CN106760226A - Attachment structure and the connection method of paddle grout sleeve, pier shaft and cushion cap can be mended - Google Patents
Attachment structure and the connection method of paddle grout sleeve, pier shaft and cushion cap can be mended Download PDFInfo
- Publication number
- CN106760226A CN106760226A CN201611180766.8A CN201611180766A CN106760226A CN 106760226 A CN106760226 A CN 106760226A CN 201611180766 A CN201611180766 A CN 201611180766A CN 106760226 A CN106760226 A CN 106760226A
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- Prior art keywords
- paddle
- grout sleeve
- hole
- grout
- mend
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
Abstract
The present invention provides a kind of attachment structure for mending paddle grout sleeve, pier shaft and cushion cap and connection method.The attachment structure includes pier shaft and cushion cap, it is some to mend the peripheral edge edge that paddle grout sleeve is embedded in pier shaft in advance, pre-buried some first steel bar stresses of pier shaft, pre-buried some second steel bar stresses of cushion cap, wherein each bottom that can mend paddle grout sleeve is provided with grout hole, the top that paddle grout sleeve can be mended is provided with and mends slurry hole and plasma discharge hole and plasma discharge hole position in the top for mending slurry hole, grout hole, mend slurry hole and plasma discharge hole connects with the exterior space of pier shaft, each second steel bar stress and each first steel bar stress for stretching out cushion cap butt up against each by grouting material can be mended in paddle grout sleeve.The mended paddle grout sleeve that the present invention is provided substantially increases the reliability and security of component connection, and hair for promoting assembly concrete construction technology is turned for this and the propulsion of green construction has great importance.
Description
Technical field
The present invention relates to building field, more particularly to a kind of attachment structure for mending paddle grout sleeve, pier shaft and cushion cap
And connection method.
Background technology
At present, the building trade of China, more using cast-type form of construction work.Because the form of construction work speed of application is slow, wave
Take and seriously polluted.Plus the reconstruction of the old city town expansion and the passage of time in city in recent years, a large amount of houses and bridge are aging, face
Reconstruction is rebuild, and is badly in need of a kind of short construction period, the construction technology of environmental protection.So with the renewal of construction technology, prefabricated spelling
Dress construction technology is developed rapidly in China.
Cast-in-place concrete reinforcing bar is connected with overlap joint, welding, mechanical connection etc., but may not apply to precast assembly work
Cheng Zhong.The connecting portion of prefabricated components is the weak link of prefabricated concrete structure, and the connection of reinforcing bar is prefabricated components
The core of connection.
The appearance of paddle grout sleeve can be mended, this problem of bar connecting during precast assembly is constructed is solved well.Mesh
Before, it is a kind of a kind of engineer applied bar connecting mode widest in area that can mend paddle grout sleeve, is widely used in post, shearing
The key force transferring part such as wall, bridge plate.From design angle, the mortar that all assuming that can mend in paddle grout sleeve be fill completely and
It is closely knit, can so mend paddle grout sleeve connection fully meet steel bar force transfer the need for.
Also expectation, by well-organized design, reaches design requirement in itself for unit in charge of construction.But paddle grout sleeve can be mended
Some problems are there is also in construction, such as due to workmen's lack of skill, spillage, running pulp phenomenon happen occasionally.This
The appearance for planting phenomenon has had a strong impact on grouting quality, the situation for " filling discontented " occur.For being in the milk leakiness unavoidably and being
Fatal constructional deficiency, the safety for being related to total very likely turns into the time bomb for hindering building industrialization process.
Whole engineering circles expect a kind of bar connecting mode for checking and can mending slurry.
The content of the invention
For the existing disadvantages mentioned above for mending the presence of paddle grout sleeve, the present invention provides one kind and can mend paddle grouting set
Attachment structure and the connection method of cylinder, pier shaft and cushion cap.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
The attachment structure of a kind of pier shaft and cushion cap, including pier shaft and cushion cap, some paddle grout sleeves of mending are embedded in institute in advance
State the peripheral edge edge of pier shaft, pre-buried some first steel bar stresses of pier shaft, pre-buried some second steel bar stresses of cushion cap, its
In the bottom of paddle grout sleeve can be mended described in each be provided with grout hole, the top for mending paddle grout sleeve is provided with benefit slurry
Hole and plasma discharge hole and the plasma discharge hole position in the top for mending slurry hole, the grout hole, mend slurry hole and plasma discharge hole with it is described
The exterior space connection of pier shaft, each described second steel bar stress and each described first steel bar stress for stretching out the cushion cap leads to
Crossing grouting material and butt up against can mend in paddle grout sleeve described in each.
