CN205630974U - Pre -tensioning system precast beam pedestal - Google Patents
Pre -tensioning system precast beam pedestal Download PDFInfo
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- CN205630974U CN205630974U CN201620492213.5U CN201620492213U CN205630974U CN 205630974 U CN205630974 U CN 205630974U CN 201620492213 U CN201620492213 U CN 201620492213U CN 205630974 U CN205630974 U CN 205630974U
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Abstract
The utility model relates to a precast beam construction technical field, concretely relates to pre -tensioning system precast beam pedestal, including rectangular shaped plate bottom plate and transmission column, transmission column parallel arrangement is in the bottom plate both sides, and stiff end gooseneck and stretch -draw end gooseneck have been arranged respectively to the transmission column both ends, be connected with the tensioning equipment on the stretch -draw end gooseneck, arranged steel strand wires between stiff end gooseneck and the stretch -draw end gooseneck, when the tensioning equipment carries out stretch -draw to steel strand wires, steel strand wires and stretch -draw end gooseneck relative movement for the stiff end gooseneck is drawn to paste tightly in the transmission column tip, and simultaneous tension end gooseneck is overlayed tightly in transmission column's the other end. This pre -tensioning system precast beam pedestal has overcome the structure complicacy of traditional pedestal existence, extravagant material, extravagant manual work and has makeed shortcoming long in time limit through the structural style of change pedestal, makes its simple structure, has practiced thrift the cost by a wide margin, has promoted the construction progress.
Description
Technical field
This utility model relates to precast beam technical field of construction, particularly a kind of pre-tensioning system precast beam pedestal.
Background technology
Pre-tensioning system is to improve the cracking resistance of reinforced concrete member and avoiding reinforced concrete member to occur crack too early, and in concrete component prefabrication process, it is previously applied stress to improve a kind of method of component performance.Generally before placing concrete, the manufacture method of tension reinforcing steel bar is also referred to as pre-tensioning system, and it plays an important role in engineering construction.
When producing precast beam, use the technology mode of pretensioned prestressing to improving girder construction and performance has bigger effect, first before casting concrete, steel strand wires are fixed in stretch-draw, and by the fixing steel strand wires anchoring temporarily of stretch-draw on pedestal or punching block, then casting concrete, treat that concrete strength reaches concrete design strength value, ensure when steel strand wires and concrete have enough bondings, loosen steel strand wires, by means of the bonding of concrete Yu steel strand wires, the work progress to concrete Shi Hanzhang.
Pedestal pre-tensioning system beam body produce in be main load-carrying member, it must have enough bearing capacity, rigidity and stability, so as not to because of the deformation of pedestal, topple and sliding and cause prestressed loss, with guarantee pre-tensioning system produce component quality.In prior art, existing pre-tensioning system precast beam pedestal structure is piling strtucture.As depicted in figs. 1 and 2, pedestal is made up of base plate 1 and bearing reaction wall 10, stretch-drawing beam 9 it is provided with inside bearing reaction wall 10, when stretch-draw, steel strand wires 3 are anchored on two ends stretch-drawing beam 9, and stretch-drawing beam 9 and is connected through bearing reaction wall 10 with tensioning equipment by traction rod iron 8, and tensioning equipment relies on bearing reaction wall 10 that stretch-drawing beam 9 is applied pulling force, then completing stretch-draw, tensioning equipment generally uses jack 7.Base plate 1 and bearing reaction wall are provided with pile foundation 11 for 10 times, and base plate 1 is also equipped with beam forms, after completing the stretch-draw to steel strand wires by pedestal, and casting concrete on beam forms, thus form the pre-tensioning system precast beam of desired structure shape.The pedestal of this traditional form is reinforced concrete structure, and for the piling strtucture carrying out pouring after using piling below the base plate of pedestal, the lower section of bearing reaction wall is provided with pile foundation also by the mode of piling, the pile foundation stretching into underground is connected with baseplate reinforcing bar concrete plank frame, forms monolithic construction.Owing to base plate and the reaction of bearing wall arranged beneath of this pedestal have pile foundation, manufacturing process is more complicated, during making pedestal, needing through multistep operation, the construction period is longer, affects construction speed the most on the whole, and to being also manually waste greatly, simultaneously because the complicated structure of stretching bed seat, the material of consumption is more, and construction building materials industry is caused bigger waste.
