CN207513220U - A kind of structure of pre-tensioned prestressing foundation stabilization - Google Patents

A kind of structure of pre-tensioned prestressing foundation stabilization Download PDF

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Publication number
CN207513220U
CN207513220U CN201721484399.0U CN201721484399U CN207513220U CN 207513220 U CN207513220 U CN 207513220U CN 201721484399 U CN201721484399 U CN 201721484399U CN 207513220 U CN207513220 U CN 207513220U
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CN
China
Prior art keywords
foundation
rinforcement bar
tensioned prestressing
foundation stabilization
muscle
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Expired - Fee Related
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CN201721484399.0U
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Chinese (zh)
Inventor
陈文元
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Sichuan College of Architectural Technology
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Sichuan College of Architectural Technology
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Priority to CN201721484399.0U priority Critical patent/CN207513220U/en
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Publication of CN207513220U publication Critical patent/CN207513220U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of foundation reinforcing structure, particularly a kind of structure of safer, suitable for ancient building foundation stabilization pre-tensioned prestressing foundation stabilization belongs to technical field of buildings;The structure includes the more rinforcement bars being set in structure foundation, the operating table surface convenient for penetrating rinforcement bar is offered on structure foundation, through-hole is offered in structure foundation by operating table surface, rinforcement bar runs through through-hole, removable be provided with of the operating table surface first opens component pedestal for tensioning rinforcement bar, and the filler for fixing rinforcement bar form is filled between rinforcement bar and through-hole side wall;The utility model solves the problems, such as building especially heritage buildings foundation stabilization, effectively solve the problems, such as that ground needs bigger support force using the setting of rinforcement bar, casting concrete is carried out again with reference to rinforcement bar is first tensed, rinforcement bar is made to form one with concrete, so as to effectively ensure support effect, the possibility of building collapsing is not only avoided, while also improves the safety coefficient of operating personnel.

