CN105421223A - Prefabricated pier upright column, cushion cap spigot and insertion groove combined connection structure and splicing method - Google Patents
Prefabricated pier upright column, cushion cap spigot and insertion groove combined connection structure and splicing method Download PDFInfo
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- CN105421223A CN105421223A CN201510970673.4A CN201510970673A CN105421223A CN 105421223 A CN105421223 A CN 105421223A CN 201510970673 A CN201510970673 A CN 201510970673A CN 105421223 A CN105421223 A CN 105421223A
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- 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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention discloses a prefabricated pier upright column, cushion cap spigot and insertion groove combined connection structure which comprises a prefabricated upright column and a cushion cap. The upright column comprises an exposed end and an embedded end, a plurality of steel ribs are embedded in the upright column, and the steel ribs extend from the bottom end of the upright column by a certain length to form free ends; an upright column installation hole groove is formed in the vertical direction of the cushion cap, and a plurality of steel rib insertion grooves are formed in the bottom of the upright column installation hole groove; the section shape and the size of the upright installation hole groove are matched with the section shape and the size of the embedded end of the upright column so that the embedded end of the upright column can be embedded into the upright column installation hole groove, and the number, the setting positions and the depths of the steel rib insertion grooves are matched with the number, the setting positions and the lengths of the free ends of the steel ribs so that the free ends of the steel ribs can be embedded in the steel rib insertion grooves. The embedded and fixed connection strength between the upright column and the cushion cap are enhanced in the mode that the number of the steel ribs extend from the bottom of the upright column is increased and the steel ribs are matched and connected with the steel rib insertion grooves of the cushion cap so that increase of the thickness of the cushion cap can be avoided when the section area of the upright column is large, bridge manufacturing materials are saved, and cost is reduced.
Description
Technical field
The present invention relates to bridge construction technical field, particularly a kind of bridge prefabrication pier column and cushion cap socket type connecting structure and assembling method thereof.
Background technology
In prior art, bridge construction precast pier column and the assembled of cushion cap are typically employed in embedded sleeve barrel in column or cushion cap, built-in metal bellows and adopt prestress wire, and the connecting reinforcement then in cushion cap or column accurately locates socket three kinds of built-in fitting Splicing models; In addition, prefabricated one section of column while of also having on cushion cap, arranges one section of cast in situs section and precast pier and cushion cap is linked to be overall joining method between this column and top column.
Due to above-mentioned three kinds of conventional built-in fitting Splicing models all need in column or cushion cap the built-in fitting such as pre-buried a fairly large number of sleeve, bellows or prestress pipe, and it is higher to the requirement of the construction such as connecting reinforcement and built-in fitting positioning precision in prefabricated units, the redundancy of site operation adjustment is less, all proposes very high requirement to construction machinery, equipment, manufacture processing etc.; And adopt the erection method that cast in situs section connects, need carry out reinforcement welding at the scene and concretely to build, site work amount is larger.
For above-mentioned prior art defect and propose be a kind ofly applicable to precast pier column and the assembled bayonet joint of cushion cap constructs, without the need to the built-in fitting such as pre-buried a large amount of sleeve, bellows or prestress pipe when prefabricated stand column and cushion cap, without the need to locating highly accurately during site operation, the amount of redundancy of adjustment is also larger.But, when column section area is larger, require that its degree of depth inserting cushion cap is also comparatively large, thus the thickness of corresponding requirements cushion cap is also thicker, thus causes the situation that cushion cap material usage is larger.
Summary of the invention
Because the above-mentioned defect of prior art, technical purpose of the present invention is to provide a kind of bridge prefabrication pier column and cushion cap socket joint and slot combined connecting structure and assembling method thereof, improve in prior art the defects such as positioning accuracy request of constructing is high, job site adjustment redundancy is little, high to construction equipment requirement, site operation workload is large, simultaneously, when column section area is larger, without the need to increasing the thickness of cushion cap, thus saving bridge construction material usage, reducing costs.