Utility model content
Goal of the invention of the present utility model is that the structure existing for the beam making bench used in prior art is complicated, waste the shortcoming that material, lost labor and making are long in time limit in order to overcome, a kind of pre-tensioning system precast beam pedestal is provided, this pre-tensioning system precast beam pedestal is by changing self structure, make its structure simpler, also reduce material and artificial consumption, cost-effective, accelerating construction progress are created bigger effect.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of pre-tensioning system precast beam pedestal, including rectangular slab base plate and force-transmitting pole, described force-transmitting pole is arranged in parallel in base plate both sides, force-transmitting pole two ends are respectively disposed with fixing end gooseneck and stretching end gooseneck, connect on described stretching end gooseneck and have tensioning equipment, it is disposed with steel strand wires between fixing end gooseneck and stretching end gooseneck, described steel strand wires one end is fixed with fixing end gooseneck, the other end is connected through stretching end gooseneck with tensioning equipment, when tensioning equipment carries out stretch-draw to steel strand wires, described steel strand wires and stretching end gooseneck relative movement, fixing end gooseneck tension is made to be closely attached on force-transmitting pole end, simultaneous tension end gooseneck pressurized is closely attached on the other end of force-transmitting pole.
The base plate of pedestal is rectangular slab, and in the longitudinal direction, the both sides of base plate are all disposed with force-transmitting pole, and force-transmitting pole is bar, uses the pedestal of this structure, relies on force-transmitting pole to bear tension stress, makes pedestal can bear bigger deformation, it is ensured that construction safety.The fixing end gooseneck arranged at the two ends of force-transmitting pole and stretching end gooseneck, stretching end gooseneck connects tensioning equipment, by tensioning equipment, steel strand wires are carried out stretch-draw, fixing end gooseneck tension is made to be closely attached on force-transmitting pole end, simultaneous tension end gooseneck pressurized is closely attached on the other end of force-transmitting pole, ensure that integrally-built security and stability, tensioning equipment continues steel strand wires are carried out stretch-draw, makes steel strand tension reach to design requirement.Described base plate is for supporting the miscellaneous part of pre-tensioning system precast beam pedestal, simultaneously, force-transmitting pole is arranged in the both sides on the long limit of base plate, intermediate formation bathtub construction, for mounting rail template, beam forms is mainly used in pouring work during beam processed, after completing steel strand tension, just can carry out concreting by beam forms.This pre-tensioning system precast beam pedestal arranges force-transmitting pole by the both sides at base plate, tensioning equipment by being installed on stretching end gooseneck reaches stretch-draw purpose again, when stretch-draw, relies on the gooseneck at force-transmitting pole two ends to compress with force-transmitting pole, make force-transmitting pole bear tension stress, reach stretch-draw purpose.Owing to not using piling strtucture, the simple in construction of pedestal, it is simple to operation, in the case of making stretching bed seat fully meet industry standard in terms of safety and deformation, not only reduce working procedure, accelerate construction speed, and saved substantial amounts of cost at material, artificial aspect.
As preferred version of the present utility model, described stretching end gooseneck includes that stretching end fixes gooseneck and stretching end movable steel crossbeam, stretching end fixes gooseneck and stretching end movable steel crossbeam is rectangular structure, the two is connected by tensioning equipment, described stretching end is fixed gooseneck and is arranged in force-transmitting pole end, stretching end movable steel crossbeam is arranged in the neutral gear between force-transmitting pole, and described stretching end fixes gooseneck and stretching end movable steel crossbeam is arranged in parallel, and all vertical with force-transmitting pole.
