CN103132594A - Joining method of concrete structure - Google Patents
Joining method of concrete structure Download PDFInfo
- Publication number
- CN103132594A CN103132594A CN2012102884811A CN201210288481A CN103132594A CN 103132594 A CN103132594 A CN 103132594A CN 2012102884811 A CN2012102884811 A CN 2012102884811A CN 201210288481 A CN201210288481 A CN 201210288481A CN 103132594 A CN103132594 A CN 103132594A
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- China
- Prior art keywords
- concrete structure
- box culvert
- concrete
- joint method
- bonding agent
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1628—Shapes rectangular
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0025—Adhesives, i.e. glues
Abstract
The invention provides a joining method of concrete structures. The purpose of the present invention is to give shock resistance, continuity and water tightness inexpensively and easily by using concrete structure products with cylinder-shaped or U-shaped cross-sections. A plurality of box culverts (1) with cylinder-shaped cross-section as concrete structure products are paved with a predetermined interval. A non-polar substance supporting sealing material (22) is arranged at the portion spaced from inner surface of the box culvert (1). A junction portion (2) is formed by injecting an adhesive agent (21) with a stretching capacity of 100-250% and a density of 0.8-1.0 g/cm3 into the space between surface of the supporting sealing material (22) and the inner surface of the box culvert (1).
Description
Technical field
The present invention relates to the joint method of the concrete structure that concrete structure that pair cross-section is shaped as tubular or U word shape engages.
Background technology
In the past, be the method for the concrete structure of tubular or U word shape as laying cross sectional shape, adopted various methodologies.For example, (for example can consider such method, with reference to patent documentation 1), namely, in the periphery of being located at as the protuberance of the chimeric use on the end of the concrete products of concrete structure, the rubber etc. that shape in wave shape is installed has the packing of water proofing property, and it is fastened in the recess of original concrete products, use the draw-gear tractions such as thread, aforementioned rubber inlaid is combined in aforementioned recess.in addition, also can consider such method, namely, at the top board as the end of the concrete products of concrete structure, sidewall, the slot part of chimeric use is set near the thickness of slab central authorities of base plate, a side the flechette-type that utilizes hammer etc. to make both sides be the banded rubber component of flechette-type shape partly is embedded in this slot part, the opposing party's flechette-type part is engaged with the slot part of the chimeric use of the concrete products of adjacency, use the draw-gear tractions such as thread, this flechette-type is partially submerged in the slot part of aforementioned chimeric use, then the flexible pipe of the injection of the mortar on being located at concrete products use injects mortar the slot part of chimeric use.In addition, in the situation that carry out pouring construction, in the past, adopted the concrete by cast-in-site the interval parts between the concrete products that adjoins each other to be formed the method for lining cutting.And, when on original concrete structure, skew, crackle having occured, as the method that is used for recovering the functions such as continuity, watertightness, can consider to install every predetermined distance the method for flexible joint.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2002-61266 communique
Summary of the invention
The problem that invention will solve
Yet, the flechette-type that make the chimeric method of the recess of concrete products of the rubber installed on the protuberance of the chimeric use on being located at the end of aforementioned concrete products and adjacency according to using the draw-gear traction such as above-mentioned thread, both sides is the banded rubber component of flechette-type shape is partly imbedded the method in the slot part that has been arranged on the chimeric use on the concrete products, can guarantee that when laying concrete products performance ground engages, but the problem that can not tackle in the rear existence of laying.
In addition, formed with regard to the method for lining cutting by the concrete of cast-in-site when carrying out above-mentioned pouring construction, the concrete products of adjacency is carried out rigidity link, the such problem of displacement of the ground when existence can not be tackled thereafter different sedimentations, earthquake.
In addition, with regard to as described above, install for the method for flexible joint every predetermined distance in order to recover the function such as continuity, watertightness when skew, crackle have occured on original concrete structure, because the flexible joint price is high, so, there is the huge problem of maintenance cost.
The present invention is conceived to above aspect, and the such problem that has illustrated more than to solve is as purpose.
For the means of dealing with problems
Namely, the joint method of a concrete structure of the present invention is characterised in that: a plurality of cross sectional shapes of interval given size ground laying are the concrete structure of tubular or U word shape, from the inner surface interval of concrete structure part the supporting material of apolar substance is set, by the space between the inner surface of the surface of this supporting material and concrete structure inject stretch capability be 100%～250% and also density be 0.8～1.0g/cm
3Bonding agent, form the junction surface.