For achieving the above object, the invention provides a kind of precast pier column and cushion cap socket joint and slot combined connecting structure, comprise prefabricated stand column and cushion cap, described prefabricated stand column comprises column exposed junction and column built-in end, bury some reinforcing bars in described prefabricated stand column underground, described reinforcing bar is provided with the free-end stretching out certain length from described column built-in end bottom; The vertical direction of described cushion cap is arranged column and install hole groove, described column is installed hole trench bottom vertical direction and is provided with some reinforcing bar slots; The cross sectional shape of the cross sectional shape of hole groove, size and described column built-in end installed by described column, size matches to make described column built-in end can embed described column and installs in the groove of hole, and the quantity of the quantity of described reinforcing bar slot, setting position and the degree of depth and described reinforcing bar free-end, setting position and length match to make described reinforcing bar free-end embed in described reinforcing bar slot; The gap that described column is installed between the inwall of hole groove and the outer wall of described column built-in end is more than or equal to 2cm; The bottom of all described reinforcing bar slots to be one another in series UNICOM by slot ditch circulation passage, the end face of described cushion cap is provided with some mud jacking holes, the bottom of the described reinforcing bar slot equal with described mud jacking hole number is provided with slurry-feeding hole, is provided with mud jacking passage between described mud jacking hole and described slurry-feeding hole.
Further, the maximum outer profile size of described column built-in end equals the outer profile size of described column exposed junction.
Further, the maximum outer profile size of described column built-in end is less than the outer profile size of described column exposed junction, and the end face of described cushion cap is also provided with slurry outlet, and the upper end that described slurry outlet installs hole groove by pulp passage and described column is connected.
Further, the surface of described column built-in end arranges the column shear connector of some annular protrusions; The inwall of described column installation hole groove arranges the cushion cap shear connector of some annular protrusions.
The invention also discloses a kind of precast pier column and cushion cap assembling method, comprise step:
A. prefabricated stand column, described column comprises exposed junction and built-in end, buries some reinforcing bars in described column underground, and described reinforcing bar is provided with the free-end stretching out certain length from described column built-in end bottom;
B. prefabricated or cast-in-place cushion cap, the vertical direction of described cushion cap arranges column and installs hole groove, and installs hole trench bottom at described column and arrange some and described column and install the equidirectional reinforcing bar slot of hole groove; The cross sectional shape of the cross sectional shape of hole groove, size and described column built-in end installed by described column, size matches to enable described column built-in end embed described column and installs in the groove of hole, and the outer wall of described column built-in end and described column hole groove is installed inwall between gap be more than or equal to 2cm; The quantity of the quantity of described reinforcing bar slot, setting position and the degree of depth and described reinforcing bar free-end, setting position and length match to enable described reinforcing bar free-end embed in described reinforcing bar slot; The bottom of all described reinforcing bar slots to be one another in series UNICOM by slot ditch circulation passage, the end face of described cushion cap also arranges some mud jacking holes, the bottom of the described reinforcing bar slot equal with described mud jacking hole number is provided with slurry-feeding hole, is provided with mud jacking passage between described mud jacking hole and described slurry-feeding hole;
C. at described column, hole groove bottom is installed and cushion block is set, the built-in end of described column is inserted described column and install in the groove of hole, described reinforcing bar free-end is inserted in described reinforcing bar slot simultaneously; Certain interval is kept between the bottom surface that described cushion block makes the bottom of described column built-in end and described column install hole groove; Gap between the inwall that the position adjusting described column built-in end makes described column built-in end outer wall and described column install hole groove is more than or equal to 2cm;
D. by described mud jacking hole, described mud jacking passage and described slurry-feeding hole, high strength and no shrinting cementation material is fed in described reinforcing bar slot, install in the gap between the groove of hole until described high strength and no shrinting cementation material is full of whole described reinforcing bar slot and described column built-in end and described column completely, after described high strength and no shrinting cementation material solidifies, described column and described cushion cap are spliced into entirety.
Further, in described step B, the method arranging described reinforcing bar slot is specially: install hole trench bottom built-in metal bellows at described column and form described reinforcing bar slot or direct reinforcing bar slot described in the prefabricated hole formation with tongue and groove.
Further, in described steps A, the maximum outer profile size of described column built-in end equals the outer profile size of described column exposed junction; In described step D, by described mud jacking hole, described mud jacking passage and described slurry-feeding hole, described high strength and no shrinting cementation material is fed in described reinforcing bar slot, until described high strength and no shrinting cementation material overflows the top that gap between the groove of hole installed by described column built-in end and described column.
Further, in described steps A, the maximum outer profile size of described column built-in end is less than the outer profile size of described column exposed junction; In described step B, the end face of described cushion cap is also provided with slurry outlet, the upper end that described slurry outlet installs hole groove by pulp passage and described column is connected; In described step D, by described mud jacking hole, described mud jacking passage and described slurry-feeding hole, described high strength and no shrinting cementation material is fed into described reinforcing bar slot until described high strength and no shrinting cementation material overflows described slurry outlet.
