CN103334392A - Road toe wall and construction method thereof - Google Patents
Road toe wall and construction method thereof Download PDFInfo
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- CN103334392A CN103334392A CN2013103027143A CN201310302714A CN103334392A CN 103334392 A CN103334392 A CN 103334392A CN 2013103027143 A CN2013103027143 A CN 2013103027143A CN 201310302714 A CN201310302714 A CN 201310302714A CN 103334392 A CN103334392 A CN 103334392A
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Abstract
The invention discloses a road toe wall which is arranged between a road side ditch and a side slope. The road toe wall comprises a concrete foundation and a whole toe wall FRP (fiber reinforce plastic) structure, wherein the concrete foundation is used for being connected with a foundation; the whole toe wall FRP structure is fixedly arranged above the concrete foundation; the whole toe wall FRP structure comprises an FRP wall body front panel which is arranged on one side, close to the road, at the upper part of the concrete foundation, and the FRP wall body front panel and the side slope form a packing groove used for being filled with a wall body filler. According to the road toe wall, the wall body filler between the FRP wall body front panel and the side slope form a flexible impact energy dissipation structure, when the road toe wall is impacted, by the aid of elastic deformation of the FRP wall body front panel and the elastic buffering action of the wall body filler, the road toe wall has a better impact energy dissipation effect, damage to a person in a vehicle is reduced, and the security of the vehicle and the driving person is protected. The invention further provides a construction method of the road toe wall.
Description
Technical field
The present invention relates to civil engineering highway technology field, particularly a kind of highway spats wall and job practices thereof.
Background technology
The spats wall is the retaining structure that the top side slope of present highway extensively adopts, and adopts cemented rock or concrete material to make, and often build by laying bricks or stones or the construction of cast in situs method at the employing scene.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the front view that dissects of a kind of highway spats wall of the prior art; Fig. 2 is the vertical view of a kind of highway spats wall of the prior art; Fig. 3 is the right view of a kind of highway spats wall of the prior art.
Fig. 1 is arranged between the side slope 03 and the gutter cover plate outside the highway lane of both sides of highway to highway spats wall shown in Figure 3, highway spats wall is arranged along the highway bearing of trend, be arranged on the toe place of side slope 03 on the highway, the spats wall is the highway spats wall of cemented rock material, comprises spats wall wall body 01 and the landfill concrete foundation 02 below the highway horizon.Spats wall wall body 01 is arranged on the top of concrete foundation 02, forms overall structure.About 60 centimetres to 80 centimetres of the loose general employings in spats wall wall body 01 top are highly generally adopted about 60 centimetres to 200 centimetres, about 30 centimetres to 60 centimetres of basis 02 thick general employings.
At present, whole cemented rock or the concrete material of adopting of highway spats wall made, and the rigidity of spats wall wall body 01 is bigger, can't carry out the energy dissipating operation to automobile to the spats wall wall body 01 time in that the traffic accident automobile impacting takes place, effect of energy dissipation is poor, and is bigger to vehicle and driver and crew's damage.
Therefore, how to improve the effect of energy dissipation of highway spats wall, reduce the damage to vehicle and driver and crew, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of highway spats wall, to improve the effect of energy dissipation of highway spats wall, reduce the damage to vehicle and driver and crew.The present invention also provides a kind of job practices of highway spats wall.
For achieving the above object, the invention provides following technical scheme:
A kind of highway spats wall, be used for being arranged between the gutter and side slope of highway, comprise for link to each other with ground and be arranged between described gutter and the described side slope concrete foundation and for the spats wall FRP overall structure that is fixedly installed on above the described concrete foundation;
Described spats wall FRP overall structure comprises: be used for being arranged on the top of described concrete foundation and near a side of described highway, be formed for the FRP wall body front panel of the packing groove of infilled wall body filler with described concrete foundation and described side slope.
Preferably, described spats wall FRP overall structure also comprises be used to the FRP greening retaining casing that is arranged between described FRP wall body front panel and the described side slope;
Described FRP greening retaining casing is arranged at the side that described concrete foundation upper surface is used for the described side slope of next-door neighbour;
The top of described FRP greening retaining casing is provided with a plurality of openings that supply water to described wall body filler; Described FRP greening retaining casing has water inlet.