Stretching end is provided with fixing gooseneck and movable steel crossbeam, fixing gooseneck is installed vertically on force-transmitting pole end, movable steel beam vertical is arranged in the neutral gear between force-transmitting pole, fix and be connected by tensioning equipment between gooseneck with movable steel crossbeam, when tensioning equipment works, fixing gooseneck is by being pressed in force-transmitting pole end face after the pressure of tensioning equipment, force-transmitting pole is made to become main stressed member, tensioning equipment continues movable steel crossbeam is carried out stretch-draw, movable steel crossbeam is close to fixing gooseneck, makes the steel strand wires being connected on movable steel crossbeam reach stretch-draw.Force-transmitting pole becomes main stressed member, and makes force-transmitting pole in whole axis direction stress, it is ensured that safety, it is to avoid deform.Simultaneously, the main purpose of the movable steel crossbeam arranged is, it is easy to when stretch-draw realize substep stretch-draw, simultaneous tension, first the steel strand wires connected movable steel crossbeam carry out stretch-draw, owing to being connected by tensioning equipment between fixing gooseneck with movable steel crossbeam, after making fixing gooseneck be pressed on force-transmitting pole end, pull movable steel crossbeam by fixing gooseneck, make steel strand wires simultaneous tension, thus achieve substep stretch-draw and simultaneous tension.
As preferred version of the present utility model, described fixing end gooseneck is rectangular structure, is arranged in the end of force-transmitting pole, and described fixing end gooseneck is vertical with force-transmitting pole, and its length is more than the spacing between force-transmitting pole.When tension steel strand, fixing end gooseneck is connected to steel strand wires and is fixed on the other end of pedestal, fixing end floor beam tension passes to force-transmitting pole, the length of fixing end gooseneck is more than the spacing between force-transmitting pole, force-transmitting pole becomes main stressed member, and make force-transmitting pole in whole axis direction stress, it is ensured that safety, it is to avoid deform.
As preferred version of the present utility model, described tensioning equipment is jack, is installed on stretching end and fixes outside gooseneck, and stretching end is fixed and connected by traction rod iron between gooseneck and stretching end movable steel crossbeam, and described traction rod iron is connected on jack.Use centre-hole jack, centre-hole jack is mainly used in group anchor integral tension, use centre-hole jack, simple to operate, reliability is stronger, and can at utmost save steel strand wires, use traction rod iron to be connected through gooseneck with jack simultaneously, make traction rod iron when transmitting stretching force, more safe and reliable, will not break etc. dangerous, traction rod iron can also realize the fixing gooseneck of stretching end and being rigidly connected of movable steel crossbeam, by the connection of traction rod iron with jack, make to fix stretch-draw between gooseneck and movable steel crossbeam abundant.
As preferred version of the present utility model, the quantity of described jack is at least 2, and is evenly arranged in stretching end and fixes on gooseneck.The centre-hole jack of at least 2 it is evenly arranged at stretching end, make the distribution of stretching end tension more uniform, thus ensure that whole pedestal works under safety condition, simultaneously, the quantity of the steel strand wires according to arrangement, calculates pulling force size, draws the quantity of the centre-hole jack of demand, ensure that stretching force is enough, make the stretch-draw of steel strand wires measure design requirement.
As preferred version of the present utility model, the section configuration of described force-transmitting pole is rectangle.Using section configuration is the force-transmitting pole of rectangle, easier in manufacturing process, and it is also ensured that force-transmitting pole has enough resistance to compression, antidumping, non-deformability, meanwhile, when using pre-tensioning system precast beam pedestal to make beams of concrete, also allows for installation form.
As preferred version of the present utility model, described force-transmitting pole is symmetrically arranged in base plate both sides with base plate center line.Use 2 force-transmitting poles, be symmetrically arranged in the both sides of base plate, while ensureing that pedestal has enough pressure, antidumping, non-deformability, make material, the cost such as artificial minimum, meet and use requirement.
As preferred version of the present utility model, described force-transmitting pole both sides are also respectively provided with rectangle limit base plate, are used as the work platforms during beam processed.At force-transmitting pole, twice work platforms is set, makes the later stage when making beams of concrete, it is simple to operation, improve work efficiency.
As preferred version of the present utility model, described force-transmitting pole is arranged on base plate, and base plate, force-transmitting pole and limit base plate are integral type structure.Base plate, force-transmitting pole and limit base plate use integral structure, can disposably complete to pour, it is ensured that the resistance to compression of whole pedestal, antidumping, non-deformability after arranging embedded bar, and monolithic construction also has the effect reducing pedestal settling amount simultaneously.Primary concreting completes, and also has construction speed and improves a lot.
