CN101613995B - Psc bridge pier assembled with precast concrete segments having steel duct and steel pipe, and constructing method thereof - Google Patents
Psc bridge pier assembled with precast concrete segments having steel duct and steel pipe, and constructing method thereof Download PDFInfo
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- CN101613995B CN101613995B CN2008101444273A CN200810144427A CN101613995B CN 101613995 B CN101613995 B CN 101613995B CN 2008101444273 A CN2008101444273 A CN 2008101444273A CN 200810144427 A CN200810144427 A CN 200810144427A CN 101613995 B CN101613995 B CN 101613995B
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- building block
- steel
- steel pipe
- precast concrete
- reinforced concrete
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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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- 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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
- E01D2101/285—Composite prestressed concrete-metal
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a reinforced concrete pier assembled with precast concrete segment with steel delivery tube and steel tube and a construction method thereof, wherein the method includes: a construction engineering of the pier foundation, an insertion engineering of steel tube for supporting steel wire, the first accumulation engineering, the second accumulation engineering, a top forming engineering as well as a fixing engineering. According to the invention, an frontend connection material using short steel delivery tube is partly equipped on the pier foundation and the building block, thereby preventing rise of labour hour cost, simply connecting building block and the pier foundation for preventing break of the frontend part. Moreover for the independence of steel wire, a steel tube for supporting steel wire is inserted between the steel tube and the pipe, thereby causing the steel wire to be erected while accumulating building block by the steel tube for supporting steel wire and improving construction property.
Description
Technical field
The present invention relates to use the reinforced concrete knoll and the job practices thereof of precast concrete segment assembling with steel conduit and steel pipe, more particularly, relate to reinforced concrete knoll and job practices thereof with precast concrete segment assembling with steel conduit and steel pipe, wherein, be provided with the front end connection material that adopts short and small steel conduit at pier foundation and building block top, be provided with the slot that is connected that adopts short and small steel conduit on building block and top, top, and steel pipe be inserted between pipeline and the steel wire for steel wire is independent.
Background technology
In general, carry out concrete pouring at the scene, can prolong the engineering time of bridge, and cause environmental problem, and corresponding common people's complaint.Thereby recently, this job practices reduces gradually, and the rapid constructing method that the employing building block of shaping is in advance assembled is at the scene embarked on journey gradually.
Above-mentioned rapid constructing method not only can shorten the integral construction time of bridge, but also can make the environmental problem and the common people complain that problem at utmost must reduce, and this rapid constructing method need use Large-Scale Equipment, therefore helps the mechanized construction environment.
When this building block of assembling, the discontinuous section between comprehensive joint block need be provided with the front end key and realize mechanical connection, cuts off resistance with performance.If precast concrete segment when making building block, is arranged on this front end key one side of building block with the jut shape.But when building block one side was made the projected front ends key, because of trifling not noting, the front end key was fractureed easily in the process that breaks away from mould.Particularly, the big or small less of front end key and length when longer, the front end key is easier in the manufacture process of building block is fractureed.And the front end key at mould forms part fill concrete fully, and therefore when breaking away from mould, the front end key of building block usually is not desired shape.
In addition, when adjacent building block is provided with key continuously, on discontinuous between the building block, might occur leaking.Between the building block discontinuous promptly in the setting up procedure of key, can cause the corrosion of key the leaking of mating face of building block, and this causes the damage of key, thereby makes works collapse occur.Then, when assembling building block continuously, be corroded, need to adopt extra any special measures in order to prevent the key that in building block, is provided with continuously.
In order to address this is that, the granted patent by the applicant's application is arranged, registration number is 10-0738999 (has the precast concrete segment of the package assembly of utilizing the steel conduit and assemble structure).
As shown in Figure 1, in having the precast concrete segment 10 (being designated hereinafter simply as building block) of the package assembly of utilizing above-mentioned steel conduit,, with the breakthrough status landfill steel conduit is arranged along the mounting direction of building block 10 for front end connects.Above-mentioned steel conduit is made of the steel pipe that is used for support cylinder shape steel wire, and the key that can import pulling force in building block 10 connects the inside be arranged on above-mentioned steel conduit 20.