Preferably, be provided with FRP opening casing between described FRP greening retaining casing and the described FRP wall body front panel; Described FRP opening casing is fixedly set in the upper surface of described concrete foundation;
The opening of described FRP opening casing up.
Preferably, in the described FRP opening casing distributing bar is set, fill concrete in the described FRP opening casing.
Preferably, described FRP opening casing is fitted near first side of described FRP greening retaining casing and the side of described FRP greening retaining casing, and described FRP opening casing and the described first side second side surface opposite and described FRP wall body front panel are fitted.
Preferably, the FRP diaphragm that described spats wall FRP overall structure also comprises perpendicular to described FRP wall body front panel and is used for arranging along the highway bearing of trend, the base of described FRP diaphragm is connected with the end face of described FRP greening retaining casing, and the side of described FRP diaphragm is connected with described FRP wall body front panel.
Preferably, the integrally-built quantity of described spats wall FRP is multistage, between adjacent two sections described spats wall FRP overall structures the connection seam is set;
Between the integrally-built casing composition of the adjacent two sections described spats wall FRP plate FRP plate that connects both is set, described casing is formed web, top board, base plate and the described FRP wall body front panel that plate comprises the base plate of described FRP opening casing, described FRP greening retaining casing;
Between the integrally-built described FRP diaphragm that closes on of adjacent two described spats wall FRP joint cast-in-situ concrete is set.
Preferably, also comprise be used to the FRP grid that is arranged on described wall body filler top;
Described FRP grid has for the first side that is connected with described FRP diaphragm and the second side that is used for being connected with described FRP wall body front panel.
Preferably, also comprise the rubble french drain, described rubble french drain comprises be used to the first rubble french drain portion that is arranged on described wall body filler below with for the second rubble french drain portion that is arranged between described side slope and the described wall body filler;
Described rubble french drain external surface is enclosed with geotextiles.
Preferably, the top side wall of described FRP greening retaining casing is provided with the tapping pipe of downward-sloping layout, and described tapping pipe passes described FRP wall body front panel away from an end of described FRP greening retaining casing;
The top of described FRP greening retaining casing is provided with the FRP muscle in the opening of described wall body filler water supply;
Described FRP muscle is wrapped with geotextiles, and described geotextiles is used for being connected near the following geotechnological layer of cloth that described FRP afforests the retaining casing with last geotechnological layer of cloth and the described rubble french drain of described rubble french drain near described wall body filler.
Preferably, described FRP wall body front panel is used for being provided with towards the external surface of described highway one side the cultural pattern of background color layer or mould compacting.
The present invention also provides a kind of job practices of highway spats wall, comprises step:
The first step: spats wall FRP overall structure and FRP grid are made in segmentation, described spats wall FRP overall structure comprises FRP diaphragm and the FRP wall body front panel that is connected successively, FRP opening casing and FRP greening retaining casing, the base of described FRP diaphragm is connected with the top of described FRP greening retaining casing, and the side of described FRP diaphragm is connected with described FRP wall body front panel;
Second step: the concrete on concreting basis and health;
The 3rd step: described spats wall FRP overall structure stickup is fixed on the described concrete foundation, described FRP opening casing, described FRP greening retaining casing, described FRP wall body front panel are fixedlyed connected with described concrete foundation;
The 4th step: between the integrally-built casing composition of the adjacent two sections described spats wall FRP plate FRP plate that connects both is set, described casing is formed web, top board, base plate and the described FRP wall body front panel that plate comprises the base plate of described FRP opening casing, described FRP greening retaining casing;
The 5th step: in described FRP opening casing, add distributing bar, install and fix tapping pipe, concreting in the described FRP opening casing;
The 6th step: the joint cast-in-situ concrete between the integrally-built described FRP diaphragm that closes on of adjacent two described spats wall FRP;
The 7th step: installation kit is wrapped with the FRP muscle of geotextiles in the opening at described FRP greening retaining casing top, fill the rubble french drain between described FRP wall body front panel and the side slope, make described FRP muscle be wrapped with geotextiles and be connected with the geotechnological layer of cloth of described rubble french drain external surface, to adding wall body filler between described FRP wall body front panel and the side slope;
The 8th step: at the described wall body filling surface green plants of planting;
The 9th step: described FRP grid is arranged at described wall body filler top, described FRP grid is connected with the top of described FRP wall body front panel and the top of described FRP diaphragm.