According to such method, the density of bonding agent is little, so during construction, bonding agent can not drip, application property is good.In addition, because stretch capability is good, so even in the displacement of the ground when different sedimentations, earthquake have occured, bonding position is also followed them and produced distortion, and can guarantee continuity, watertightness.That is, for the water routes such as sewer that utilized cross sectional shape for the concrete structure of tubular or U word shape, path etc., can at a low price and easily give seismic resistance, continuity, watertightness.
As guaranteeing the thickness of the bond layer of continuity, watertightness by such bonding agent, be the degree of depth in the space between the inner surface of the surface of aforementioned supporting material and concrete structure, the preferred degree of depth can list the degree of depth of 0.75～1.25 times into the interval width between concrete structure.
Suitably carry out the form of the location of aforementioned supporting material as being used for, can list the form at foreign side's configuration external support material of aforementioned supporting material.
In addition, the joint method of another concrete structure of the present invention is characterised in that: be in original concrete structure of tubular or U word shape at cross sectional shape, inner surface complete cycle at aforementioned concrete structure forms groove, the inner surface interval of the concrete structure in groove from then on part the supporting material of apolar substance is set, by the space between the inner surface of the surface of this supporting material and concrete structure inject stretch capability be 100%～250% and also density be 0.8～1.0g/cm
3Bonding agent, form the junction surface.
According to such method, can obtain the topmost effect of the invention described above, namely, during construction bonding agent do not drip, the good such effect of application property, even in the time of the displacement of the ground when different sedimentations, earthquake have occured, bonding position is also followed their distortion and can be guaranteed continuity, the such effect of watertightness, and can at a low price, easily give seismic resistance, continuity, the such effect of watertightness to concrete structure.
A preferred embodiment as such joint method can list such embodiment, that is, aforementioned original concrete structure is the concrete structure that the concrete products of tubular or U word shape has formed for laying a plurality of cross sectional shapes.
In addition, as preferred another embodiment of such joint method, can list the embodiment that forms aforementioned grooves on the inner surface at the aforementioned concrete products junction surface each other that adjoins each other.If such joint method, be suitable for the present invention by the bonding part at original works of having laid adjacently a plurality of concrete structures, the net that can not shut off traffic is given seismic resistance, continuity, watertightness to original works when being necessary.
And, as such joint method another preferred embodiment, can list and form the embodiment of aforementioned grooves at the inner surface of aforementioned concrete structure at damaged part.If such joint method, the net that can not shut off traffic carries out the reparation of damaged part when being necessary, gives seismic resistance, continuity, watertightness to original works.
The invention effect
According to the present invention, can be at a low price, concrete structure that easily pair cross-section is shaped as tubular or U word shape gives seismic resistance, continuity, watertightness.
Description of drawings
Fig. 1 is the figure that form is set of the concrete structure of expression the 1st embodiment of the present invention.
Fig. 2 utilizes the central longitudinal sectional view of the works that the concrete structure of the 1st embodiment formed for expression.
Fig. 3 is the sectional view of the concrete structure of expression the 1st embodiment.
Fig. 4 is the A-A sectional view in Fig. 2.
Fig. 5 is the figure that form is set for the junction surface that the 1st embodiment is described.
Fig. 6 is the B-B sectional view in Fig. 4.
Fig. 7 is the sectional view of the concrete structure of expression the 2nd embodiment of the present invention.
Fig. 8 is the central longitudinal sectional view at the junction surface of expression the 2nd embodiment.
Fig. 9 is the figure that form is set for the junction surface that the 2nd embodiment is described.
Figure 10 is the figure that form is set for the junction surface that the 2nd embodiment is described.
Figure 11 is the figure that form is set for the junction surface that the 2nd embodiment is described.
Figure 12 is the C-C sectional view in Fig. 8.
Figure 13 is the figure of the damaged section of the concrete structure of expression the 3rd embodiment of the present invention.
Figure 14 is the figure that form is set for the junction surface that the 3rd embodiment is described.
Figure 15 is the central longitudinal sectional view at the junction surface of expression the 3rd embodiment.
Figure 16 is the figure that form is set of the concrete structure of expression another embodiment of the present invention.
Figure 17 is the sectional view at the junction surface of this another embodiment of expression.