As shown in the figure, in above-mentioned steel conduit 20, its lower end part is below above-mentioned building block 10 and not to exterior protrusions, and the upper end of above-mentioned steel conduit 20 is positioned at the top of above-mentioned building block 10 and becomes projection.As mentioned below, the upper end of above-mentioned steel conduit 20 to exterior protrusions when assembling between adjacent building block, is inserted in below adjacent building block 10, i.e. the bottom of the steel conduit 20 that landfill is provided with in adjacent building block 10.Between this adjacent mutually building block 10, for above-mentioned steel conduit 20 easily is inserted into, the bottom of above-mentioned steel conduit 20 is formed by the expansion tube department 21 that diameter is exaggerated, and along with the formation of expansion tube department 21, the upper end of above-mentioned steel conduit 20 is formed by the cone-shaped draw portion 23 that diameter is reduced gradually.
But, owing to form draw portion, form expansion tube department, so the length of the length of building block steel conduit when elongated is also elongated, thereby has increased cost at the other end at an end of steel conduit.
In addition, be inserted with the pipeline of the total length steel wire identical with pier in the pier foundation setting after, when piling up building block, bending can appear in steel wire, and the become problem of difficulty of the accumulation that building block therefore occurs.
In addition, when the building block that will be used for the spheroid pier was connected with pier foundation, pier foundation did not have additionally to form the leading section that is connected with building block, so is not easy connection between building block and the pier foundation, thereby has the easy ruined problem of front end at junction surface.
Summary of the invention
The present invention is in order to solve the above problems, reinforced concrete knoll and job practices thereof with the precast concrete segment assembling with steel conduit and steel pipe are provided, utilize the front end of short and small steel conduit to be connected material by being provided with on pier foundation and building block top, be provided with the slot that is connected that utilizes short and small steel conduit on building block and top, top, prevented the increase of cost, simplified the connection between building block and the pier foundation, and prevented that the junction surface is destroyed.
In addition, reinforced concrete knoll and job practices thereof with the precast concrete segment assembling with steel conduit and steel pipe also are provided, by between steel wire and pipeline, inserting the steel pipe that is used to support steel wire independence, when piling up building block, make steel wire upright by the steel pipe that is used to support steel wire, thereby improved the feasibility of construction.
In addition, reinforced concrete knoll and job practices thereof with the precast concrete segment assembling with steel conduit and steel pipe also are provided, make the angle of pier foundation and building block be able to chamfering, and between building block, carry out waterproof by adhere to fluid sealant at this, make it have aesthetical perception by on fluid sealant, adding color simultaneously.
The job practices of reinforced concrete knoll of the present invention to achieve these goals comprises:
The construction works of pier foundation, wherein, the construction pier foundation is formed with a plurality of bases pipeline, prolong formation in the same manner and be inserted in the described basic steel wire of using in the pipeline with the length of pier, projection forms and can connect described steel wire and be used for a plurality of front ends connection materials that front end connects upward;
Be used to support the insertion engineering of the steel pipe of steel wire, wherein, insertion is provided with the length steel pipe that be used to support steel wire identical with described steel wire between the described basis of inserting on the described pier foundation is with pipeline and described steel wire;
First piles up engineering, wherein, there are a plurality of front ends to connect materials and connect slot in each of the precast concrete segment of having made that is connected the corresponding bottom surface of material with this front end and has a plurality of connection slots and be bonded on correspondingly on each front end connection material that is positioned at above the described pier foundation in the above, and described building block is deposited in above the described pier foundation;
Second piles up engineering, and wherein, each that each front end of described building block is connected material and adjacent building block is connected slot and engages one to one, and multilayer is piled in building block;
Engineering is formed on the top, wherein, and the top formation top of building block topmost; And
Fixing engineering, wherein, remove described be used to support the steel pipe of steel wire after, strain described steel wire and fixing.