Description

A kind of structure of pre-tensioned prestressing foundation stabilization
Technical field
The utility model is related to a kind of foundation reinforcing structure, particularly it is a kind of it is safer, add suitable for ancient building ground Solid pre-tensioned prestressing foundation stabilization structure, belong to technical field of buildings.
Background technology
The principal mode of foundation stabilization has anchor rod static pressure prefabricated pile reinforcement technique, high-pressure rotary jet grouting pile reinforcement technique, chemistry to fill Starch the new and old basic interconnection technique of reinforcement technique, compound foundation with deep mixing pile reinforcement technique, packet pillar, the new and old base side of bar planting formula Connection technology etc., construction method is all complex, construction period more or less can all influence the use of building.
Reinforced the methods of our generally use joist columns in engineering at present, by undermining partly Base, and inside embedded pile and beam or pass through bottom and increase concrete or brick structure consolidated subsoil, improve foundation capability.It puts Ground is changed during this, due to the decrease of ground, particularly ancient building, there are some security risks in itself in structure, it is transposed In journey there is the risk collapsed in structure in the worst case.Especially make a kind of situation for being not in displacement, undermining of needs, Will not ground weaken the structure of the existing underground space.
Invention content
The goal of the invention of the utility model is:In view of the above problems, provide a kind of structures and methods it is simple, can Strong operability, consolidation effect is good, does not need to undermine, can to the construction material of existing building, particularly ancient building With the structure of pre-tensioned prestressing foundation stabilization preserved in complete non-destructive situation.
The technical solution adopted in the utility model is as follows:
A kind of structure of pre-tensioned prestressing foundation stabilization, the rinforcement bar being set in structure foundation including more, building The operating table surface convenient for penetrating rinforcement bar is offered on object ground, through-hole is offered in structure foundation by operating table surface, Rinforcement bar runs through through-hole, and removable be provided with of the operating table surface first opens component pedestal, rinforcement bar and through-hole for tensioning rinforcement bar The filler for fixing rinforcement bar form is filled between side wall.Drilling and the implantation of rinforcement bar are used with realizing building The reinforcing problem of base, in addition, rinforcement bar is first tensed, then pours filler, when object to be filled reaches some strength, unclamps Component pedestal is first opened, so as to which rinforcement bar be made to keep the state of fastening, makes reinforcing process simpler, safety coefficient is high.
A kind of structure of pre-tensioned prestressing foundation stabilization of the utility model, the rinforcement bar include more longitudinal reinforcement muscle With more transversely strengthening muscle, the longitudinal reinforcement muscle and transversely strengthening muscle are equidistantly uniformly distributed respectively.The setting can make ground It is more uniformly stressed, and support effect can be preferably provided
Further, the longitudinal reinforcement muscle is coupled with transversely strengthening muscle, and forms the netted of square net.The design Mode can effectively ensure that ruggedized construction is whole, improve bearing capacity.
Further, the distribution spacing of the longitudinal reinforcement muscle and the distribution spacing of the transversely strengthening muscle are 0.3m-1.5m.
A kind of structure of the pre-tensioned prestressing foundation stabilization of the utility model, the rinforcement bar be reinforcing bar, the reinforcing bar it is straight Diameter is 5mm-30mm.
A kind of structure of pre-tensioned prestressing foundation stabilization of the utility model, the filler is fills concrete or mortar.
A kind of structure of pre-tensioned prestressing foundation stabilization of the utility model is additionally provided in the structure foundation and is used for The vertical member of support force is improved, which squeezes into downwards along structure foundation surface.The set-up mode can be further The support force of base ruggedized construction is promoted, and forms the pedestal of compacting, while also be able to make the further consolidation of ground.
Further, the vertical member is coupled with rinforcement bar.Set-up mode can effectively ensure that vertical member is being reinforced Effect in ground.
A kind of structure of pre-tensioned prestressing foundation stabilization of the utility model, the operating table surface are around structure foundation Annular groove, this is first opened component pedestal in a ring and removable is installed in annular groove.Which is easy to operate, and makes this First opening component can fully recycle.
A kind of structure of pre-tensioned prestressing foundation stabilization of the utility model, the component pedestal of first opening is using shaped steel system Into.Ensure rigidity and tension effect.
There are many building structure ground base enforcement method, and this method is simple, operability is strong.Below structure foundation Arrange one or more layers supporting surface, and in the parallel with the ground of building of identical soil layer.Whole building structure or part as a result, The meeting of differential settlement is supported in primary construction, will not the existing underground sky of ground weakening since supporting network is in soil layer Between.Can also by connecting multiple elongated vertical supporting components, so as to set up a kind of three-dimensional of firm backing structure structure, Vertically, laterally to the three-dimensional base support structure of coupling.It therefore, can to the construction material of existing building, particularly ancient building To be preserved in complete non-destructive situation.Pre-tensioned prestressing ruggedized construction is the stretch-draw prestressing force before casting concrete Muscle, and by the presstressed reinforcing steel anchoring temporarily of tensioning on pedestal or punching block, then casting concrete, treats that concrete curing reaches not Less than the 75% of concrete design strength value, when ensureing that presstressed reinforcing steel and concrete there are enough bondings, loosen presstressed reinforcing steel, borrow Help the bonding of concrete and presstressed reinforcing steel, since pre-tensioned prestressing structure does not stay anchorage, which can be very quick Ground carries out, and advantage of lower cost.