The specific embodiment
Below, with reference to Fig. 1～Fig. 6, the 1st embodiment of the present invention is described.
The joint method of the concrete structure of present embodiment, be in the concrete structure of square tube shape (angle tubular) at cross sectional shape, in the underground structures such as sewer that form connecting a plurality of box culverts 1 as concrete products in particular, such as shown in Figures 1 and 2, original box culvert 1 ' between be used when new box culvert 1 is set.New box culvert 1, from the interval width w of the interval regulation of original box culvert 1 of adjacency ' respectively be laid, through the junction surface 2 with original box culvert 1 ' engage.
Here, the joint method of the box culvert 1 as concrete products of the present invention, 2 pairs, the junction surface utilizing bonding agent 21 and formed of serving as reasons has the joint method of the concrete products that engages between the mating face 1a of box culvert 1 of mating face 1a at two ends in opposite directions.About forming the method at this junction surface 2, together with the explanation of the structure of each one, be described in detail following.
In more detail, external support material 23, as Fig. 4 and shown in Figure 6, be configured in from plane that the external surface of the box culvert 1 that will adjoin each other connects each other from the inner surface of box culvert 1 laterally the interval zone of position of predetermined distance.In addition, supporting material 23 possesses the function that the ora terminalis in the outside to supporting encapsulant 22 positions in addition.And, in the present embodiment, with after supporting material 23 has been configured between the box culvert 1 that adjoins each other in addition, supporting encapsulant 22 is configured in the interior side of external support material 23.In addition, supporting material 23 is not necessarily leaveed no choice but arrange in addition.
Supporting encapsulant 22 as described above, also reaches as shown in Figure 6 as Fig. 4 in addition, for being configured in the inboard of external support material 23, has the member of the ring-type of same gauge substantially in whole zone, is formed by apolar substance.And, in the space 2s between the plane that the inner surface with box culvert 1 connects each other, injected the bonding agent 21 that is engaged with each other for these box culverts 1 at the inner surface that from then on supports encapsulant 22.The depth d of this space 2s, i.e. distance from the inner surface of aforementioned supporting encapsulant 22 to the plane that the inner surface with box culvert 1 connects each other is set to 0.75～1.25 times of aforementioned interval width w.
That is, when the box culvert 1 to adjacency engages, in the space between box culvert 1, as shown in Figure 5, first configure external support material 23, supporting encapsulant 22 is configured in the inboard of external support material 23.And, as shown in Figure 6, carry out such program, that is, inject bonding agent 21 to the inboard of this supporting encapsulant 22, wait for until bonding agent 21 solidifies.In addition, when injecting bonding agent 21, although omitted diagram, implement to cover by pasting the methods such as masking tape at inner surface and position aforesaid space 2s adjacency of box culvert 1, after bonding agent 21 solidifies, by being removed, the methods such as masking tape removes cover.And, after having formed the water route, in the displacement of the ground when different sedimentations, earthquake have occured, produce distortion by the layer that is provided with this bonding agent 21, continuity, watertightness between the box culvert 1 that keeps adjoining each other.
As described above like that, joint method according to present embodiment, even the displacement of the ground when different sedimentations, earthquake have occured, accompany therewith, box culvert 1,1 ' between relative position when having changed, also follow their distortion by the bonding position that bonding agent 21 forms, and can guarantee continuity, watertightness.That is, can to having utilized the works of box culvert 1,1 take cross sectional shape as the square tube shape ' as the water routes such as sewer of the concrete products of representative, path etc., at a low price, easily give seismic resistance, continuity, watertightness.
In addition, according to this joint method, owing to not needing silane coupling agent, so, can realize reducing work hours and the reduction of erection time.
And, according to this job practices, change as required 1 box culvert 1 that consists of works, form junction surface 2 in the both sides of this box culvert 1, accordingly, can give seismic resistance, continuity, watertightness to works where necessary.
Below with reference to Fig. 7～Figure 12, the 2nd embodiment of the present invention is described.
The joint method of the concrete structure of present embodiment, for being in the underground structures such as sewer that form of the box culvert A1 as concrete structure of square tube shape connecting a plurality of cross sectional shapes, the method that the original box culvert A1 bonding part each other that adjoins each other is implemented.