Wherein, on described pier foundation, be formed with the building block groove, on this groove, insert the valve rubber that is provided for the level of keeping and fills nothing contraction plaster.
Wherein, described groove is cracked (Chipping), and making does not have the plaster of contraction and adhere to easily.
Wherein, described building block is corresponding one by one with pipeline with the basis, the steel pipe perforation that makes described steel wire and be used to support steel wire, and have the building block pipeline that prolongs to the upper end that connects slot from the lower end of front end connection material.
Wherein, described building block is in the bottom surface corner of the top building block, and the top and bottom surface of the building block adjacent with building block topmost with building block bottom is formed with chamfered section, is attached with fluid sealant on the described chamfered section.
Wherein, described building block connects on the lateral surface of material at interval and is formed with the seal groove of ring-type at described front end, and the sealing groove is provided with the sealing valve rubber.
Wherein, described sealing contacts the bottom surface of described connection slot in the above with valve rubber.
Wherein, the described steel pipe that is used to support steel wire is used to supporting steel pipe and fixes with reinforcing bar on described pier foundation, and is removed when piling up described building block.
Wherein, described top is cast-in-site or prefabricated on building block topmost, and is deposited in above the building block topmost.
Wherein, described top is connected the material connection slot of position insertion one to one and forms with front end in the bottom surface of described building block.
Wherein, described top is corresponding one by one with pipeline with described building block, and the steel pipe that makes described steel wire and being used to support steel wire connects, and has from front end and connect the top pipeline that the lower end of material prolongs to the upper end that connects slot.
Wherein, it is the open drums in top and bottom that described front end connects material, perhaps open for top and bottom and cone-shaped that narrow lower end, upper end broadens gradually.
Wherein, described connection slot is the drum of last face closure and open underneath, and top middle part has and is used to connect described basis with pipeline or the building block through hole with pipeline.
Wherein, described front end connects material and is connected slot keeps gapped (Gap) when engaging, and this gap is connected material and connects the inner filling nothing of slot contraction plaster with front end.
Wherein, pile up in the engineering, on described building block, behind the coating cement, adjacent building block is piled up described second.
Another feature of the present invention is: have the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe according to described usefulness, assembly apparatus has the reinforced concrete knoll of the precast concrete segment assembling of steel conduit and steel pipe.
As mentioned above, usefulness of the present invention has the reinforced concrete knoll and the job practices thereof of the precast concrete segment composition of steel conduit and steel pipe, utilize the front end of short and small steel conduit to be connected material by being provided with on pier foundation and building block top, prevented the rising of cost, simplified the connection between building block and the pier foundation, prevented that the junction surface is destroyed comprehensively.
In addition, the present invention is inserted with the steel pipe that is used to support steel wire for the independence of steel wire between steel pipe and the pipeline, thereby makes steel wire upright by the steel pipe that is used to support steel wire when piling up building block, thereby has improved the feasibility of construction, has shortened the engineering time.
In addition, the angle of chamfering pier foundation of the present invention and building block, and adhere to fluid sealant at this, thus between building block, carry out waterproof, and add color at fluid sealant, make it have aesthetical perception.
Description of drawings
Fig. 1 is existing block structure schematic perspective view with package assembly of utilizing the steel conduit;
Fig. 2 has the structural upright schematic diagram of the pier foundation in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the plan view of Fig. 2;
Fig. 5 has the structural upright schematic diagram of building block in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention;
Fig. 6 has the bottom surface schematic perspective view of building block in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention;
Fig. 7 is the B-B sectional view of Fig. 6;
Fig. 8 has the side cross-sectional view at top in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention;
Fig. 9 a and Fig. 9 b are the structural upright schematic diagram that front end is connected material in the reinforced concrete knoll of the precast concrete segment assembling of usefulness of the present invention with steel conduit and steel pipe;
Figure 10 has the structural upright schematic diagram that is connected slot in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention;
Figure 11 has the schematic cross-section of reinforced concrete knoll of the precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention.