As preferred version of the present utility model, described base plate is provided with for placing and the strip footing of support beam template, and described strip footing is the concrete pier being arranged in the neutral gear between force-transmitting pole.Base plate is provided with strip footing, the concrete pier using rectangular structure is used for placing and support beam template as strip footing, consequently facilitating the pouring of later stage concrete, obtain the precast beam of corresponding construction, make the making progress of whole pedestal faster, lifting construction progress, reduction cost are had bigger help.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, employing arranges the pedestal of force-transmitting pole form on concrete floor, force-transmitting pole is made to become the stressed member in stretching process, this pre-tensioning system precast beam pedestal structure is simpler, in the case of satisfied design standard and use condition, considerably reduce material and artificial consumption, cost-effective, accelerating construction progress are created bigger effect, there is higher popularizing value；
2, stretching end and fixing end at pedestal use fixing gooseneck as being stressed directly part, the structure of gooseneck ensure that the safety of whole stretching process, meanwhile, fixing gooseneck is installed vertically on force-transmitting pole end, when steel strand wires are carried out stretch-draw, fixing gooseneck tension passes to force-transmitting pole, the length of fixing gooseneck is more than the spacing between force-transmitting pole, and force-transmitting pole becomes main stressed member, and makes force-transmitting pole in whole axis direction stress, guarantee safety, it is to avoid deform；
3, stretching end is provided with fixing gooseneck and movable steel crossbeam, fixing gooseneck is installed vertically on force-transmitting pole end, movable steel beam vertical is arranged in the neutral gear between force-transmitting pole, fix and be connected by tensioning equipment between gooseneck with movable steel crossbeam, it is easy to when stretch-draw realize substep stretch-draw, simultaneous tension, first the steel strand wires connected movable steel crossbeam carry out stretch-draw, owing to being connected by tensioning equipment between fixing gooseneck with movable steel crossbeam, after making fixing gooseneck be pressed on force-transmitting pole end, movable steel crossbeam is pulled by fixing gooseneck, make steel strand wires simultaneous tension, thus achieve substep stretch-draw and simultaneous tension；
4, base plate, force-transmitting pole and limit base plate use integral structure, can be after arranging embedded bar, disposably complete to pour, ensure the resistance to compression of whole pedestal, antidumping, non-deformability, monolithic construction also has the effect reducing pedestal settling amount simultaneously, primary concreting completes, and also has construction speed and improves a lot.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of existing pre-tensioning system precast beam pedestal.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of pre-tensioning system precast beam pedestal of the present utility model.
Labelling in figure: 1-base plate, 2-force-transmitting pole, 3-steel strand wires, 4-stretching end fixes gooseneck, and 5-stretching end movable steel crossbeam, 6-fixing end gooseneck, 7-jack, 8-draws rod iron, 9-stretch-drawing beam, 10-bearing reaction wall, 11-pile foundation.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
Embodiment 1
As shown in Figure 3, pre-tensioning system precast beam pedestal, including rectangular slab base plate 1 and force-transmitting pole 2, force-transmitting pole 2 is arranged in parallel in base plate 1 both sides, force-transmitting pole 2 two ends are respectively disposed with fixing end gooseneck 6 and stretching end gooseneck, connect on stretching end gooseneck and have tensioning equipment, it is disposed with steel strand wires 3 between fixing end gooseneck 6 and stretching end gooseneck, steel strand wires 3 one end is fixed with fixing end gooseneck 6, the other end is connected through stretching end gooseneck with tensioning equipment, when tensioning equipment carries out stretch-draw to steel strand wires 3, steel strand wires 3 and stretching end gooseneck relative movement, fixing end gooseneck 6 tension is made to be closely attached on force-transmitting pole 2 end, simultaneous tension end gooseneck pressurized is closely attached on the other end of force-transmitting pole.