Box culvert A1 has the structure same with box culvert 1 cardinal principle of above-mentioned the 1st embodiment.Namely, as shown in Figure 7, have pair of side plates A12, with the continuous base plate A11 of this pair of side plates A12 and be in top board A13 with base plate A11 position in opposite directions, and, for inside has inner space A1s, square tube form that so-called cross section is rectangular-shaped by these side plates A12, base plate A11 and top board A13 zoning.In addition, this box culvert A1 possesses the box culvert of mating face A1a for the two ends at length direction, by engaging at mating face A1a, link a plurality of box culvert A1, constructs underground structure.Mating face A1a, rectangular and interior all shapes also are the mating face of general rectangular for its peripheral shape, become square tubular shape.In addition, in the present embodiment, the position of the face inside space A1s in the A1a of this mating face arranges Figure 10 and otch A1t as shown in Figure 12 with spreading all over complete cycle.In addition, in the present embodiment, the box culvert A1 as concrete products of square tube shape has been described as shown like that, but applicable the present invention in three water routes that certainly also can consist of the concrete products that is U word shape when analysing and observe, this concrete products is made of pair of side plates A12 and base plate A11, and the top is open.In addition, " cross sectional shape is the square tube shape " is the inner surface that also the comprises base plate A11 concept with the shape of the form of circular-arc expansion when analysing and observe.
Here, the joint method of box culvert A1 as concrete products of the present invention, between mating face A1a for box culvert A1 that mating face A1a is arranged at two ends in opposite directions, form and to utilize the junction surface A2 that adhesive A 21 formed and the joint method of the concrete products that engages.About forming the method for this junction surface A2, at length describe below together with the explanation of the structure of each one.
Aforementioned junction surface A2, as described above, and as shown in Figure 12, be formed between the otch A1t of the box culvert A1 that adjoins each other, external surface side inward faces side from box culvert A1, as Fig. 8 and shown in Figure 12, configure respectively the supporting encapsulant A22, the adhesive A 21 that have been formed by apolar substance as supporting material.Here, aforementioned otch A1t forms by utilizing concrete cutter etc. that original box culvert A1 is cut out otch.That is, between mutually in opposite directions the side of otch A1t of the box culvert A1 of adjacency as shown in Figure 10 apart from w2, larger apart from w20 than between original box culvert A1 as shown in Figure 9.
Aforementioned supporting encapsulant A22 as Fig. 8 and shown in Figure 12, for have the member of the ring-type of same gauge substantially in whole zone, is formed by apolar substance.In addition, this supporting encapsulant A22 is by being spliced (add and connect) in the state configuration on the bottom surface of aforementioned otch A1t.And, in the space A2s between the plane that the inner surface with box culvert A1 connects each other, inject the adhesive A 21 that is engaged with each other for these box culverts A1 at the inner surface that from then on supports encapsulant A22.Here, distance from the inner surface of aforementioned supporting encapsulant A22 to the plane that the inner surface with box culvert A1 connects each other, the depth d 2 that namely is used for the space A2s of placement of adhesives A21, be set the width of space A2s for this reason and be between aforementioned in opposite directions the side of otch A1t mutually apart from 0.75～1.25 times of w2.
Namely, in the present embodiment, when the box culvert A1 to adjacency engages, carry out such program, that is, form as shown in Figure 10 respectively otch A1t on the mutual mating face A1a in opposite directions of the box culvert A1 that adjoins each other, encapsulant A22 is supported in splicing on the bottom surface of this otch A1t as shown in Figure 11, and, inject adhesive A 21 to the inboard of this supporting encapsulant A22 as shown in Figure 12, wait for until adhesive A 21 is solidified.In addition, when injecting adhesive A 21, carry out with above-mentioned the 1st embodiment same cover processing.And, in the present embodiment, after having formed the water route, during the displacement of the ground when different sedimentations, earthquake have occured, produce distortion by the layer that is provided with this adhesive A 21, continuity, watertightness between the box culvert A1 that keeps adjoining each other.
As described above, according to the joint method of present embodiment, even in the displacement of the ground when different sedimentations, earthquake have occured, also follow their distortion by the bonding position that adhesive A 21 forms, and can guarantee continuity, watertightness.That is, to having utilized cross sectional shape for works such as the water routes such as sewer of the concrete products of square tube shape or U word shape, paths, can at a low price, easily give seismic resistance, continuity, watertightness.
In addition, according to this joint method, not needing silane coupling agent yet, so, can realize reducing work hours and the reduction of erection time.