From above-mentioned technical scheme as can be seen, highway spats wall provided by the invention arranges FRP wall body front panel in the side near highway, infilled wall body filler in the packing groove that FRP wall body front panel, concrete foundation and side slope form.Because FRP is close with the concrete coefficient of expansion, the highway spats wall of being made up of FRP material and concrete can not be subjected to the variations in temperature in the external world and crack; And FRP is toughness material, and intensity is close to the intensity of reinforcing bar material.FRP wall body front panel with and and side slope between wall body filler form flexible bump energy-dissipating structure; when highway spats wall is subjected to clashing into; the elastic buffer effect of FRP wall body front panel elastic deformation and wall body filler; make highway spats wall provided by the invention to play and clash into effect of energy dissipation preferably; reduction is protected vehicle and internal staff's safety to vehicle and driver and crew's damage.
And originally the experience thrust on slope, top of highway spats wall is less, and its infilled wall body filler can be saved a large amount of cemented rocks or concrete material, is applicable to the deficient area of stone material.
The present invention also provides a kind of job practices of highway spats wall, adopts the method that factory makes and on-the-spot installation combines, and quick construction is convenient.Because above-mentioned highway spats wall has above-mentioned effect, the job practices of highway spats wall provided by the invention also has same technique effect, introduces no longer one by one at this.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view that dissects of a kind of highway spats wall of the prior art;
Fig. 2 is the vertical view of a kind of highway spats wall of the prior art;
Fig. 3 is the right view of a kind of highway spats wall of the prior art;
A kind of highway spats wall that Fig. 4 provides for the embodiment of the invention dissect front view;
The vertical view of a kind of highway spats wall that Fig. 5 provides for the embodiment of the invention;
The right view of a kind of highway spats wall that Fig. 6 provides for the embodiment of the invention;
Fig. 7 is along the A-A side cross sectional view among Fig. 4;
Fig. 8 is along the C-C side cross sectional view among Fig. 5;
Fig. 9 is along the B-B side cross sectional view among Fig. 4;
The integrally-built front view that dissects of spats wall FRP that Figure 10 provides for the embodiment of the invention;
The integrally-built vertical view of spats wall FRP that Figure 11 provides for the embodiment of the invention;
The integrally-built left view of spats wall FRP that Figure 12 provides for the embodiment of the invention;
The structural representation of the concrete foundation that Figure 13 provides for the embodiment of the invention;
Figure 14 is the constructional drawing after spats wall FRP overall structure of the present invention is installed;
Figure 15 is the constructional drawing behind the spats wall spats cast-in-situ concrete casing fill concrete of the present invention.
Mark is as follows in the accompanying drawing:
01-wall body, 02-basis, 03-side slope;
1-FRP wall body front panel, 2-FRP opening casing, 3-FRP greening retaining casing, 4-concrete foundation, 5-FRP diaphragm, 6-tapping pipe, the cast-in-situ concrete of 7-joint, 8-FRP muscle, 9-rubble french drain, 10-wall body filler, 11-FRP grid, 12-green plants, 13-side slope.