Preferably, first steel bar stress and the second steel bar stress use IV grades of high-strength screw-thread steel muscle.
Preferably, the middle part for mending paddle grout sleeve locally thickeies.
Preferably, the slurry hole of mending is concordant with the stack shell for mending paddle grout sleeve, and the slurry hole of mending is by rubber
Leather plug is stoppered, and is used to hide the benefit slurry hole.
The connection method of a kind of pier shaft and cushion cap, implements above-mentioned attachment structure, and its step is：
1) preparation of paddle grout sleeve, cushion cap and pier shaft can be mended, some paddle grout sleeves of mending are embedded in pier shaft in advance
Peripheral edge edge, pre-buried some first steel bar stresses of pier shaft, pre-buried some second steel bar stresses of cushion cap；
2) positioning can mend paddle grout sleeve and the second steel bar stress, and each the second steel bar stress insertion for stretching out cushion cap is every
It is individual to mend paddle grout sleeve, then it is in the milk in paddle grout sleeve to can mend, make the second steel bar stress and the first stress
Steel reinforcement abutting joints in can mend in paddle grout sleeve, when being in the milk：
When grouting face is under grout hole, then according to the conventional work progress that can mend the grouting of paddle grout sleeve, will mend
Slurry hole is stifled tight, from grout hole mud jacking, plasma discharge hole pulp；
When grouting face is on grout hole, mend under slurry hole, then grout hole is blocked needs and carries out benefit slurry, mends slurry
When from mend slurry pore pressure slurry, plasma discharge hole pulp；
Slurry hole is mended when grouting face exceedes, but under slurry outlet, needle tubing is at this moment taken to injecting grouting material in plasma discharge hole
Until filling up, paddle grout sleeve can be mended.
One kind can mend paddle grout sleeve, and its underpart opens up grout hole, and top opens up benefit slurry hole and plasma discharge hole and the row
Slurry hole position needs the steel bar stress of connection from the two ends insertion for mending paddle grout sleeve in the top for mending slurry hole,
And grouting material is poured into the cavity for mending paddle grout sleeve formed with the middle part for mending paddle grout sleeve
Reinforcing bar slurry anchor connection joint, and the middle part for mending paddle grout sleeve locally thickening.
Further, the paddle grout sleeve of mending uses stainless steel material.
The Advantageous Effects brought using above-mentioned technical proposal are：
Because the first steel bar stress insertion depth stretches into distance more than regulation, with reference to the filling of grouting material, greatly limit
The extraction of reinforcing bar is made；
The packing that can mend grouting material in paddle grout sleeve can be checked by mending slurry hole, if grouting material leakiness is less than
Mend at slurry hole, carry out second pulp feeding at slurry hole that can mend；
First steel bar stress and the second steel bar stress joint are the weak part that can mend paddle grout sleeve, can by pair
Local thickening is carried out in the middle part of benefit paddle grout sleeve can effectively prevent that the fracture of paddle grout sleeve can be mended, and can mend paddle grouting
The structure of sleeve is optimized；
The present invention mends the connection that paddle grout sleeve realizes reinforcing bar by follow-on, substantially increases precast assembly and applies
Work speed, enhances anti-seismic performance, therefore assembly of the present invention to prefabricated components more can guarantee that the quality and security of connection.
Brief description of the drawings
Fig. 1 is the plan of the attachment structure of the pier shaft and cushion cap of one embodiment of the invention；
Fig. 2 is the pier shaft of one embodiment of the invention and the assembled detail drawing of cushion cap, wherein (a) figure is the structural representation before assembly
Figure, (b) figure is the structural representation after assembly；
Fig. 3 be one embodiment of the invention pier shaft in can mend the floor plan of paddle grout sleeve；
Fig. 4 is the detail of construction of the mended paddle grout sleeve of one embodiment of the invention；
Fig. 5 is the mended paddle grout sleeve construction process figure of one embodiment of the invention, wherein (a) figure is the second stress steel
Muscle positions schematic diagram, and (b) figure is the interspersed schematic diagram of the second steel bar stress, and (c) figure is can to mend paddle grout sleeve grouting schematic diagram；
Fig. 6 be one embodiment of the invention mended paddle grout sleeve in different grouting degree schematic diagrames, wherein (a) figure is
Grouting face is in the schematic diagram under grout hole；B () figure is that grouting face is on benefit slurry hole, mends the schematic diagram starched under hole；
C () figure is grouting face on benefit slurry hole, the schematic diagram under plasma discharge hole；D () figure is can to mend paddle grout sleeve to fill filling
The schematic diagram of slurry；
Fig. 7 is the construction process figure of one embodiment of the invention.