Further, in described steps A, the column shear connector of some annular protrusions is set on the surface of described column built-in end; In described step B, the cushion cap shear connector of some annular protrusions is set at the inwall of described column installation hole groove.
Further, toward each other, the gap between described column shear connector respect to one another and described cushion cap shear connector is more than or equal to 2cm for described column shear connector and described cushion cap shear connector.
Beneficial effect of the present invention:
The present invention is owing to have employed said structure and assembling method, and without the need to a fairly large number of built-in fitting pre-buried in prefabricated stand column or cushion cap, site operation positioning accuracy request is low, the redundancy of adjustment is large, and not high to construction machinery, equipment, manufacture processing request; Without the need to on-the-spot binding reinforcing bars, welding and extensive concreting work, the quick facility of in-site installation, workload are little; And stretch out by increasing column bottom the build-in bonding strength that mode that reinforcing bar and cushion cap reinforcing bar slot be connected strengthens between column and cushion cap when column sectional area is larger, thus avoid increasing cushion cap thickness, save bridging material and reduce costs.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the embodiment of the present invention 1.
Fig. 2 is along A-A line cross-sectional view in Fig. 1.
Fig. 3 is the plan structure schematic diagram of the embodiment of the present invention 2.
Fig. 4 is along A-A line cross-sectional view in Fig. 3.
In figure, 1 cushion cap; 11 cushion cap shear connectors; 12 mud jacking holes; 13 mud jacking passages; 14 slurry-feeding holes; Hole groove installed by 15 columns; 16 slurry outlets; 17 pulp passages; 18 reinforcing bar slots; 19 slot ditch circulation passage; 2 columns; 21 column shear connectors; 22 column exposed junctions; 23 column built-in ends; 24 reinforcing bars; 25 reinforcing bar free-ends; 3 high strength and no shrinting cementation material; 4 cushion blocks; 5 pile foundations; The top in groove gap, hole installed by 6 column built-in ends and column.
Detailed description of the invention
Embodiment 1
As Figure 1-Figure 2, a specific embodiment of precast pier column of the present invention and cushion cap socket joint and slot combined connecting structure and assembling method, comprises the following steps:
Prefabricated stand column 2, prefabricated stand column 2 comprises column exposed junction 22 and column built-in end 23, buries some reinforcing bars 24 in prefabricated stand column 2 underground, and reinforcing bar 24 is provided with the free-end 25 stretching out certain length from column built-in end 23 bottom; Those skilled in the art should know, the cross-sectional sizes of column built-in end 23 and arrangement of reinforcement, and the length of the magnitude setting of reinforcing bar and reinforcing bar free-end need meet bridge construction and normally uses and keep firm every technical requirements with bridge under geological process, the outer profile size of the present embodiment central post exposed junction 22 is equal with the maximum outer profile size of built-in end 23, and the outer wall of column built-in end 23 arranges the column shear connector 21 of some annular projections.
Cast-in-place cushion cap 1, the vertical direction of cushion cap 1 arranges column hole groove 15 is installed, the inwall of column installation hole groove 15 is arranged the cushion cap shear connector 11 of some annular projections, and install to arrange bottom hole groove 15 at column and somely with column, groove equidirectional reinforcing bar slot 18 in hole is installed, in the present embodiment, form reinforcing bar slot 18 by the bottom vertical built-in metal bellows installing hole groove at column when cast-in-place cushion cap; The cross sectional shape of hole groove 15 installed by column, the cross sectional shape of size and column built-in end 23, size match to make column built-in end 23 can embed column and install in hole groove 15, and column shear connector 21 and cushion cap shear connector 11 toward each other time gap be between the two more than or equal to 2cm; The quantity of the quantity of reinforcing bar slot 18, setting position and the degree of depth and reinforcing bar free-end 25, setting position and length match reinforcing bar free-end 25 can be embedded in reinforcing bar slot 18.Certainly, those skilled in the art also should know, and the degree of depth that column installs hole groove 15 and reinforcing bar slot 18 need meet bridge construction and normally use build-in switching performance with prefabricated stand column under bridge geological process and cushion cap.