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:The one of the utility model The structure of kind pre-tensioned prestressing foundation stabilization solves the problems, such as building especially heritage buildings foundation stabilization, utilizes rinforcement bar Setting effectively solve the problems, such as that ground needs bigger support force, with reference to first tense rinforcement bar carry out casting concrete again, Rinforcement bar is made to form one, and form reinforcing crossmember with concrete, the effective consolidation effect for ensureing structure foundation, meanwhile, The design of integrated structure enables the forced area of ground to cover and be evenly distributed comprehensively, so as to effectively ensure support effect Fruit, without directly being excavated to ground in operating process, especially Foundation Part it is uneven in the state of, can effectively keep ground It is original secured, in implantation ruggedized construction groundwork fastness more preferably, the possibility of building collapsing is not only avoided, while also carry The safety coefficient of high operating personnel.
Description of the drawings
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the structure diagram of the utility model vertical view;
Fig. 3 is the netted structure diagram that the utility model rinforcement bar is formed;
Fig. 4 is the structure diagram amplified at the utility model A;
Fig. 5 is the utility model rinforcement bar distributed architecture schematic diagram.
It is marked in figure:1- rinforcement bars, 11- longitudinal reinforcements muscle, 12- transversely strengthenings muscle, 2- operating table surfaces, 3- vertical members, 4- first opens component pedestal, 5- through-holes, 6- fillers.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
Embodiment
As shown in Figure 1, Figure 2 and shown in Fig. 4, building is set to including more for a kind of structure of pre-tensioned prestressing foundation stabilization Rinforcement bar 1 in object ground offers the operating table surface 2 convenient for penetrating rinforcement bar on structure foundation, is existed by operating table surface Through-hole 5 is offered in structure foundation, rinforcement bar 1 runs through through-hole, and the operating table surface 2 is removable to be provided with for tensioning rinforcement bar Component pedestal 4 is first opened, the filler 6 for fixing rinforcement bar form is filled between rinforcement bar 1 and through-hole side wall.
In the present embodiment, when installing the structure of pre-tensioned prestressing foundation stabilization, first around ground surrounding dredge operation table top 2, it will first open component pedestal 4 and be removably mounted in operating table surface 2, drilled by operating table surface to ground, and form use In the through-hole for penetrating rinforcement bar, rinforcement bar is penetrated into through-hole, and carry out tension fastening using component pedestal is first opened, pours filling Object, object to be filled first open component pedestal to release during some strength, take away and first open component pedestal, reinforce and complete, at this time filler It is integral with rinforcement bar shape.
In design principle based on above-mentioned specific embodiment, in another specific embodiment, as shown in figure 3, reinforcing Muscle 1 includes more longitudinal reinforcement muscle 11 and Duo Gen transversely strengthenings muscle 12, and the longitudinal reinforcement muscle 11 and transversely strengthening muscle 12 are respectively etc. Spacing is uniformly distributed.The design method is so that building base is more uniformly stressed, comprehensively.
In design principle based on above-mentioned specific embodiment, in another specific embodiment, as shown in figure 5, longitudinal direction Rinforcement bar 11 is coupled with transversely strengthening muscle 12, and forms the netted of square net.Specifically, longitudinal reinforcement muscle 11 is with laterally adding Gu the through-hole where muscle 12 is connected in staggered place, longitudinal reinforcement muscle 11 contacts with each other with transversely strengthening muscle 12 and is coupled.In order to It realizes the better consolidation effect of rinforcement bar, a kind of more preferably pattern can be selected, in a wherein specific embodiment, this is netted It is set as multilayer.Specifically, it is 1-3 layers that this is netted.And conduct is common, using 1 layer or 2 layers.
In design principle based on above-mentioned specific embodiment, in another specific embodiment, the longitudinal reinforcement muscle 11 Distribution spacing and the transversely strengthening muscle 12 distribution spacing be 0.3m-1.5m.It is fitted according to the situation of building and ground When adjustment distribution spacing, so as to fulfill the effect of reinforcing.In addition, based on conventional sense, as preference, the longitudinal reinforcement muscle 11 Distribution spacing and the transversely strengthening muscle 12 distribution spacing for 0.9m, 1m or 1.1m it is more particularly suitable.
In design principle based on above-mentioned specific embodiment, in another specific embodiment, rinforcement bar 1 is reinforcing bar. The setting can effectively ensure that the rigidity of ruggedized construction.Equally, in the situation in view of stress and the bearing capacity situation of reinforcing bar, In a wherein specific embodiment, a diameter of 5mm-30mm of reinforcing bar.The bearing capacity of rinforcement bar is effectively ensured in the set-up mode.Make It, can position 10mm, 15mm or 20mm to be preferential.
In design principle based on above-mentioned specific embodiment, in another specific embodiment, filler 6 is fills coagulation Soil or mortar.After reinforcing, each through-hole forms a reinforcing rib, and improves consolidation effect using reinforcing cord.
In design principle based on above-mentioned specific embodiment, in order to preferably realize support effect, the steady of support is kept Qualitative, in another specific embodiment, vertical member 3 is coupled with rinforcement bar.Specifically, the vertical member 3 and rinforcement bar are straight Contact is coupled.Which makes entire ruggedized construction form one.The vertical member 3 is more, and is uniformly distributed, with adding Gu rope forms the structure of Polyhedral.
As more specifical, the face which couples with reinforcing cord is not only sliding surface.
In design principle based on above-mentioned specific embodiment, in a wherein specific embodiment, which is Around the annular groove of structure foundation, this is first opened component pedestal 4 in a ring and removable is installed in annular groove.Specifically, The groove is " U "-shaped.