And, according to this job practices, owing to can forming in the inside of the box culvert A1 that consists of original works whole operations of junction surface A2, so, do not need special technique, processing, in the original works that utilizes box culvert A1 to form, where necessary, do not cut off for a long time road traffic and just can give seismic resistance, continuity, watertightness to works.
Below, with reference to Figure 13～Figure 15, the 3rd embodiment of the present invention is described.
The joint method of the concrete structure of present embodiment, for being in original underground structures such as sewer of forming of the box culvert B1 as concrete structure of the square tube shape of rectangle connecting a plurality of cross sectional shapes, to the generation on the box culvert B1 that consists of this original underground structure the method implemented of the fracture site B1x of the fractures such as crackle as shown in Figure 13.About this joint method, together with the explanation of the structure of each one, describe following.In addition, in the present embodiment, be illustrated about the box culvert B1 as concrete products of square tube shape, but the applicable the present invention in three water routes that certainly also can consist of the concrete products that is U word shape when analysing and observe, this concrete products is made of pair of side plates and base plate, and the top is open.And, also can be to the applicable the present invention of the works that has formed by cast-in-place concrete.
In the present embodiment, at aforementioned fracture site B1x, as shown in figure 14, has the otch B1t of the width dimensions w3 larger than this fracture site B1x in the inner surface side setting of breaking portion.Inside at this otch, with above-mentioned the 2nd embodiment similarly, and as shown in Figure 15, from the external surface side inward faces side of box culvert B1, junction surface B2 is set, this junction surface B2 consists of by placement of adhesives B21 respectively with as the supporting encapsulant B22 that has been formed by apolar substance of supporting material.Here, aforementioned otch B1t is by utilizing concrete cutter etc. that original box culvert B1 otch is formed.
Aforementioned junction surface B2 as described above, and as shown in Figure 15, is formed on the inside of the otch of the breaking portion that is formed at box culvert B1, from the past inner surface side of the external surface side of box culvert B1, configuration supporting encapsulant B22 and bonding agent B21 respectively.Here, aforementioned otch B1t forms original box culvert B1 otch by utilizing concrete cutter etc.
Aforementioned supporting encapsulant B22 as shown in figure 15, for have the member of substantially same gauge in whole zone, is formed by apolar substance.In addition, this supporting encapsulant B22 is by being spliced in the state configuration on the bottom surface of aforementioned otch B1t.And, in the space B 2s between the inner surface of the inner surface of this supporting encapsulant B22 and box culvert B1, as shown in Figure 15, inject the bonding agent B21 that engages for the fracture site B1x to box culvert B1.The degree of depth of this space B 2s namely the inner surface from the inner surface of aforementioned supporting encapsulant B22 to box culvert B1 apart from d3, be set to 0.75～1.25 times of width dimensions w3 of aforementioned otch B1t.
Aforementioned bonding agent B21 has and roughly same structure, the roughly similarly configuration of aforementioned the 1st embodiment.That is, this bonding agent B21 as shown in figure 15, is injected into the inboard of aforementioned supporting encapsulant B22 as described above, has the function that the fracture site B1x to box culvert B1 engages.In other words, this bonding agent B21 is configured in the position in the face of the inner space B1s of box culvert B1.Here, the stretch capability of this bonding agent B21 is 100%～250%, and density is 0.8～1.0g/cm
3
Namely, in the present embodiment, when the box culvert B1 to adjacency engages, carry out such program, namely, the position of fracture has been occured in any in top board, sidewall and the base plate of the box culvert B1 that forms original pipeline, by shearing devices such as concrete cutters, form as shown in Figure 14 aforementioned otch B1t, as shown in figure 15, make supporting encapsulant B22 splicing on the bottom surface of this otch B1t, then inject bonding agent B21 to the inboard of this supporting encapsulant B22, wait for until bonding agent B21 solidifies.In addition, when injecting bonding agent B21, carry out processing the same processing of covering with covering of above-mentioned the 1st embodiment.And, in the present embodiment, after having formed the water route, in the displacement of the ground when different sedimentations, earthquake have occured, produce distortion by the layer that is provided with this bonding agent B21, continuity, watertightness between the box culvert B1 that has kept adjoining each other.
As described above like that, according to the joint method of present embodiment, even in the displacement of the ground when different sedimentations, earthquake have occured, the bonding position that is formed by bonding agent B21 is also followed their and is out of shape, and can guarantee continuity, watertightness.That is, be rectangular-shaped or the works such as the water routes such as sewer of the concrete products of U word shape, path to having utilized cross sectional shape, can at a low price, easily give seismic resistance, continuity, watertightness.