The base plate of pedestal is rectangular slab, and in the longitudinal direction, the both sides of base plate are all disposed with force-transmitting pole, and force-transmitting pole is bar, uses the pedestal of this structure, relies on force-transmitting pole to bear tension stress, makes pedestal can bear bigger deformation, it is ensured that construction safety.The fixing end gooseneck arranged at the two ends of force-transmitting pole and stretching end gooseneck, stretching end gooseneck connects tensioning equipment, by tensioning equipment, steel strand wires are carried out stretch-draw, fixing end gooseneck tension is made to be closely attached on force-transmitting pole end, simultaneous tension end gooseneck pressurized is closely attached on the other end of force-transmitting pole, ensure that integrally-built security and stability, tensioning equipment continues steel strand wires are carried out stretch-draw, makes steel strand tension reach to design requirement.Described base plate is for supporting the miscellaneous part of pre-tensioning system precast beam pedestal, simultaneously, force-transmitting pole is arranged in the both sides on the long limit of base plate, intermediate formation bathtub construction, for mounting rail template, beam forms is mainly used in pouring work during beam processed, after completing steel strand tension, just can carry out concreting by beam forms.This pre-tensioning system precast beam pedestal arranges force-transmitting pole by the both sides at base plate, tensioning equipment by being installed on stretching end gooseneck reaches stretch-draw purpose again, when stretch-draw, relies on the gooseneck at force-transmitting pole two ends to compress with force-transmitting pole, make force-transmitting pole bear tension stress, reach stretch-draw purpose.Owing to not using piling strtucture, the simple in construction of pedestal, it is simple to operation, in the case of making stretching bed seat fully meet industry standard in terms of safety and deformation, not only reduce working procedure, accelerate construction speed, and saved substantial amounts of cost at material, artificial aspect.
As shown in Figure 3, stretching end gooseneck includes that stretching end fixes gooseneck 4 and stretching end movable steel crossbeam 5, stretching end fixes gooseneck 4 and stretching end movable steel crossbeam 5 is rectangular structure, the two is connected by tensioning equipment, stretching end is fixed gooseneck 4 and is arranged in force-transmitting pole 2 end, stretching end movable steel crossbeam 5 is arranged in the neutral gear between force-transmitting pole 2, and stretching end fixes gooseneck 4 and stretching end movable steel crossbeam 5 is arranged in parallel, and all vertical with force-transmitting pole 2.
Stretching end is provided with fixing gooseneck and movable steel crossbeam, fixing gooseneck is installed vertically on force-transmitting pole end, movable steel beam vertical is arranged in the neutral gear between force-transmitting pole, fix and be connected by tensioning equipment between gooseneck with movable steel crossbeam, when tensioning equipment works, fixing gooseneck is by being pressed in force-transmitting pole end face after the pressure of tensioning equipment, force-transmitting pole is made to become main stressed member, tensioning equipment continues movable steel crossbeam is carried out stretch-draw, movable steel crossbeam is close to fixing gooseneck, makes the steel strand wires being connected on movable steel crossbeam reach stretch-draw.Force-transmitting pole becomes main stressed member, and makes force-transmitting pole in whole axis direction stress, it is ensured that safety, it is to avoid deform.Simultaneously, the main purpose of the movable steel crossbeam arranged is, it is easy to when stretch-draw realize substep stretch-draw, simultaneous tension, first the steel strand wires connected movable steel crossbeam carry out stretch-draw, owing to being connected by tensioning equipment between fixing gooseneck with movable steel crossbeam, after making fixing gooseneck be pressed on force-transmitting pole end, pull movable steel crossbeam by fixing gooseneck, make steel strand wires simultaneous tension, thus achieve substep stretch-draw and simultaneous tension.
Fixing end gooseneck 6 is rectangular structure, is arranged in the end of force-transmitting pole 2, and fixing end gooseneck 6 is vertical with force-transmitting pole 2, and its length is more than the spacing between force-transmitting pole 2.When tension steel strand 3, fixing end gooseneck 6 is connected to steel strand wires 3, the other end of steel strand wires 3 is connected with tensioning equipment, fixing end floor beam 6 tension passes to force-transmitting pole 2, the length of fixing end gooseneck 6 is more than the spacing between force-transmitting pole 2, and force-transmitting pole becomes main stressed member, and makes force-transmitting pole in whole axis direction stress, guarantee safety, it is to avoid deform.