The bottom of all reinforcing bar slots 18 to be one another in series UNICOM by slot ditch circulation passage 19, the end face of cushion cap 1 also arranges two mud jacking holes 12, correspondingly, the bottom of two reinforcing bar slots 18 is provided with slurry-feeding hole 14, and two mud jacking holes 12 are communicated with slurry-feeding hole 14 respectively by mud jacking passage 13.In some other embodiment, mud jacking hole 12 at least needs to arrange one, or arranges more, correspondingly, at least need be provided with slurry-feeding hole 14 in the bottom of a reinforcing bar slot 18 or arrange slurry-feeding hole 14 in the bottom of more reinforcing bar slot 18.Because all reinforcing bar slots 18 to be all one another in series UNICOM by slot ditch circulation passage 19, even if only arrange slurry-feeding hole 14 also can guarantee that all reinforcing bar slots 18 can be full of by cementation in the bottom of a reinforcing bar slot 18.Certainly, multiple slurry-feeding hole 14 is set and can improves mud jacking speed, also make grouting more even.
It is worth mentioning that, cushion cap shear connector 11 and column shear connector 21 are set and can improve anchoring strength between column and cushion cap.Certainly, in some other embodiment, above-mentioned two kinds of shear connectors can all not arranged, those skilled in the art should know, and the magnitude setting of the anchorage depth now between column and cushion cap, reinforcing bar free-end and the detail structure such as length and cushion cap base plate thickness need corresponding increase to increase the anchoring strength between column and cushion cap.
Prefabricated cushion cap 1 is fixed on after on bridge pile foundation 5, at column, groove 15 bottom surface, hole is installed and cushion block 4 is set, the built-in end 23 of column is inserted and is erected on cushion block 4 in column installation hole groove 15, reinforcing bar free-end 25 is inserted in reinforcing bar slot 18 simultaneously; Keep certain interval between the bottom surface that cushion block 4 makes the bottom of column built-in end 23 and column install hole groove 15, the bottom surface avoiding column built-in end 23 and column to install hole groove 15 directly contact thus close be arranged at column hole groove 15 bottom surface is installed under reinforcing bar slot 18; The position of adjustment column built-in end 23 makes column shear connector 21 and cushion cap shear connector 11 toward each other and gap is between the two more than or equal to 2cm; The transmission force property of the shear connector be oppositely arranged is better than negative and positive mosaic, makes the anchoring strength between cushion cap and column higher.
Use grouting machine by high strength and no shrinting cementation material by mud jacking hole 12, mud jacking passage 13 and slurry-feeding hole 14 are fed in reinforcing bar slot 18, because all reinforcing bar slots 18 to be all one another in series UNICOM by slot ditch circulation passage 19, high strength and no shrinting cementation material can flow to all reinforcing bar slots 18 from the reinforcing bar slot 18 being provided with slurry-feeding hole 14, after spaces all in reinforcing bar slot 18 are full of by high strength and no shrinting cementation material, high strength and no shrinting cementation material overflows reinforcing bar slot 18 and enters in column installation hole groove 15, until the top 6 that high strength and no shrinting cementation material 3 installs hole groove 15 gap from column built-in end 23 and column is overflowed, now, illustrate in reinforcing bar slot 18 and column built-in end 23 and column install gap between hole groove 15 completely be full of by high strength and no shrinting cementation material 3, be in the milk closely knit full, after high strength and no shrinting cementation material 3 solidifies, column 2 and cushion cap 1 are spliced into entirety.
Embodiment 2
As Figure 3-Figure 4, another specific embodiment of precast pier column of the present invention and cushion cap socket joint and slot combined connecting structure and assembling method, comprises the following steps:
Prefabricated stand column 2, column 2 comprises exposed junction 22 and built-in end 23, buries some reinforcing bars 24 in column 2 underground, and reinforcing bar 24 is provided with the free-end 25 stretching out certain length from column built-in end 23 bottom; Those skilled in the art should know, the cross-sectional sizes of column built-in end 23 and arrangement of reinforcement, and the length of the magnitude setting of reinforcing bar and reinforcing bar free-end need meet bridge construction and normally uses and keep firm every technical requirements with bridge under geological process, the outer profile size of the present embodiment central post exposed junction 22 is greater than the maximum outer profile size of built-in end 23, and the outer wall of column built-in end 23 arranges the column shear connector 21 of some annular projections.