The specific embodiment
The invention discloses a kind of highway spats wall, to improve the effect of energy dissipation of highway spats wall, reduce the damage to vehicle and driver and crew.The present invention also provides a kind of job practices of highway spats wall.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Please refer to Fig. 4, Fig. 5 and Fig. 6, a kind of highway spats wall that Fig. 4 provides for the embodiment of the invention dissect front view; The vertical view of a kind of highway spats wall that Fig. 5 provides for the embodiment of the invention.The right view of a kind of highway spats wall that Fig. 6 provides for the embodiment of the invention;
The embodiment of the invention provides a kind of highway spats wall, be used for being arranged between the gutter and side slope of highway, comprise for linking to each other with ground and being arranged on the concrete foundation 4 between described gutter and the described side slope 13 and being used for being fixedly installed on the spats wall FRP(fibre reinforced composites of concrete foundation 4 tops, Fiber Reinforced Polymer) overall structure; Spats wall FRP overall structure comprises: be used for being arranged on the top of concrete foundation 4 and near a side of highway, and be formed for the FRP wall body front panel 1 of the packing groove of infilled wall body filler 10 with concrete foundation 4 and side slope 13.
The highway spats wall that the embodiment of the invention provides arranges FRP wall body front panel 1 in the side near highway, infilled wall body filler 10 in the packing groove that FRP wall body front panel 1, concrete foundation 4 and side slope 13 form.Because FRP is close with the concrete coefficient of expansion, the highway spats wall of being made up of FRP material and concrete can not be subjected to the variations in temperature in the external world and crack; And FRP is toughness material, and intensity is close to the intensity of reinforcing bar material.FRP wall body front panel 1 and and side slope 13 wall body filler 10 between the two form flexible bump energy-dissipating structure; when highway spats wall is subjected to clashing into; FRP wall body front panel 1 elastic deformation; the elastic buffer effect of wall body filler 10 can be offset impact force; the highway spats wall that makes the embodiment of the invention provide can play and clash into effect of energy dissipation preferably; reduction is protected vehicle and internal staff's safety to vehicle and driver and crew's damage.
Need to prove that FRP wall body front panel 1 can adopt 5 millimeters FRP plates, FRP wall body front panel 1 can adopt to side slope incline direction unanimity, also can adopt 4:1 ratio of slope (being high 4 meters tilts 1 meter).The thickness of concrete foundation 4 can adopt thick 30 centimetres to 60 centimetres, certainly, also can adopt other sizes as required.
As Fig. 7, Fig. 8 and shown in Figure 9, in work progress, adjacent two integrally-built seams of spats wall FRP connect by joint cast-in-situ concrete 7.
Further, in order to increase greenbelt at highway, the using value of the highway spats wall that the raising present embodiment provides is preferably elected wall body filler 10 as can plant plant soil.For suitable moisture is provided to green plants, preferably, spats wall FRP overall structure also comprises be used to the FRP greening retaining casing 3 that is arranged between FRP wall body front panel 1 and the side slope 13; The upper surface that FRP greening retaining casing 3 is arranged at concrete foundation 4 is used for a side of next-door neighbour's side slope 13; The top of FRP greening retaining casing 3 is provided with the opening that supplies water to wall body filler 10; The water inlet that FRP greening retaining casing 3 has for water inlet.
Further, in order to improve the intensity of the highway spats wall that the embodiment of the invention provides, preferably between FRP greening retaining casing 3 and FRP wall body front panel 1, be provided with FRP opening casing 2; FRP opening casing 2 is fixedly set in the upper surface of concrete foundation 4; The opening of FRP opening casing 2 up.By fill concrete in FRP opening casing 2, increase the intensity of highway spats wall.
Need to prove that FRP greening retaining casing 3 can 5 millimeters FRP casings of high 30 centimetres wide 30 centimetres wall thickness.Spats cast-in-situ concrete FRP opening casing 2 can adopt 5 millimeters FRP casings of high 30 centimetres loose 30 centimetres wall thickness.Certainly, also can adopt other sizes as required.
Further, be filled with distributing bar in the FRP opening casing 2, finish by concreting again the inside of FRP opening casing 2 is filled.
Need to prove that the distributing bar of filling in the FRP opening casing 2 can adopt the reinforcement fabrication of 12 millimeters of diameters.Certainly, also can adopt different reinforcing bars as required.