Tensioning equipment is jack 7, is installed on stretching end and fixes the outside of gooseneck 4, and stretching end is fixed and connected by traction rod iron 8 between gooseneck 4 and stretching end movable steel crossbeam 5, and described traction rod iron 8 is connected on jack 7.Use centre-hole jack as tensioning equipment, centre-hole jack is mainly used in group anchor integral tension, simple to operate, reliability is stronger, and can at utmost save steel strand wires, use traction rod iron to be connected through gooseneck with jack simultaneously, make traction rod iron when transmitting stretching force, more safe and reliable, will not break etc. dangerous, traction rod iron can also realize the fixing gooseneck of stretching end and being rigidly connected of movable steel crossbeam, by the connection of traction rod iron with jack, makes to fix stretch-draw between gooseneck and movable steel crossbeam abundant.
The quantity of jack 7 is at least 2, and is uniformly connected to stretching end and fixes on gooseneck 4.The centre-hole jack of at least 2 it is evenly arranged at stretching end, make the distribution of stretching end tension more uniform, thus ensure that whole pedestal works under safety condition, simultaneously, the quantity of the steel strand wires according to arrangement, calculates pulling force size, draws the quantity of the centre-hole jack of demand, ensure that stretching force is enough, make the stretch-draw of steel strand wires measure design requirement.
The section configuration of force-transmitting pole 2 is rectangle.Using section configuration is the force-transmitting pole of rectangle, easier in manufacturing process, and it is also ensured that force-transmitting pole has enough resistance to compression, antidumping, non-deformability, meanwhile, when using pre-tensioning system precast beam pedestal to make beams of concrete, also allows for installation form.
Force-transmitting pole 2, centered by the centrage of base plate 1, is symmetrically arranged in base plate 1 both sides.Use 2 force-transmitting poles, be symmetrically arranged in the both sides of base plate, while ensureing that pedestal has enough pressure, antidumping, non-deformability, make material, the cost such as artificial minimum, meet and use requirement.
Force-transmitting pole 2 both sides are also respectively provided with rectangle limit base plate, are used as the work platforms during beam processed.At force-transmitting pole, twice work platforms is set, makes the later stage when making beams of concrete, it is simple to operation, improve work efficiency.
Force-transmitting pole 2 is arranged on base plate 1, and base plate 1, force-transmitting pole 2 and limit base plate are integral type structure.Base plate, force-transmitting pole and limit base plate use integral structure, can disposably complete to pour, it is ensured that the resistance to compression of whole pedestal, antidumping, non-deformability after arranging embedded bar, and monolithic construction also has the effect reducing pedestal settling amount simultaneously.Primary concreting completes, and also has construction speed and improves a lot.
Base plate is provided with for placing and the strip footing of support beam template, and described strip footing is the concrete pier being arranged in the neutral gear between force-transmitting pole.Base plate is provided with strip footing, the concrete pier using rectangular structure is used for placing and support beam template as strip footing, consequently facilitating the pouring of later stage concrete, obtain the precast beam of corresponding construction, make the making progress of whole pedestal faster, lifting construction progress, reduction cost are had bigger help.
This utility model, by changing the version of pedestal, overcomes the shortcoming that the structure complexity of tradition pedestal existence, waste material, lost labor and making are long in time limit so that it is structure is simpler, and cost-effective, accelerating construction progress are created bigger effect.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (10)
1. a pre-tensioning system precast beam pedestal, it is characterized in that, including rectangular slab base plate and force-transmitting pole, described force-transmitting pole is arranged in parallel in base plate both sides, force-transmitting pole two ends are respectively disposed with fixing end gooseneck and stretching end gooseneck, connect on described stretching end gooseneck and have tensioning equipment, it is disposed with steel strand wires between fixing end gooseneck and stretching end gooseneck, described steel strand wires one end is fixed with fixing end gooseneck, the other end is connected through stretching end gooseneck with tensioning equipment, when tensioning equipment carries out stretch-draw to steel strand wires, described steel strand wires and stretching end gooseneck relative movement, fixing end gooseneck tension is made to be closely attached on force-transmitting pole end, simultaneous tension end gooseneck pressurized is closely attached on the other end of force-transmitting pole.