It is made specifically, first opening component pedestal 4 of shaped steel.Alternatively, this first opens component pedestal 4 for punching block.Using welding It is made.
Specifically, the extending direction that the rinforcement bar 1 is located in ground is arranged along structure foundation direction is parallel to.
Based in above-mentioned specific embodiment, the installation method of the ruggedized construction is:The first step, as shown in Figure 1, building Operating table surface 2 is excavated outside foundation, and makes the excavation on building and original foundation without influence, it is removable in operating table surface Installation first open component pedestal, vertical view is as shown in Figure 2;Second step drills to structure foundation by operating table surface, Through-hole 5 is formed, rinforcement bar is penetrated into through-hole 5, and is formed network-like as shown in figure 3, rinforcement bar connection is first opened component pedestal, and Tensioning rinforcement bar;Vertical member 3 is squeezed into from foundation surface, vertical member 3 is made to be coupled with rinforcement bar 1, structure is as shown in Figure 3; 4th step in batches, subsection tension rinforcement bar, reaches the prestress value by design requirement;5th step, to pouring coagulation in through-hole Soil when concrete strength meets requirement of strength design, loosens rinforcement bar from first opening in component pedestal;6th step, from operation console Face, which removes, first opens component pedestal, and backfilling operation table top, entire reinforcement is completed.
In conclusion to solve building especially ancient for a kind of structure of pre-tensioned prestressing foundation stabilization of the utility model The problem of structure foundation is reinforced, effectively solves the problems, such as that ground needs bigger support force using the setting of rinforcement bar, ties It closes first tension rinforcement bar and carries out casting concrete again, rinforcement bar is made to form one, and form reinforcing crossmember with concrete, effectively Ensure the consolidation effect of structure foundation, meanwhile, the design of integrated structure enables the forced area of ground to cover comprehensively simultaneously And be evenly distributed, so as to effectively ensure support effect, ground need not directly be excavated in operating process, especially Foundation Part In the state of uneven, can effectively retentively base it is original securely, implantation ruggedized construction groundwork fastness more preferably, not only The possibility of building collapsing is avoided, while also improves the safety coefficient of operating personnel.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of structure of pre-tensioned prestressing foundation stabilization, it is characterised in that:Adding in structure foundation is set to including more Gu muscle(1), the operating table surface convenient for penetrating rinforcement bar is offered on structure foundation(2), by operating table surface in building Through-hole is offered in base(5), rinforcement bar(1)Through through-hole, the operating table surface(2)It is removable to be provided with for the elder generation of tensioning rinforcement bar Open component pedestal(4), rinforcement bar(1)The filler for fixing rinforcement bar form is filled between through-hole side wall(6).
2. a kind of structure of pre-tensioned prestressing foundation stabilization as described in claim 1, it is characterised in that:The rinforcement bar(1) Including more longitudinal reinforcement muscle(11)With more transversely strengthening muscle(12), the longitudinal reinforcement muscle(11)With transversely strengthening muscle(12)Point It is not uniformly distributed equidistantly.
3. a kind of structure of pre-tensioned prestressing foundation stabilization as claimed in claim 2, it is characterised in that:The longitudinal reinforcement muscle (11)With transversely strengthening muscle(12)Coupling, and form the netted of square net.
4. a kind of structure of pre-tensioned prestressing foundation stabilization as claimed in claim 2, it is characterised in that:The longitudinal reinforcement muscle (11)Distribution spacing and the transversely strengthening muscle(12)Distribution spacing be 0.3m-1.5m.
5. a kind of structure of pre-tensioned prestressing foundation stabilization as described in claim 1, it is characterised in that:The rinforcement bar(1) For reinforcing bar, a diameter of 5mm-30mm of the reinforcing bar.
6. a kind of structure of pre-tensioned prestressing foundation stabilization as described in claim 1, it is characterised in that:The filler(6) To fill concrete or mortar.
7. a kind of structure of pre-tensioned prestressing foundation stabilization as described in claim 1, it is characterised in that:The structure foundation Inside it is additionally provided with the vertical member for improving support force(3), the vertical member(3)It is squeezed into downwards along structure foundation surface.
8. a kind of structure of pre-tensioned prestressing foundation stabilization as claimed in claim 7, it is characterised in that:The vertical member (3)It is coupled with rinforcement bar.
9. a kind of structure of pre-tensioned prestressing foundation stabilization as described in claim 1, it is characterised in that:The operating table surface (2)For the annular groove around structure foundation, this first opens component pedestal(4)In a ring and removable it is installed in annular groove.
10. a kind of structure of pre-tensioned prestressing foundation stabilization as described in claim 1, it is characterised in that:It is described first to open component Pedestal(4)It is made of shaped steel.
CN201721484399.0U 2017-11-09 2017-11-09 A kind of structure of pre-tensioned prestressing foundation stabilization Expired - Fee Related CN207513220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721484399.0U CN207513220U (en) 2017-11-09 2017-11-09 A kind of structure of pre-tensioned prestressing foundation stabilization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721484399.0U CN207513220U (en) 2017-11-09 2017-11-09 A kind of structure of pre-tensioned prestressing foundation stabilization

Publications (1)

Publication Number Publication Date
CN207513220U true CN207513220U (en) 2018-06-19

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CN201721484399.0U Expired - Fee Related CN207513220U (en) 2017-11-09 2017-11-09 A kind of structure of pre-tensioned prestressing foundation stabilization

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Country Link
CN (1) CN207513220U (en)

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Granted publication date: 20180619

Termination date: 20211109