Fixing for convenience, with the side of FRP opening casing 2 and the interior side bonds of FRP wall body front panel 1.Be that FRP opening casing 2 is fitted near first side of FRP greening retaining casing 3 and the side of FRP greening retaining casing 3, FRP opening casing 2 and the first side second side surface opposite and FRP wall body front panel 1 are fitted.
The inboard of FRP wall body front panel 1 is that FRP wall body front panel 1 is away from a side of highway.
As Figure 10, Figure 11 and shown in Figure 12, be connected with FRP greening retaining casing 3 for the ease of FRP wall body front panel 1, FRP opening casing 2, make things convenient for the integrally-built carrying of spats wall FRP and the construction intensity of the back spats wall of guaranteeing to construct, spats wall FRP overall structure also comprises the FRP diaphragm of arranging perpendicular to the bearing of trend of FRP wall body front panel 15, the base of FRP diaphragm 5 is connected with the end face of FRP greening retaining casing 3, and the side of FRP diaphragm 5 is connected with FRP wall body front panel 1.
The integrative-structure that FRP wall body front panel, FRP opening casing, FRP greening retaining casing are in turn connected to form and and the FRP diaphragm be connected to form described spats wall FRP overall structure.
The integrally-built quantity of spats wall FRP is multistage, and after construction, the spats wall FRP overall structure of multistage distributes along the highway bearing of trend, is provided with the connection seam between adjacent two sections described spats wall FRP overall structures.Between the integrally-built casing composition of the adjacent two sections spats wall FRP plate FRP plate that connects both is set, casing composition plate comprises the base plate of FRP opening casing 2, web, top board, base plate and the FRP wall body front panel 1 of FRP greening retaining casing 3.The quantity of FRP plate is a plurality of, connects corresponding casing respectively and forms plate.Base plate with FRP opening casing 2 is example, adjacent two sections spats wall FRP overall structures all have the base plate of FRP opening casing 2, the base plate of two FRP opening casings 2 a mutually close end connects by the FRP plate, and namely the FRP plate base plate that is parallel to FRP opening casing 2 fits in seam crossing.Preferably, the base plate of half and one of them FRP opening casing 2 of FRP plate is fitted, the base plate applying of second half and another FRP opening casing 2.
Between the integrally-built FRP diaphragm that closes on of adjacent two spats wall FRP, the joint is set, connects seam and connect by joint cast-in-situ concrete 7.
Need to prove that FRP diaphragm 5 can 5 millimeters thick adopt the FRP plate, can adopt 100 centimetres along highway bearing of trend spacing.50 centimetres of joint concrete seven thickness.The described FRP diaphragm 5 in joint is apart from 25 centimetres of ends.The FRP plate that the joint arranges stickup can adopt the FRP plate of 5 millimeters thick, is 15 centimetres along highway bearing of trend seam both sides length, and 30 centimetres of the FRP plate length overalls that the joint arranges stickup certainly, also can adopt different sizes as required.
As shown in figure 13, preferably concrete foundation 4 is set to cuboid.
Spats wall FRP overall structure also comprises be used to the FRP grid 11 that is arranged on wall body filler 10 tops; FRP grid 11 has for the first side that is connected with FRP diaphragm 5 and the second side that is used for being connected with FRP wall body front panel 1.In order further to strengthen the described integrally-built globality of spats wall FRP and to avoid wall body filler 10 to leak, after infilled wall body filler 10 and greening, cover FRP grid 11 at its top, the first side of FRP grid 11 is connected with FRP diaphragm 5, and the second side of FRP grid 11 is connected with FRP wall body front panel 1.
Need to prove the grid that FRP grid 11 can 10 millimeters spacings.Certainly, also can adopt different sizes as required.