In figure, 1- pier shafts；2- cushion caps；3- can mend paddle grout sleeve；The steel bar stresses of 4- first；The steel bar stresses of 5- second；
6- grouting materials；A- grout holes；B- mends slurry hole；C- plasma discharges hole.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to each reality of the invention
The mode of applying is explained in detail.
As Figure 1-4, the invention provides a kind of pier shaft and the attachment structure of cushion cap, including pier shaft 1 and cushion cap 2, if
Dry to mend the peripheral edge edge that paddle grout sleeve 3 is equably embedded in pier shaft 1 in advance, pre-buried some first steel bar stresses 4 of pier shaft 1 hold
Pre-buried some second steel bar stresses 5 of platform 2, wherein each bottom that can mend paddle grout sleeve 3 is provided with grout hole A, can mend paddle
The top of grout sleeve 3 is provided with benefit slurry hole B and plasma discharge hole C and plasma discharge hole C is located at the top for mending slurry hole B, grout hole A, benefit slurry hole B
Exterior space with plasma discharge hole C with pier shaft 1 is connected, and can be mended the middle part of paddle grout sleeve 3 and locally thickeied, so can be with
Optimization can mend the stress of paddle grout sleeve 3, while paddle grout sleeve 3 can be mended in the first steel bar stress 4 and the second stress steel
Muscle 5 may participate in the appropriate thinning wall thickness in part of stress, can save steel so that can mend paddle grout sleeve 3 stress and its
The use of material reaches most preferably；Each second steel bar stress 5 and each first steel bar stress 4 for stretching out cushion cap 2 pass through grouting material 6
Butting up against each can mend in paddle grout sleeve 3, and the first steel bar stress 4 inserts the depth that can mend paddle grout sleeve 3 more than rule
Fixed deep distance, with reference to the filling of grouting material 6, significantly limit the extraction of the first steel bar stress 4.
First steel bar stress 4 of pier shaft 1 is stretched into and can mended in paddle grout sleeve 3, is filled because mending the mended paddle caused by starching hole B
The increase of the length of sleeve 3 is starched, can additionally ensure bonding for 6 pairs of the first steel bar stresses 4 of grouting material, such that it is able to more efficiently keep away
Exempt from the first steel bar stress 4 to be pulled out.
Preferably, the first steel bar stress 4 and the second steel bar stress 5 use IV grades of high-strength screw-thread steel muscle.
Preferably, mend slurry hole B it is concordant with the stack shell that can mend paddle grout sleeve 3, and mend starch hole B stoppered by rubber stopper,
It is used to hide and mends slurry hole B.
Present invention also offers the connection method of a kind of pier shaft and cushion cap, implement above-mentioned attachment structure, as shown in fig. 7, its
Step is：
1) preparation of paddle grout sleeve 3, cushion cap 2 and pier shaft 1 can be mended, some to mend paddle grout sleeve 3 uniform pre-buried
In the peripheral edge edge of pier shaft 1, pre-buried some first steel bar stresses 4 of pier shaft 1, pre-buried some second steel bar stresses 5 of cushion cap 2；
2) positioning can mend the steel bar stress 5 of paddle grout sleeve 3 and second, and each second steel bar stress 5 for stretching out cushion cap 2 is inserted
Entering each can mend paddle grout sleeve 3, be then in the milk in paddle grout sleeve 3 to can mend, and make the second steel bar stress 5 and
One steel bar stress 4 is butted up against and can mended in paddle grout sleeve 3, when being in the milk：
As shown in Fig. 6 (a), when grouting face is under grout hole A, then can mend paddle grout sleeve 3 according to routine is in the milk
Work progress, grouting material 6 is injected by grout hole A, untill thering is at the C of plasma discharge hole grouting material 6 to discharge, finally use rubber stopper
Plasma discharge hole C is stoppered, slurry hole B is mended during the entire process of grouting and is stoppered with rubber stopper all the time.If in delivery receiving acceptance checking process
It was found that can mending, grouting in paddle grout sleeve 3 is discontented, can starch hole B and plasma discharge hole C by benefit carry out back-grouting so that grouting
Meet design and shockproof requirements, i.e.