Figure 12 has the simple and easy schematic diagram of job practices of reinforced concrete knoll of the precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention;
Figure 13 a-Figure 13 g is the job practices schematic diagram of the reinforced concrete knoll of the precast concrete segment assembling of usefulness of the present invention with steel conduit and steel pipe.
Description of reference numerals
110: pier foundation 120: building block
130: top 201: steel wire
203: front end connects material 205: connect slot
207: the steel pipe that is used to support steel wire
The specific embodiment
Below, describe the structure of reinforced concrete knoll that usefulness of the present invention has the precast concrete segment assembling of steel conduit and steel pipe in detail by accompanying drawing.
Hereinafter, when explanation is of the present invention, in the time of might obscuring aim of the present invention for specifying of relevant known function or formation, will omits it and explain.The term of considering the function among the present invention and defining, therefore according to user or intention of using or convention etc., might be different.Therefore, it is defined as the definition based on the whole content of this manual.
Fig. 2 has the structural upright schematic diagram of the pier foundation in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention; Fig. 3 is the A-A sectional view of Fig. 2; Fig. 4 is the plan view of Fig. 2; Fig. 5 has the structural upright schematic diagram of building block in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention; Fig. 6 has the bottom surface schematic perspective view of building block in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention; Fig. 7 is the B-B sectional view of Fig. 6; Fig. 8 has the side cross-sectional view at top in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention; Fig. 9 a and Fig. 9 b are the structural upright schematic diagram that front end is connected material in the reinforced concrete knoll of the precast concrete segment assembling of usefulness of the present invention with steel conduit and steel pipe; Figure 10 has the structural upright schematic diagram that is connected slot in the reinforced concrete knoll of precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention; Figure 11 has the schematic cross-section of reinforced concrete knoll of the precast concrete segment assembling of steel conduit and steel pipe for usefulness of the present invention.
To shown in Figure 11, pier foundation 110 is poured into a mould at the scene as Fig. 2, and the upper end is inserted with and is used for a plurality of front ends connection materials 203 that front end connects, thereby front end connects material 203 to upper process.
In addition, pier foundation 110 has a plurality of basis with pipeline 111 be inserted in pipeline 111 and identical with the length of the pier steel wire 201 of basic usefulness.On the interior outside of front end connection material 203, be formed with building block groove 113, do not have to shrink that plaster adheres to easily and with the case crushing (Chipping) of groove 113 in order to make, prevent to leak in order to keep level and to fill nothing contraction plaster, insert again at groove 113 valve rubber 115 is set.At this moment, be connected with the fixing port 202 that is used for fixing steel wire 201 on the basis with an end of pipeline 111.
In addition, for the top angle that prevents pier foundation 110 damage of facilities that is pressed, preferably to form chamfered section 117.
In addition, after the maintenance of pier foundation 110 finishes, between the basis is with pipeline 111 and steel wire 201, insert and have the steel pipe 207 that is used to support steel wire of equal length, and be used to support that the steel pipe 207 of steel wire is supported fixes with reinforcing bars 119.
To shown in Figure 7, building block 120 is the lineal hexahedral or the cylindrical shape of solid or hollow as Fig. 5, has a plurality of front ends above and connects material 203, and have a plurality of connection slots 205 on the bottom surface corresponding with it.
And with corresponding one by one, the steel pipe 207 that makes steel wire 201 and being used to support steel wire connects with pipeline 111 for building block 120 and basis, and has from front end and connect the building block pipeline 121 that lower end to the upper end that connects slot 205 of material 203 prolongs.