Prefabricated cushion cap 1, the vertical direction of cushion cap 1 arranges column hole groove 15 is installed, the inwall of column installation hole groove 15 is arranged the cushion cap shear connector 11 of some annular projections, and install to arrange bottom hole groove 15 at column and somely with column, groove equidirectional reinforcing bar slot 18 in hole is installed, in the present embodiment, by installing the hole formation reinforcing bar slot 18 of the direct prefabricated band tongue and groove in bottom of hole groove when prefabricated cushion cap at column; The cross sectional shape of the cross sectional shape of hole groove 15, size and column built-in end 23 installed by column, size matches to make column built-in end 23 can embed column and installs in hole groove 15, and column shear connector 21 and cushion cap shear connector 11 toward each other time, gap is between the two more than or equal to 2cm; The quantity of the quantity of reinforcing bar slot 18, setting position and the degree of depth and reinforcing bar free-end 25, setting position and length match reinforcing bar free-end 25 can be embedded in reinforcing bar slot 18.Certainly, those skilled in the art also should know, and the degree of depth that column installs hole groove 15 and reinforcing bar slot 18 need meet bridge construction and normally use build-in switching performance with prefabricated stand column under bridge geological process and cushion cap.
The bottom of all reinforcing bar slots 18 to be one another in series UNICOM by slot ditch circulation passage 19, the end face of cushion cap 1 also arranges two mud jacking holes 12, correspondingly, the bottom of two reinforcing bar slots 18 is provided with slurry-feeding hole 14, and two mud jacking holes 12 are communicated with slurry-feeding hole respectively by mud jacking passage 13 with slurry-feeding hole 14.In some other embodiment, mud jacking hole 12 at least needs to arrange one, or arranges more, correspondingly, is only provided with slurry-feeding hole 14 in the bottom of a reinforcing bar slot 18 or arranges slurry-feeding hole 14 in the bottom of more reinforcing bar slot 18.Because all reinforcing bar slots 18 to be all one another in series UNICOM by slot ditch circulation passage 19, even if only arrange slurry-feeding hole 14 also can guarantee that all reinforcing bar slots 18 can be full of by cementation in the bottom of a reinforcing bar slot 18.Certainly, multiple slurry-feeding hole 14 is set and can improves mud jacking speed, also make grouting more even.
Outer profile size due to the present embodiment central post exposed junction 22 is greater than the maximum outer profile size of built-in end 23, therefore column exposed junction 22 installs gap between hole groove 15 by covering column built-in end 22 and column completely, thus need to be provided with slurry outlet 16 on the end face of cushion cap 1, the upper end that slurry outlet 16 installs hole groove 15 by pulp passage 17 and column is connected, after column built-in end 22 and the column gap of installing between hole groove 15 is full of by grouting completely, cementation is overflowed from slurry outlet 16 by pulp passage 17; Slurry outlet 16 can arrange one and also can arrange multiple, and correspondingly, pulp passage 17 also arranges one or more.The present embodiment is provided with two slurry outlets 16 and two pulp passages 17, can observe the grouting situation of different parts better, closely knit full to guarantee grouting.
Prefabricated cushion cap 1 is fixed on after on bridge pile foundation 5, at column, groove 15 bottom surface, hole is installed and cushion block 4 is set, the built-in end 23 of column is inserted and is erected on cushion block 4 in column installation hole groove 15, reinforcing bar free-end 25 is inserted in reinforcing bar slot 18 simultaneously; Keep certain interval between the bottom surface that cushion block 4 makes the bottom of column built-in end 23 and column install hole groove 15, the bottom surface avoiding column built-in end 23 and column to install hole groove 15 directly contact thus close be arranged at column hole groove 15 bottom surface is installed under reinforcing bar slot 18; The position of adjustment column built-in end 23 makes column shear connector 21 and cushion cap shear connector 11 toward each other and gap is between the two more than or equal to 2cm; The transmission force property of the shear connector be oppositely arranged is better than negative and positive mosaic, makes the anchoring strength between cushion cap and column higher.
