding portion and the side walls of the upper end and the lower end of the prefabricated pier are respectively provided with a fixed through hole, the axes of the fixed through holes are mutually parallel, fixed reinforcing steel bars are arranged in the fixed through holes, two ends of each fixed reinforcing steel bar extend out of the fixed through holes and penetrate through the fixed plates, and each fixed reinforcing steel bar penetrates through the tenons.
2. The prefabricated spliced pier of the socket-and-spigot construction using the grouting sleeve for the joint according to claim 1, wherein the mortar is ultra-high performance mortar.
3. The prefabricated spliced pier of the socket-and-spigot construction using the grouting sleeve according to claim 1, further comprising an anchor, wherein the anchor is arranged at the end of the fixed reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810933991.7A CN108978449B (en) | 2018-08-16 | 2018-08-16 | Socket type structure prefabricated assembly pier with joint adopting grouting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810933991.7A CN108978449B (en) | 2018-08-16 | 2018-08-16 | Socket type structure prefabricated assembly pier with joint adopting grouting sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108978449A CN108978449A (en) | 2018-12-11 |
| CN108978449B true CN108978449B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810933991.7A Active CN108978449B (en) | 2018-08-16 | 2018-08-16 | Socket type structure prefabricated assembly pier with joint adopting grouting sleeve |
Country Status (1)
| Country | Link |
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| CN (1) | CN108978449B (en) |
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| CN112942078A (en) * | 2021-02-03 | 2021-06-11 | 中国地震局工程力学研究所 | L-shaped joint assembly type splicing pier |
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| CN113373800B (en) * | 2021-06-24 | 2023-03-24 | 上海应用技术大学 | Hollow prefabricated assembled pier adopting grouting sleeve and connecting method thereof |
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| CN108396640A (en) * | 2018-04-23 | 2018-08-14 | 南昌大学 | A kind of assembly concrete pier column structure |
| CN208965396U (en) * | 2018-08-16 | 2019-06-11 | 福建工程学院 | A kind of connector uses the spigot-and-socket construction precast assembly bridge pier of grout sleeve |
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| JP2003193486A (en) * | 2001-10-19 | 2003-07-09 | Mitsubishi Heavy Ind Ltd | Method for connecting jacket structure and pile together, joint structure of the same, and automatic device for mounting joint plug |
| CN105019606A (en) * | 2015-08-02 | 2015-11-04 | 长安大学 | Precast concrete unit steel bar grouting connecting piece and connecting method |
| CN106368117A (en) * | 2016-09-29 | 2017-02-01 | 上海市政工程设计研究总院（集团）有限公司 | Assembling method for bridge stand column and bearing platform |
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| CN108049305A (en) * | 2018-01-31 | 2018-05-18 | 福建工程学院 | The splicing construction and joining method of a kind of precast pier and prefabricated cushion cap |
| CN108396640A (en) * | 2018-04-23 | 2018-08-14 | 南昌大学 | A kind of assembly concrete pier column structure |
| CN208965396U (en) * | 2018-08-16 | 2019-06-11 | 福建工程学院 | A kind of connector uses the spigot-and-socket construction precast assembly bridge pier of grout sleeve |
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| CN108978449A (en) | 2018-12-11 |
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