In addition, be formed with chamfered section 123 on the angle of building block 120, be combined with fluid sealant 125 on the chamfered section 123, the lateral surface that connects material 203 at front end separates the seal groove 127 that is formed with ring-type at a certain distance, in seal groove 127, be provided with sealing with valve rubber 129, and sealing is with the top of valve rubber 129 and the bottom surface contact that is connected slot 205.At this moment, replace fluid sealant 125 with cast plaster.
As shown in Figs. 8 to 11, top 130 be on building block topmost cast-in-site or prefabricated after on building block topmost, pile up and form.
In addition, the bottom surface at top 130 is connected material 203 at the front end with building block 120 and inserts connection slot 205 in the position one to one, corresponding one by one with building block with pipeline 121, thereby make steel wire 201 and steel pipe 207 perforations that are used to support steel wire, and have from front end connection material 203 to connecting the top pipeline 131 that slot 205 upper ends prolong.
In addition, shown in Fig. 9 a, the front end that forms in pier foundation 110 and building block 120 of the present invention is connected material 203, is the drum of the top and bottom opening of steel.Here, shown in Fig. 9 b, front end connect material 203 can be for top and bottom open and cone-shaped that narrow lower end, upper end broadens gradually.
And, as shown in figure 10, on building block 120 and top 130, form be connected slot 205 be on the drum of face closure and open underneath, and superincumbent middle part has the through hole 206 that the basis is connected with pipeline 121 with pipeline 111 or building block.
In addition, front end connects material 203 and keeps gapped G when slot 205 mutually combines with being connected, and connects material 203 and connect to fill in the slot 205 at clearance G, front end to have or not contraction plaster.
And, fill in pipeline 121 and top with pipeline 111 and building block on the basis and to have or not contraction plaster, thereby make that being positioned at inner steel wire 201 keeps pulling force with pipeline 131.
Below, with reference to accompanying drawing, explain the job practices that usefulness of the present invention has the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe.
Figure 12 assembles the simplification engineering drawing of the job practices of reinforced concrete knoll for the precast concrete segment that usefulness of the present invention has steel conduit and steel pipe.Figure 13 a to Figure 13 g is the engineering schematic diagram of the job practices of the precast concrete segment assembling reinforced concrete knoll of usefulness of the present invention with steel conduit and steel pipe.
At first, shown in Figure 13 a, at ground construction pier foundation 110, form a plurality of bases and prolong formation in the same manner and be inserted in the basic steel wire of using in the pipeline 111 201, and projection forms a plurality of front ends connection materials 203 (S110 step) that can connect steel wire and be used for the front end connection upward with pipeline 111 with pier length.At this moment, pier foundation 110 is pushed at ground surface by presses.
Then, shown in Figure 13 b, in pier foundation 110, insert the basis that is provided with and use between pipeline 111 and the steel wire 201, insert the steel pipe 207 that is used to support steel wire (S120 step) that has equal length with steel wire 201.At this moment, preferably, the steel pipe 207 that will be used to support steel wire is fixed with reinforcing bar 119 by supporting.
Then, shown in Figure 13 c, with the building block 120 of making be deposited in pier foundation 110 above, in order to keep level on groove 113 in the building block of pier foundation 110, placing under the state of valve rubber 115, the connection slot 205 of building block 120 is being connected material 203 be bonded with each other correspondingly (S130 step) with the front end of pier foundation 110.At this moment, steel wire 201 supports the steel pipe 207 of steel wire by the building block of building block 120 pipeline 121 perforation building blocks 120 with being used to.In addition, by the space between the valve rubber 115, building block is filled with groove 113 does not have the plaster of contraction.
Shown in Figure 13 d, the building block 120 that is made into the height of design in this state again be deposited in successively pier foundation 110 the top building block of having piled up 120 above, and will connect slot 205 and be connected material 203 be bonded with each other correspondingly (S140 step) with front end.At this moment, will support with reinforcing bar 119 from being used to support steel pipe 207 removals of steel wire, accumulation building block 120.In addition, the coated on bottom side of the top and adjacent block 120 of building block 120 is furnished with epoxy resin, and it is bonded with each other.