Use grouting machine by high strength and no shrinting cementation material by mud jacking hole 12, mud jacking passage 13 and slurry-feeding hole 14 are fed in reinforcing bar slot 18, because all reinforcing bar slots 18 to be all one another in series UNICOM by slot ditch circulation passage 19, high strength and no shrinting cementation material can flow to all reinforcing bar slots 18 from the reinforcing bar slot 18 being provided with slurry-feeding hole 14, after spaces all in reinforcing bar slot 18 are full of by high strength and no shrinting cementation material, high strength and no shrinting cementation material overflows reinforcing bar slot 18 and enters in column installation hole groove 15, until high strength and no shrinting cementation material 3 overflows from slurry outlet 16, now, illustrate in reinforcing bar slot 18 and column built-in end 23 and column install gap between hole groove 15 completely be full of by high strength and no shrinting cementation material 3, be in the milk closely knit full, after high strength and no shrinting cementation material 3 solidifies, column 2 and cushion cap 1 are spliced into entirety.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a precast pier column and cushion cap socket joint and slot combined connecting structure, comprise prefabricated stand column and cushion cap, it is characterized in that, described prefabricated stand column comprises column exposed junction and column built-in end, bury some reinforcing bars in described prefabricated stand column underground, described reinforcing bar is provided with the free-end stretching out certain length from described column built-in end bottom; The vertical direction of described cushion cap is arranged column and install hole groove, described column is installed hole trench bottom vertical direction and is provided with some reinforcing bar slots; The cross sectional shape of the cross sectional shape of hole groove, size and described column built-in end installed by described column, size matches to make described column built-in end can embed described column and installs in the groove of hole, and the quantity of the quantity of described reinforcing bar slot, setting position and the degree of depth and described reinforcing bar free-end, setting position and length match to make described reinforcing bar free-end embed in described reinforcing bar slot; The gap that described column is installed between the inwall of hole groove and the outer wall of described column built-in end is more than or equal to 2cm; The bottom of all described reinforcing bar slots to be one another in series UNICOM by slot ditch circulation passage, the end face of described cushion cap is provided with some mud jacking holes, the bottom of the described reinforcing bar slot equal with described mud jacking hole number is provided with slurry-feeding hole, is provided with mud jacking passage between described mud jacking hole and described slurry-feeding hole.
2. want precast pier column described in 1 and cushion cap socket joint and slot combined connecting structure according to right, it is characterized in that, the maximum outer profile size of described column built-in end equals the outer profile size of described column exposed junction.
3. want precast pier column described in 1 and cushion cap socket joint and slot combined connecting structure according to right, it is characterized in that, the maximum outer profile size of described column built-in end is less than the outer profile size of described column exposed junction, the end face of described cushion cap is also provided with slurry outlet, and the upper end that described slurry outlet installs hole groove by pulp passage and described column is connected.
4., according to the arbitrary described precast pier column of claim 1-3 and cushion cap socket joint and slot combined connecting structure, it is characterized in that, the surface of described column built-in end arranges the column shear connector of some annular protrusions; The inwall of described column installation hole groove arranges the cushion cap shear connector of some annular protrusions.
5. an assembling method for precast pier column and cushion cap, is characterized in that, comprises step:
A. prefabricated stand column, described prefabricated stand column comprises column exposed junction and column built-in end, buries some reinforcing bars in described prefabricated stand column underground, and described reinforcing bar is provided with the free-end stretching out certain length from described column built-in end bottom;
B. prefabricated or cast-in-place cushion cap, the vertical direction of described cushion cap arranges column and installs hole groove, and installs hole trench bottom at described column and arrange some and described column and install the equidirectional reinforcing bar slot of hole groove; The cross sectional shape of the cross sectional shape of hole groove, size and described column built-in end installed by described column, size matches to enable described column built-in end embed described column and installs in the groove of hole, and the outer wall of described column built-in end and described column hole groove is installed inwall between gap be more than or equal to 2cm; The quantity of the quantity of described reinforcing bar slot, setting position and the degree of depth and described reinforcing bar free-end, setting position and length match to enable described reinforcing bar free-end embed in described reinforcing bar slot; The bottom of all described reinforcing bar slots to be one another in series UNICOM by slot ditch circulation passage, the end face of described cushion cap also arranges some mud jacking holes, the bottom of the described reinforcing bar slot equal with described mud jacking hole number is provided with slurry-feeding hole, is provided with mud jacking passage between described mud jacking hole and described slurry-feeding hole;
C. at described column, hole groove bottom is installed and cushion block is set, the built-in end of described column is inserted described column and install in the groove of hole, described reinforcing bar free-end is inserted in described reinforcing bar slot simultaneously; Certain interval is kept between the bottom surface that described cushion block makes the bottom of described column built-in end and described column install hole groove; Gap between the inwall that the position adjusting described column built-in end makes described column built-in end outer wall and described column install hole groove is more than or equal to 2cm;
D. by described mud jacking hole, described mud jacking passage and described slurry-feeding hole, high strength and no shrinting cementation material is fed in described reinforcing bar slot, install in the gap between the groove of hole until described high strength and no shrinting cementation material is full of whole described reinforcing bar slot and described column built-in end and described column completely, after described high strength and no shrinting cementation material solidifies, described column and described cushion cap are spliced into entirety.