In addition, according to this joint method, not needing silane coupling agent yet, so, can realize reducing work hours and the reduction of erection time.
And, according to this job practices, because the operation that forms junction surface B2 can all be carried out in the inside of the box culvert B1 that consists of original works, so, do not need special technique, processing, in original works of utilizing box culvert B1 to form, original works of having formed by concrete cast-in-site, where necessary, do not cut off for a long time road traffic and just can the fracture site B1x of works be repaired, give seismic resistance, continuity, watertightness.
In addition, the invention is not restricted to the above embodiment that has illustrated.
For example, as Figure 16 and shown in Figure 17, also can adopt joint method of the present invention in the bonding part of box culvert C1 and manhole C3.
The junction surface C2 of this form, be formed on box culvert C1 below and manhole C3 between the space in, configure successively supporting encapsulant C22 and bonding agent C21 from the external surface side of manhole C3.Supporting encapsulant C22 under this form, rounded bar-shaped member when analysing and observe, the depth direction in this space configures many adjacently.In addition, under this form, at the external surface of manhole C3, paste for example cladding material C24 of the sheet of rubber system, cover aforementioned supporting encapsulant C22.On the other hand, aforementioned bonding agent C21, same with the bonding agent of above-mentioned the 1st～the 3rd embodiment, the bonding agent of use stretch capability 100%～250%, density 0.8～1.0g/cm3.And, and be located between inverted arch C31 on the bottom of manhole C3 otch C3a be set, insert the insulating element C25 that is formed by foamed polystyrene in this otch C3a.And above this insulating element C25, above surface is in the mode mortar filling C26 with the upper surface flush face of aforementioned inverted arch C31.
According to the joint method of this form, even when the displacement of the ground when different sedimentations, earthquake have occured, also follow their distortion by the bonding position that bonding agent C21 forms, and can guarantee continuity, watertightness.That is, to the bonding part of box culvert C1 and manhole C3, can at a low price, easily give seismic resistance, continuity, watertightness.
And, when forming the junction surface under this form, because whole operations can be carried out in the inside of manhole C3, so, where necessary, do not cut off for a long time road traffic and just can give seismic resistance, continuity, watertightness.
In addition, even when the new works that forms was constructed to laying a plurality of concrete structures that have been pre-formed before the laying of box culvert etc., the such joint method of joint method in the 1st embodiment of the present invention also can be adopted in the junction between the concrete products that adjoins each other certainly.
And, be not limited to connect a plurality of concrete structures that had been pre-formed and the works that forms before laying, for the works that has formed by concrete cast-in-site, also applicable the present invention.Namely, cast on-site concrete and form a plurality of concrete structures and be provided with between the concrete structure that adjoins each other in the works that has formed under the state in gap, also can be by the such joint method of the works of above-mentioned the 2nd embodiment to engaging between concrete structure, the damaged part of the works that also can have been formed cast-in-place concrete by the works of above-mentioned the 3rd embodiment such joint method in addition, engages.And, in original concrete structure of cast on-site concrete and the integral body that formed, also can adopting within it, the complete cycle on surface forms groove, at the bottom surface side of this groove configuration supporting encapsulant, then inject the joint method of bonding agent to the opposition side of the bottom surface of the aforementioned grooves of this supporting encapsulant.In addition, cross sectional shape is not limited to rectangular-shaped cross sectional shape, and pair cross-section is also applicable the present invention of works of other shape such as circular, semicircle.
In addition, also can carry out all distortion in the scope of not damaging purport of the present invention.
The explanation of Reference numeral
1, A1, B1, C1 ... box culvert (concrete products)
2, A2, B2, C2 ... the junction surface
21, A21, B21, C21 ... bonding agent
22, A22, B22, C22 ... the supporting encapsulant.
Claims (8)
1. the joint method of a concrete structure, it is characterized in that: a plurality of cross sectional shapes of interval given size ground laying are the concrete structure of tubular or U word shape, from the inner surface interval of concrete structure part the supporting material of apolar substance is set, by the space between the inner surface of the surface of this supporting material and concrete structure inject stretch capability be 100%～250% and also density be 0.8～1.0g/cm
3Bonding agent, form the junction surface.