In order evenly to supply water to wall body filler 10, the highway spats wall that the embodiment of the invention provides also comprises be used to being arranged on the rubble french drain 9 between wall body filler 10 and the FRP greening retaining casing 3 and being arranged at FRP muscle 8 in the opening that supplies water to wall body filler 10; 3 casees interior bottoms of next-door neighbour FRP greening retaining casing, FRP muscle 8 lower ends, the bottom of FRP muscle 8 upper ends next-door neighbour's wall body filler 10; FRP muscle 8 is wrapped with geotextiles, and geotextiles is used for being connected near the following geotechnological layer of cloth that FRP afforests retaining casing 3 with last geotechnological layer of cloth and the rubble french drain 9 of rubble french drain 9 near wall body filler 10.Because the geotextiles of FRP muscle 8 outer wrapping is connected near the following geotechnological layer of cloth that FRP afforests retaining casing 3 with last geotechnological layer of cloth and the rubble french drain 9 of rubble french drain 9 near wall body filler 10, make the water in the FRP greening retaining casing 3 flow to wall body filler 10 slowly-releasings by geotextiles along FRP muscle 8, in order to supply water to wall body filler 10 slowly-releasings.
Further, the lower end of FRP muscle 8 is arranged at the bottoms in the FRP greening retaining casing 3 casees, the situation that can't supply water when avoiding FRP greening retaining casing 3 water capacities not enough.
In work progress, the rubble french drain 9 of wall body filler 10 and its below covers with FRP and afforests on the concrete surface of filling in retaining casing 3 and the FRP opening casing 2.FRP greening retaining casing 3 has water supply and two kinds of effects of water storage: moisture more after a little while in wall body filler 10, moisture is supplied water to wall body filler 10 by the opening of the top setting of FRP greening retaining casing 3, keep it to have certain humidity, supply water to the plant that is planted on the wall body filler 10; Moisture (extraneous rainwater etc. enter wall body filler 10) more for a long time in wall body filler 10, moisture stores moisture so that moisture supplies water in wall body filler 10 more after a little while by the opening transporting water that wall body filler 10 arranges to the top of FRP greening retaining casing 3.
The top side wall of FRP greening retaining casing 3 is provided with the tapping pipe 6 of downward-sloping layout, and tapping pipe 6 passes the bottom of FRP wall body front panel 1 away from an end of FRP greening retaining casing 3.When water capacity was excessive in FRP greening retaining casing 3, water leaked near a side of highway to FRP wall body front panel 1 by tapping pipe 6, and draining is to roadside ditch.
Preferably, tapping pipe 6 is the FRP tapping pipe.Can use the PVC tapping pipe, concrete tapping pipe material type does not limit yet.
As Figure 14 and shown in Figure 15, spats wall FRP overall structure is arranged on the concrete foundation 4, because tapping pipe 6 passes FRP wall body front panel 1 away from an end of FRP greening retaining casing 3, and be provided with FRP opening casing 2 between FRP greening retaining casing 3 and the FRP wall body front panel 1, namely tapping pipe 6 passes concrete and the FRP wall body front panel 1 of filling in FRP opening casing 2, the FRP opening casing 2 successively.
Preferably, rubble french drain 9 is L type rubble french drain, comprises be used to the first rubble french drain portion that is arranged on wall body filler 10 bottoms with for the second rubble french drain portion that is arranged between side slope 13 and the wall body filler 10.Namely the second rubble french drain portion is spaced apart with side slope 13 and wall body filler 10, and the first rubble french drain portion holds the retaining release structures of being carried the water in the FRP greening retaining casing 3 of coming by FRP muscle 8.
Further, the green plants 12 of planting on wall body filler 10 surfaces.
Need to prove that rubble french drain 9 is thick can to adopt 15 centimetres.The top top board of FRP greening retaining casing 3 arranges an open pore, 5 centimetres of orifice diameter every 25 centimetres.The FRP muscle 8 of outsourcing geotextiles arranges one every 50 centimetres, and the FRP muscle 8 of outsourcing geotextiles adopts that diameter is 4 centimetres after 3 centimetres of FRP muscle of diameters outsourcing geotextiles.Top, the side open pore of FRP greening retaining casing 3,5 centimetres of orifice diameter.Tapping pipe 6 arranges one, 4 centimetres of external diameters every 200 centimetres.Certainly, also can adopt different sizes as required.
FRP wall body front panel 1 is used for being provided with towards the external surface of highway one side the cultural pattern of background color layer or mould compacting, so that the vehicle that travels on the highway provides information.