6. the assembling method of precast pier column according to claim 5 and cushion cap, it is characterized in that, in described step B, the method arranging described reinforcing bar slot is specially: install hole trench bottom built-in metal bellows at described column and form described reinforcing bar slot or direct reinforcing bar slot described in the prefabricated hole formation with tongue and groove.
7. the assembling method of precast pier column according to claim 5 and cushion cap, is characterized in that, in described steps A, the maximum outer profile size of described column built-in end equals the outer profile size of described column exposed junction; In described step D, by described mud jacking hole, described mud jacking passage and described slurry-feeding hole, described high strength and no shrinting cementation material is fed in described reinforcing bar slot, until described high strength and no shrinting cementation material overflows the top that gap between the groove of hole installed by described column built-in end and described column.
8. the assembling method of precast pier column according to claim 5 and cushion cap, is characterized in that, in described steps A, the maximum outer profile size of described column built-in end is less than the outer profile size of described column exposed junction; In described step B, the end face of described cushion cap is also provided with slurry outlet, the upper end that described slurry outlet installs hole groove by pulp passage and described column is connected; In described step D, by described mud jacking hole, described mud jacking passage and described slurry-feeding hole, described high strength and no shrinting cementation material is fed into described reinforcing bar slot until described high strength and no shrinting cementation material overflows described slurry outlet.
9., according to the assembling method of the arbitrary described precast pier column of claim 5-8 and cushion cap, it is characterized in that, in described steps A, the column shear connector of some annular protrusions is set on the surface of described column built-in end; In described step B, the cushion cap shear connector of some annular protrusions is set at the inwall of described column installation hole groove.
10. the assembling method of precast pier column according to claim 9 and cushion cap, it is characterized in that, toward each other, the gap between described column shear connector respect to one another and described cushion cap shear connector is more than or equal to 2cm for described column shear connector and described cushion cap shear connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510970673.4A CN105421223B (en) | 2015-12-21 | 2015-12-21 | Precast pier column and cushion cap socket joint and slot combined connecting structure and assembling method |
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| CN201510970673.4A CN105421223B (en) | 2015-12-21 | 2015-12-21 | Precast pier column and cushion cap socket joint and slot combined connecting structure and assembling method |
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| CN105421223A true CN105421223A (en) | 2016-03-23 |
| CN105421223B CN105421223B (en) | 2017-06-20 |
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Cited By (17)
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| CN106400678A (en) * | 2016-11-10 | 2017-02-15 | 济南轨道交通集团有限公司 | Prefabricated column, pier column structure and construction method |
| CN106758790A (en) * | 2017-02-06 | 2017-05-31 | 上海应用技术大学 | A kind of precast construction and construction method of bridge substructure construction |
| CN107327020A (en) * | 2017-07-06 | 2017-11-07 | 能诚集团有限公司 | A kind of concrete component attachment structure |
| CN107859248A (en) * | 2017-11-02 | 2018-03-30 | 湖南大学 | A kind of prefabricated concrete structure jointing and connection method |
| CN108086135A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of assembled steel tube constrains reinfored concrete line frame bridge pier |
| CN108086136A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of assembled solid steel tube constrains reinforced column squat pier |
| CN108086134A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of assembled hollow steel pipe constrains armored concrete pillar height pier |
| CN108086137A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of assembled solid steel tube constrains armored concrete pillar height pier |
| CN108086130A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled |
| CN108103925A (en) * | 2016-11-24 | 2018-06-01 | 重庆市中科大业建筑科技有限公司 | A kind of assembled hollow steel pipe constrains reinforced column squat pier |
| CN108547216A (en) * | 2018-06-12 | 2018-09-18 | 北京市市政工程设计研究总院有限公司 | Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame and construction method |