Then, shown in Figure 13 e, on building block topmost cast-in-site top 130 or prefabricated top 130 is deposited in building block topmost above, make front end connection material 203 and be connected slot 205 mutually combine (S150 step).At this moment, discharge steel wire 201 and the steel pipe 207 that is used to support steel wire by the top with pipeline 131.
Then, shown in Figure 13 f, pull out and be used to support after the steel pipe 207 of steel wire, with steel wire 201 tensions and fixing (S160 step).Fixedly the method for steel wire 201 is generally in the top and is connected tension with fixing port 202, fills plaster to the basis with the inside of pipeline 111 by the fixing port 202 of pier foundation 110, fills plaster with pipeline 121 and top with the total length direction of pipeline 131 to building block.
And, connect material 203 and be connected the slot 205 inner nothing contraction plaster of filling at front end.At this moment, can not discharge by making nothing shrink plaster with valve rubber 129 to the outside with the sealing that is connected the contact of slot 205 bottom surfaces.
In addition, shown in Figure 13 g, after pier construction is finished, between building block 120 and the adjacent building block 120, promptly on chamfered section 123, adhere to the fluid sealant 125 different with concrete color, and sealing.At this moment, also can come replacement seal glue 125 by cast plaster, fluid sealant 125 can be attached when piling up building block 120.
The present invention can change in a variety of forms, and can take variform, and has only enumerated its corresponding certain embodiments in the specific embodiment of foregoing invention.But the specific embodiment of mentioning in the specific embodiments of the invention is not a limitation of the present invention, and scope of the present invention should be by the spirit that defines in claims and all changes form and the equivalent in the scope thereof.
Claims (16)
1. job practices with the precast concrete segment assembling reinforced concrete knoll with steel conduit and steel pipe is characterized in that this method comprises:
The construction works of pier foundation, wherein, the construction pier foundation is formed with a plurality of bases pipeline, prolong formation in the same manner and be inserted in the described basic steel wire of using in the pipeline with the length of pier, projection forms and can connect described steel wire and be used for a plurality of front ends connection materials that front end connects upward;
Be used to support the insertion engineering of the steel pipe of steel wire, wherein, between the described basis of inserting on the described pier foundation is with pipeline and described steel wire, inserts the length steel pipe that be used to support steel wire identical with described steel wire is set;
First piles up engineering, wherein, on described pier foundation, there are a plurality of front ends to connect material, described building block is for connecting the building block of having made that there are a plurality of connection slots the corresponding bottom surface of material with described front end, each of described building block connects slot and is bonded on correspondingly on each the top front end connection material that is positioned at described pier foundation, and described building block is deposited in above the described pier foundation;
Second piles up engineering, and wherein, each that each front end of described building block is connected material and adjacent building block is connected slot and is bonded with each other correspondingly, and multilayer is piled in building block;
Engineering is formed on the top, wherein, and the top formation top of building block topmost; And
Fixing engineering, wherein, remove described be used to support the steel pipe of steel wire after, strain described steel wire and fixing.
2. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, on described pier foundation, form the building block groove, on described groove, insert the valve rubber that is provided for the level of keeping and fills nothing contraction plaster.
3. usefulness according to claim 2 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that the surface of described groove is cracked, does not have the plaster of contraction thereby adhere to easily.
4. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, described building block is corresponding correspondingly with pipeline with described basis, the steel pipe that makes described steel wire and being used to support steel wire connects, and has from front end and connect the building block pipeline that the lower end of material prolongs to the upper end that connects slot.
5. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, described building block on the bottom surface corner of the top building block, the building block adjacent with building block topmost with building block bottom and the bottom surface be formed with chamfered section, be attached with fluid sealant on this chamfered section.
6. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, described building block connects on the lateral surface of material at interval and is formed with the seal groove of ring-type at described front end, described seal groove is provided with the sealing valve rubber.