As shown in Fig. 6 (b), observed after plasma discharge hole C after the final set of grouting material 6, can be passed sequentially through and slurry hole B is mended, when
Grouting face is on grout hole A, is mended under slurry hole B, then grout hole A is blocked needs and carries out benefit slurry, is mended when starching from benefit
Slurry hole B mud jacking, plasma discharge hole C pulps；
As significantly more efficient improvement, shown in such as Fig. 6 (c), slurry hole B is mended when grouting face exceedes, but under slurry outlet,
At this moment taking needle tubing can mend paddle grout sleeve 3 to grouting material 6 is injected in the C of plasma discharge hole up to filling up, referring to Fig. 6 (d).Due to mending
The increase of the length of the mended paddle grout sleeve 3 that slurry hole B is caused, can additionally ensure holding for 6 pairs of the first steel bar stresses 4 of grouting material
Wrap up in, compared with conventional grout sleeve, the first steel bar stress 4 is more difficult to extract, while the corrosion of the first steel bar stress 4 can be prevented.
Therefore, needle tubing is taken to inject the mode of grouting material 6 in plasma discharge hole C, possible packing can meet anti-corrosion not as good as high-pressure slip-casting
And take into account part power transmission demand.The reliability that component is connected is substantially increased by the second pulp feeding mended slurry hole B and plasma discharge hole C and carry out
Property and security, this to promote assembly concrete construction technology development and green construction technique propulsion have important meaning
Justice.
For the professional grouting construction troop of grout sleeve, carrying out grouting to grout sleeve can ensure most of filling
Grouting is full of and closely knit in slurry sleeve, reaches design requirement.With the raising of industrialization degree, the probability that grouting is full of can be more next
Higher, only a small amount of grout sleeve needs to mend slurry.At this moment can will mend slurry hole B be designed as it is concealed, that is, mend slurry hole B rubbers
Stopper and concordant with the stack shell of grout sleeve, it is non-bulging next.When needing to mend slurry, it is only necessary to chisel top layer by simple tool
Concrete can expose benefit slurry hole B carries out benefit slurry.Project quality inspection is easy in the concealed design simultaneously, according to certain ratio
It is required that, pair can mend paddle grout sleeve 3 is sampled inspection, and the mended paddle grout sleeve 3 drawn can be determined with observation analysis
The position in grouting face, as shown in fig. 6, regarding the different situations of " filling discontented ", is targetedly mended slurry.
Present invention also offers a kind of mended paddle grout sleeve for being applied to bar connecting, as shown in figure 4, paddle can be mended
Grout sleeve 3 is made up of stainless steel material, and its underpart opens up grout hole A, and top opens up benefit slurry hole B and plasma discharge hole C and plasma discharge hole C
Positioned at the top for mending slurry hole B, the steel bar stress for needing connection is inserted from the two ends that can mend paddle grout sleeve 3, and slurry can mended
Grouting material 6 is poured into the cavity of formula grout sleeve 3 and is connect with forming reinforcing bar slurry anchor connection at the middle part that can mend paddle grout sleeve 3
Head, and the middle part locally thickening of paddle grout sleeve 3 can be mended.
First steel bar stress 4 of the embodiment and the joint of the second steel bar stress 5, can as mend paddle grout sleeve 3
Weak part, the middle part that pair can mend paddle grout sleeve 3 locally thickeies, can prevent that paddle grout sleeve 3 can be mended
Fracture, while thinning mending paddle grouting set part that the first steel bar stress 4 and the second steel bar stress 5 may participate in stress is appropriate
The wall thickness of cylinder 3, can save steel, hence in so that the use that can mend the stress and material of paddle grout sleeve 3 is performed to most preferably
Effect.The packing that can mend the grouting of paddle grout sleeve 3 can be checked by mending slurry hole B and plasma discharge hole C, if grouting material 6 is closely knit
Degree does not reach requirement, carry out back-grouting at slurry hole B that can mend, and is discharged by plasma discharge hole C, and then carry out needle tubing note in plasma discharge hole C
Slurry, which increases bonding for 6 pairs of the first steel bar stresses 4 of grouting material, makes that the first steel bar stress 4 is more difficult to be pulled out, while
Can also anti-corrosion.This can mend paddle grout sleeve 3 and be applicable to precast assembly bridge pier, prefabricated beam column, precast shear wall etc..This meeting
The reliability and security of component connection are greatly improved, to promoting the development of concrete construction process and green construction during assembling to push away
Enter to have great importance.