| CN109853363A (en) * | 2018-12-18 | 2019-06-07 | 中交第二公路勘察设计研究院有限公司 | Pipe pier and cushion cap connection structure and construction method |
| CN110629664A (en) * | 2019-10-24 | 2019-12-31 | 北京市市政工程设计研究总院有限公司 | Prefabricated assembled UHPC lattice type bridge pier column structure and construction method thereof |
| CN110863427A (en) * | 2019-12-24 | 2020-03-06 | 广州市市政集团有限公司 | Connecting structure for assembled bridge pier column and bearing platform and construction method thereof |
| CN110886202A (en) * | 2019-11-26 | 2020-03-17 | 北京工业大学 | Socket joint type node connection structure and construction method for prefabricated reinforced concrete hollow pier |
| CN112502030A (en) * | 2020-11-04 | 2021-03-16 | 安徽省交通规划设计研究总院股份有限公司 | Prefabricated assembled bridge substructure slot-in type and socket joint formula built-up connection structure |
| CN113668369A (en) * | 2021-09-13 | 2021-11-19 | 江南大学 | Socket type connection structure of prefabricated segment reinforced concrete pier and manufacturing method |
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| CN106400678A (en) * | 2016-11-10 | 2017-02-15 | 济南轨道交通集团有限公司 | Prefabricated column, pier column structure and construction method |
| CN108086135B (en) * | 2016-11-23 | 2023-10-13 | 重庆市中科大业建筑科技有限公司 | Assembled steel pipe constraint reinforced concrete bent bridge pier |
| CN108086134B (en) * | 2016-11-23 | 2024-01-23 | 重庆市中科大业建筑科技有限公司 | Assembled hollow steel pipe constraint reinforced concrete column high pier |
| CN108086136B (en) * | 2016-11-23 | 2023-10-27 | 重庆市中科大业建筑科技有限公司 | Assembled solid steel pipe constraint reinforced concrete column short pier |
| CN108086135A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of assembled steel tube constrains reinfored concrete line frame bridge pier |
| CN108086136A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of assembled solid steel tube constrains reinforced column squat pier |
| CN108086134A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of assembled hollow steel pipe constrains armored concrete pillar height pier |
| CN108086137A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of assembled solid steel tube constrains armored concrete pillar height pier |
| CN108086130A (en) * | 2016-11-23 | 2018-05-29 | 重庆市中科大业建筑科技有限公司 | A kind of T-shaped steel tube confinement reinforced concrete bridge pier beam-column connection of assembled |
| CN108086137B (en) * | 2016-11-23 | 2023-10-24 | 重庆市中科大业建筑科技有限公司 | Assembled solid steel pipe constraint reinforced concrete column high pier |
| CN108086130B (en) * | 2016-11-23 | 2023-10-13 | 重庆市中科大业建筑科技有限公司 | Assembled T-shaped steel pipe constraint reinforced concrete bridge pier beam column connection node |
| CN108103925B (en) * | 2016-11-24 | 2023-11-03 | 重庆市中科大业建筑科技有限公司 | Assembled hollow steel tube constraint reinforced concrete column short pier |
| CN108103925A (en) * | 2016-11-24 | 2018-06-01 | 重庆市中科大业建筑科技有限公司 | A kind of assembled hollow steel pipe constrains reinforced column squat pier |
| CN106758790A (en) * | 2017-02-06 | 2017-05-31 | 上海应用技术大学 | A kind of precast construction and construction method of bridge substructure construction |
| CN107327020A (en) * | 2017-07-06 | 2017-11-07 | 能诚集团有限公司 | A kind of concrete component attachment structure |
| CN107859248A (en) * | 2017-11-02 | 2018-03-30 | 湖南大学 | A kind of prefabricated concrete structure jointing and connection method |
| CN108547216A (en) * | 2018-06-12 | 2018-09-18 | 北京市市政工程设计研究总院有限公司 | Bridge prefabrication performance of concrete column confined and bridge foundation alligator bell and spigot frame and construction method |
| CN108547216B (en) * | 2018-06-12 | 2023-07-11 | 北京市市政工程设计研究总院有限公司 | Bridge precast concrete pier column and bridge foundation tooth key socket structure and construction method |
| CN109853363A (en) * | 2018-12-18 | 2019-06-07 | 中交第二公路勘察设计研究院有限公司 | Pipe pier and cushion cap connection structure and construction method |
| CN110629664A (en) * | 2019-10-24 | 2019-12-31 | 北京市市政工程设计研究总院有限公司 | Prefabricated assembled UHPC lattice type bridge pier column structure and construction method thereof |
| CN110886202A (en) * | 2019-11-26 | 2020-03-17 | 北京工业大学 | Socket joint type node connection structure and construction method for prefabricated reinforced concrete hollow pier |
| CN110863427A (en) * | 2019-12-24 | 2020-03-06 | 广州市市政集团有限公司 | Connecting structure for assembled bridge pier column and bearing platform and construction method thereof |
| CN112502030A (en) * | 2020-11-04 | 2021-03-16 | 安徽省交通规划设计研究总院股份有限公司 | Prefabricated assembled bridge substructure slot-in type and socket joint formula built-up connection structure |
| CN113668369A (en) * | 2021-09-13 | 2021-11-19 | 江南大学 | Socket type connection structure of prefabricated segment reinforced concrete pier and manufacturing method |
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