Pre-tensioning system precast beam pedestal the most according to claim 1, it is characterized in that, described stretching end gooseneck includes that stretching end fixes gooseneck and stretching end movable steel crossbeam, stretching end fixes gooseneck and stretching end movable steel crossbeam is rectangular structure, the two is connected by tensioning equipment, described stretching end is fixed gooseneck and is arranged in force-transmitting pole end, stretching end movable steel crossbeam is arranged in the neutral gear between force-transmitting pole, described stretching end fixes gooseneck and stretching end movable steel crossbeam is arranged in parallel, and all vertical with force-transmitting pole.
Pre-tensioning system precast beam pedestal the most according to claim 2, it is characterised in that described fixing end gooseneck is rectangular structure, is arranged in the end of force-transmitting pole, and described fixing end gooseneck is vertical with force-transmitting pole, and its length is more than the spacing between force-transmitting pole.
4. according to the pre-tensioning system precast beam pedestal described in Claims 2 or 3, it is characterized in that, described tensioning equipment is jack, it is installed on stretching end and fixes outside gooseneck, stretching end is fixed and is connected by traction rod iron between gooseneck and stretching end movable steel crossbeam, and described traction rod iron is connected on jack.
Pre-tensioning system precast beam pedestal the most according to claim 4, it is characterised in that the quantity of described jack is at least 2, and be evenly arranged in stretching end and fix on gooseneck.
Pre-tensioning system precast beam pedestal the most according to claim 4, it is characterised in that the section configuration of described force-transmitting pole is rectangle.
Pre-tensioning system precast beam pedestal the most according to claim 4, it is characterised in that described force-transmitting pole is symmetrically arranged in base plate both sides with base plate center line.
8., according to the pre-tensioning system precast beam pedestal one of claim 5-7 Suo Shu, it is characterised in that described force-transmitting pole both sides are also respectively provided with rectangle limit base plate, it is used as the work platforms during beam processed.
Pre-tensioning system precast beam pedestal the most according to claim 8, it is characterised in that described force-transmitting pole is arranged on base plate, and base plate, force-transmitting pole and limit base plate be integral type structure.
Pre-tensioning system precast beam pedestal the most according to claim 1, it is characterised in that described base plate is provided with for placing and the strip footing of support beam template, and described strip footing is the concrete pier being arranged in the neutral gear between force-transmitting pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620492213.5U CN205630974U (en) | 2016-05-26 | 2016-05-26 | Pre -tensioning system precast beam pedestal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620492213.5U CN205630974U (en) | 2016-05-26 | 2016-05-26 | Pre -tensioning system precast beam pedestal |
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| CN205630974U true CN205630974U (en) | 2016-10-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835226A (en) * | 2016-05-26 | 2016-08-10 | 中铁二十三局集团轨道交通工程有限公司 | Precast beam pedestal obtained through pre-tensioning method |
| CN109577212A (en) * | 2019-01-23 | 2019-04-05 | 中水电第十工程局（郑州）有限公司 | A kind of pretensioned prestressing Precasting Pedestal Construction method |
| CN112267694A (en) * | 2020-10-16 | 2021-01-26 | 五冶集团上海有限公司 | Manufacturing method of positioning device for batch tensioning of steel strands of pre-tensioned precast beam |
| EP4098996A1 (en) | 2021-06-01 | 2022-12-07 | Vilnius Gediminas Technical University | Anchorage system of structural components for manufac-turing and testing of composite elements |
-
2016
- 2016-05-26 CN CN201620492213.5U patent/CN205630974U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835226A (en) * | 2016-05-26 | 2016-08-10 | 中铁二十三局集团轨道交通工程有限公司 | Precast beam pedestal obtained through pre-tensioning method |
| CN109577212A (en) * | 2019-01-23 | 2019-04-05 | 中水电第十工程局（郑州）有限公司 | A kind of pretensioned prestressing Precasting Pedestal Construction method |
| CN112267694A (en) * | 2020-10-16 | 2021-01-26 | 五冶集团上海有限公司 | Manufacturing method of positioning device for batch tensioning of steel strands of pre-tensioned precast beam |
| EP4098996A1 (en) | 2021-06-01 | 2022-12-07 | Vilnius Gediminas Technical University | Anchorage system of structural components for manufac-turing and testing of composite elements |
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