2. the joint method of concrete structure according to claim 1 is characterized in that: the degree of depth in described space is 0.75～1.25 times of interval width between concrete structure.
3. the joint method of concrete structure according to claim 1, is characterized in that: at foreign side's configuration external support material of described supporting material.
4. the joint method of a concrete structure, it is characterized in that: be in original concrete structure of tubular or U word shape at cross sectional shape, inner surface complete cycle at described concrete structure forms groove, the inner surface interval of the concrete structure in groove from then on part the supporting material of apolar substance is set, by the space between the inner surface of the surface of this supporting material and concrete structure inject stretch capability be 100%～250% and also density be 0.8～1.0g/cm
3Bonding agent, form the junction surface.
5. the joint method of concrete structure according to claim 4 is characterized in that: described original concrete structure is the concrete structure that the concrete products of tubular or U word shape forms for laying a plurality of cross sectional shapes.
6. the joint method of concrete structure according to claim 5 is characterized in that: form described groove on the inner surface at the described concrete products junction surface each other that adjoins each other.
7. the joint method of concrete structure according to claim 4, is characterized in that: on the inner surface of described concrete structure, form described groove at damaged part.
8. the joint method of concrete structure according to claim 4 is characterized in that: the degree of depth in described space is 0.75～1.25 times of width dimensions in described space.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011253756 | 2011-11-21 | ||
| JP2011-253756 | 2011-11-21 |
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| CN103132594A true CN103132594A (en) | 2013-06-05 |
| CN103132594B CN103132594B (en) | 2016-01-20 |
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| CN201210288481.1A Active CN103132594B (en) | 2011-11-21 | 2012-08-14 | The joint method of concrete structure |
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| Country | Link |
|---|---|
| JP (1) | JP5519737B2 (en) |
| KR (1) | KR101404359B1 (en) |
| CN (1) | CN103132594B (en) |
| TW (1) | TWI512171B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100196A (en) * | 2017-04-18 | 2017-08-29 | 黑龙江省中信路桥材料有限公司 | Spell the combined method in many cabins in box culvert list cabin |
| CN109208641A (en) * | 2018-11-15 | 2019-01-15 | 中国矿业大学 | A kind of king post joint and repositioning method based on assembled underground structure with runback bit function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5829702B2 (en) * | 2014-02-14 | 2015-12-09 | 旭コンクリート工業株式会社 | Sheath tube structure |
| JP5944970B2 (en) * | 2014-10-16 | 2016-07-05 | 植村 誠 | Open shield method |
| JP6290491B1 (en) * | 2017-04-26 | 2018-03-07 | 旭コンクリート工業株式会社 | Method for joining concrete structures |
| JP7007143B2 (en) * | 2017-09-27 | 2022-01-24 | Dic株式会社 | Water stoppage method for concrete structures |
| KR102102367B1 (en) * | 2018-03-07 | 2020-04-21 | 주식회사 준별에프알피산업 | The method for connecting the culvents |
| CN110158666A (en) * | 2019-06-18 | 2019-08-23 | 四川童燊防水工程有限公司 | Building basement top plate subsiding crack plugging structure and its construction method |
| CN112726666A (en) * | 2020-12-30 | 2021-04-30 | 中国二十冶集团有限公司 | Pipe gallery and pipe gallery construction method |
| CN113482180A (en) * | 2021-06-28 | 2021-10-08 | 五冶集团上海有限公司 | Post-cast strip rainwater drainage method |
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| JP2007314965A (en) * | 2006-05-23 | 2007-12-06 | Asahi Concrete Works Co Ltd | Joining method of concrete product and construction method of concrete product |
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| CN109208641A (en) * | 2018-11-15 | 2019-01-15 | 中国矿业大学 | A kind of king post joint and repositioning method based on assembled underground structure with runback bit function |
| CN109208641B (en) * | 2018-11-15 | 2024-03-19 | 中国矿业大学 | Center column node with self-resetting function based on assembled underground structure and resetting method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101404359B1 (en) | 2014-06-09 |
| JP5519737B2 (en) | 2014-06-11 |
| KR20130056159A (en) | 2013-05-29 |
| TW201321582A (en) | 2013-06-01 |
| NZ600890A (en) | 2014-01-31 |
| TWI512171B (en) | 2015-12-11 |
| CN103132594B (en) | 2016-01-20 |
| JP2013130050A (en) | 2013-07-04 |
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