The preferred embodiment of patent of the present invention described in detail above.It should be appreciated that the ordinary skill people of this area
Member just can make many modifications and variations without creative work according to the design of patent of the present invention.Therefore, all this technology necks
Technical staff under this invention's idea on the basis of existing technology can by logical analysis, reasoning, or a limited experiment in domain
With the technical scheme for obtaining, all should be in protection domain determined by claim.
Claims (7)
1. the attachment structure of a kind of pier shaft and cushion cap, it is characterised in that：It is some to mend paddle grout sleeve including pier shaft and cushion cap
The peripheral edge edge of the pier shaft is embedded in advance, and pre-buried some first steel bar stresses of pier shaft, the cushion cap pre-buried some second is received
Power reinforcing bar, the bottom that paddle grout sleeve can be wherein mended described in each is provided with grout hole, described to mend the upper of paddle grout sleeve
Portion is provided with benefit slurry hole and plasma discharge hole and the plasma discharge hole position is in the top for mending slurry hole, and the grout hole, benefit starch hole and plasma discharge
The exterior space connection of pier shaft described in Kong Junyu, stretch out each described second steel bar stress of the cushion cap with each described first
Steel bar stress is butted up against by grouting material and can mended in paddle grout sleeve described in each.
2. attachment structure as claimed in claim 1, it is characterised in that：First steel bar stress and the second steel bar stress are used
IV grades of high-strength screw-thread steel muscle.
3. attachment structure as claimed in claim 1, it is characterised in that：The middle part for mending paddle grout sleeve locally adds
It is thick.
4. attachment structure as claimed in claim 1, it is characterised in that：The slurry hole of mending is with the paddle grout sleeve mended
Stack shell is concordant, and the slurry hole of mending is stoppered by rubber stopper, is used to hide the benefit slurry hole.
5. the connection method of a kind of pier shaft and cushion cap, implements attachment structure as claimed in claim 1, and its step is：
1) preparation of paddle grout sleeve, cushion cap and pier shaft can be mended, it is some to mend the circumference that paddle grout sleeve is embedded in pier shaft in advance
Edge, pre-buried some first steel bar stresses of pier shaft, pre-buried some second steel bar stresses of cushion cap；
2) positioning can mend paddle grout sleeve and the second steel bar stress, stretch out cushion cap each second steel bar stress insert each can
Paddle grout sleeve is mended, is then in the milk in paddle grout sleeve to can mend, make the second steel bar stress and the first steel bar stress
Butting up against can mend in paddle grout sleeve, when being in the milk：
When grouting face is under grout hole, then according to the conventional work progress that can mend the grouting of paddle grout sleeve, slurry hole will be mended
It is stifled tight, from grout hole mud jacking, plasma discharge hole pulp；
When grouting face is on grout hole, mend under slurry hole, then grout hole is blocked needs and carries out benefit slurry, when mending slurry from
Mend slurry pore pressure slurry, plasma discharge hole pulp；
Mend slurry hole when grouting face exceedes, but under slurry outlet, at this moment take needle tubing to injecting grouting material in plasma discharge hole until
Filling up can mend paddle grout sleeve.
6. a kind of mended paddle grout sleeve for being applied to bar connecting, it is characterised in that：The paddle grout sleeve mended
Bottom opens up grout hole, and top opens up mends slurry hole and plasma discharge hole and the plasma discharge hole position is in the top for mending slurry hole, from described
The two ends insertion of paddle grout sleeve can be mended needs the steel bar stress of connection, and in the cavity for mending paddle grout sleeve
The middle part that grouting material is poured into mend paddle grout sleeve described forms reinforcing bar slurry anchor connection joint, and described mends paddle
The middle part of grout sleeve locally thickeies.