7. usefulness according to claim 6 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that described sealing contacts the bottom surface of described connection slot in the above with valve rubber.
8. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, the described steel pipe that is used to support steel wire is fixed with reinforcing bar by supporting on described pier foundation, and described steel pipe is removed when piling up described building block.
9. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, described top, cast-in-site or prefabricated on building block topmost, and be deposited in above the building block topmost.
10. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that described top is to be connected material position insertion one to one connection slot with the front end of described building block by the bottom surface at this top to form.
11. usefulness according to claim 4 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, described top is corresponding one by one with pipeline with described building block, the steel pipe that makes described steel wire and being used to support steel wire connects, and has from front end and connect the top pipeline that the lower end of material prolongs to the upper end that connects slot.
12. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, it is the open drums in top and bottom that described front end connects material, perhaps open for top and bottom and cone-shaped that narrow lower end, upper end broadens gradually.
13. usefulness according to claim 11 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, described connection slot is the drum of last face closure and open underneath, and top middle part has and is used to connect described basis with pipeline or the building block through hole with pipeline.
14. have the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe according to claim 12 or 13 described usefulness, it is characterized in that, described front end connects material and is connected slot to be kept gappedly when engaging, and this gap is connected material and connects the inner filling nothing of slot contraction plaster with front end.
15. usefulness according to claim 1 has the job practices of the precast concrete segment assembling reinforced concrete knoll of steel conduit and steel pipe, it is characterized in that, pile up in the engineering described second, on described building block, behind the coating cement, adjacent building block is piled up.
16. the usefulness of the job practices assembling of a precast concrete segment assembling reinforced concrete knoll that has steel conduit and steel pipe according to the described usefulness of claim 1 has the reinforced concrete knoll of the precast concrete segment assembling of steel conduit and steel pipe.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2008-0059383 | 2008-06-24 | ||
| KR1020080059383 | 2008-06-24 | ||
| KR1020080059383A KR101039656B1 (en) | 2008-06-24 | 2008-06-24 | Psc bridge pier assembled with precast concrete segments having steel duct and steel pipe, and constructing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101613995A CN101613995A (en) | 2009-12-30 |
| CN101613995B true CN101613995B (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101444273A Expired - Fee Related CN101613995B (en) | 2008-06-24 | 2008-07-31 | Psc bridge pier assembled with precast concrete segments having steel duct and steel pipe, and constructing method thereof |
Country Status (2)
| Country | Link |
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| KR (1) | KR101039656B1 (en) |
| CN (1) | CN101613995B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101029042B1 (en) * | 2008-07-21 | 2011-04-15 | 지에스건설 주식회사 | Precasr pier unit using sheath and pier construction method therewith |
| KR101010540B1 (en) * | 2008-07-21 | 2011-01-25 | 지에스건설 주식회사 | Half-precast coping construction method |
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| CN110886204B (en) * | 2019-11-29 | 2021-03-16 | 重庆交通大学 | Prefabricated segment pier of assembled |
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| CN112176886B (en) * | 2020-11-16 | 2022-03-22 | 山东高速建设管理集团有限公司 | Double-steel sleeve socket connection structure of prefabricated bridge pier and construction method thereof |
| CN113699876A (en) * | 2021-09-24 | 2021-11-26 | 江苏瑞沃建设集团有限公司 | Pier is assembled in prefabricated of segment of vertical continuous band tenon fourth of twelve earthly branches structure |
| KR102580530B1 (en) | 2021-11-30 | 2023-09-22 | 한국철도기술연구원 | Bridge lower structure of assembly type having elastic duct coupler of socket type, and construction method for the same |
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| CN1916325A (en) * | 2005-08-16 | 2007-02-21 | 株式会社大宇建设 | Prefabricated segmental concrete filled tube member, and fabrication structure and method using the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101613995A (en) | 2009-12-30 |
| KR101039656B1 (en) | 2011-06-08 |
| KR20080065571A (en) | 2008-07-14 |
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