7. the mended paddle grout sleeve as shown in claim 6, it is characterised in that：The paddle grout sleeve of mending is not using
Rust Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180766.8A CN106760226A (en) | 2016-12-19 | 2016-12-19 | Attachment structure and the connection method of paddle grout sleeve, pier shaft and cushion cap can be mended |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180766.8A CN106760226A (en) | 2016-12-19 | 2016-12-19 | Attachment structure and the connection method of paddle grout sleeve, pier shaft and cushion cap can be mended |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106760226A true CN106760226A (en) | 2017-05-31 |
Family
ID=58890713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611180766.8A Pending CN106760226A (en) | 2016-12-19 | 2016-12-19 | Attachment structure and the connection method of paddle grout sleeve, pier shaft and cushion cap can be mended |
Country Status (1)
| Country | Link |
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| CN (1) | CN106760226A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326810A (en) * | 2017-08-03 | 2017-11-07 | 武汉理工大学 | The reserved grout hole connection method of precast assembly bridge pier |
| CN107884516A (en) * | 2017-11-29 | 2018-04-06 | 中国建筑科学研究院 | Prefabricated concrete structure grout sleeve node checks and accepts device and its application method |
| CN108560544A (en) * | 2018-06-22 | 2018-09-21 | 湘潭大学 | A kind of sleeve connection assembled pile foundation and its construction method |
| CN109098468A (en) * | 2018-09-11 | 2018-12-28 | 上海市建筑科学研究院 | Supplementary irrigation method is injected in drilling for sleeve grouting defect |
| CN109457599A (en) * | 2018-11-29 | 2019-03-12 | 福州大学 | Hollow pier and cushion cap splicing construction and construction method |
| CN110005052A (en) * | 2019-04-17 | 2019-07-12 | 中国十七冶集团有限公司 | A kind of attachment device based on fabricated construction installation |
| CN110258307A (en) * | 2019-07-08 | 2019-09-20 | 中铁二院工程集团有限责任公司 | A kind of monoblock type grout sleeve and pin-connected panel pier stud |
| CN110485643A (en) * | 2018-07-21 | 2019-11-22 | 李藏柱 | A kind of closed-entry reinforcing steel bar connecting sleeve tube and its assembling structure and installation method |
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| CN203684409U (en) * | 2014-01-17 | 2014-07-02 | 中冶建筑研究总院有限公司 | Armored concrete grouting connection sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326810A (en) * | 2017-08-03 | 2017-11-07 | 武汉理工大学 | The reserved grout hole connection method of precast assembly bridge pier |
| CN107326810B (en) * | 2017-08-03 | 2018-06-12 | 武汉理工大学 | The reserved grout hole connection method of precast assembly bridge pier |
| CN107884516A (en) * | 2017-11-29 | 2018-04-06 | 中国建筑科学研究院 | Prefabricated concrete structure grout sleeve node checks and accepts device and its application method |
| CN108560544A (en) * | 2018-06-22 | 2018-09-21 | 湘潭大学 | A kind of sleeve connection assembled pile foundation and its construction method |
| CN108560544B (en) * | 2018-06-22 | 2024-01-26 | 湘潭大学 | Sleeve connection assembled pile foundation and construction method thereof |
| CN110485643A (en) * | 2018-07-21 | 2019-11-22 | 李藏柱 | A kind of closed-entry reinforcing steel bar connecting sleeve tube and its assembling structure and installation method |
| CN109098468A (en) * | 2018-09-11 | 2018-12-28 | 上海市建筑科学研究院 | Supplementary irrigation method is injected in drilling for sleeve grouting defect |
| CN109457599A (en) * | 2018-11-29 | 2019-03-12 | 福州大学 | Hollow pier and cushion cap splicing construction and construction method |
| CN109457599B (en) * | 2018-11-29 | 2023-07-07 | 福州大学 | Splicing structure of hollow pier and bearing platform and construction method |
| CN110005052A (en) * | 2019-04-17 | 2019-07-12 | 中国十七冶集团有限公司 | A kind of attachment device based on fabricated construction installation |
| CN110258307A (en) * | 2019-07-08 | 2019-09-20 | 中铁二院工程集团有限责任公司 | A kind of monoblock type grout sleeve and pin-connected panel pier stud |
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Application publication date: 20170531 |
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