Need to prove that cultural pattern can comprise territory, the road characteristic culture factor, the background color of FRP wall body front panel 1 can adopt grey black.Certainly, also can adopt different contents and color as required.
As Fig. 4-shown in Figure 15, the embodiment of the invention also provides a kind of job practices of highway spats wall, comprises step:
S1: make spats wall FRP overall structure, spats wall FRP overall structure comprises FRP wall body front panel 1;
Spats wall FRP overall structure is divided into multistage along the highway bearing of trend, can adopt 4 meters one section along highway bearing of trend section length, and the joint is provided with the connection seam between adjacent two sections spats wall FRP overall structures; Processing and manufacturing spats wall FRP overall structure, spats wall FRP overall structure all adopts the FRP material to make, because the coefficient of expansion of FRP material and concrete material is close, the highway spats wall of being made up of FRP material and concrete can not be subjected to extraneous variations in temperature and crack, and FRP is toughness material, and intensity is close to the intensity of reinforcing bar material; Spats wall FRP overall structure comprises that it has high toughness and intensity be used to the FRP wall body front panel 1 that is arranged near roadside, directly is arranged at both sides of highway side slope bottom.
S2: concreting basis 4;
Concreting basis 4 because the basis of highway spats wall is the bottom of highway spats wall, namely is arranged under the highway horizontal plane and is close to roadside ditch, therefore, selects for use concrete foundation 4 as the bottom of highway spats wall.
S3: spats wall FRP overall structure is fixed on the concrete foundation 4;
After the concrete material of concrete foundation 4 reaches intensity, paste spats wall FRP overall structure, at the integrally-built soffit of spats wall FRP and concrete foundation 4 upper surface brushwork epoxy resin bonding agents, reach the strong bond of spats wall FRP overall structure and concrete foundation 4.
S4: to adding wall body filler 10 between FRP wall body front panel 1 and the side slope 13;
Infilled wall body filler 10 in the holding tank that the inboard of side slope 13, concrete foundation 4 and FRP wall body front panel 1 forms.
Because FRP wall body front panel 1 has high toughness and intensity; between FRP wall body front panel 1 and side slope 13, be provided with wall body filler 10; when FRP wall body front panel 1 elastic deformation; exert pressure to the wall body filler 10 between itself and the side slope 13; elastic buffer effect by wall body filler 10 can be offset impact force; have and clash into effect of energy dissipation preferably, protection vehicle and internal staff's safety.
In order to increase greenbelt, improve the use value of highway spats wall, be specially among the step S1: make spats wall FRP overall structure, spats wall FRP overall structure comprises FRP wall body front panel 1 and FRP greening retaining casing 3, and FRP greening retaining casing 3 tops are provided with opening; Also comprise among the step S3: FRP greening retaining casing 3 is arranged between FRP wall body front panel 1 and the side slope 13; Step S4 is specially: to adding wall body filler 10 between FRP wall body front panel 1 and the side slope 13, wall body filler 10 is covered in the concrete top of filling in FRP greening retaining casing 3 and the FRP opening casing 2.FRP greening retaining casing 3 has water supply and two kinds of effects of water storage: moisture more after a little while in wall body filler 10, moisture is supplied water to wall body filler 10 by the opening of the top setting of FRP greening retaining casing 3, keep it to have certain humidity, supply water to the plant that is planted on the wall body filler 10; Moisture (extraneous rainwater etc. enter wall body filler 10) more for a long time in wall body filler 10, moisture stores moisture so that moisture supplies water in wall body filler 10 more after a little while by the opening transporting water that wall body filler 10 arranges to the top of FRP greening retaining casing 3.
Also comprise before the step S4: in FRP opening casing 2, add distributing bar, to FRP opening casing 2 interior concretings.By in FRP opening casing 2, adding distributing bar and concreting, effectively improved the intensity behind FRP opening casing 2 concretings, because it is arranged between FRP greening retaining casing 3 and the FRP wall body front panel 1, avoid when FRP wall body front panel 1 is subjected to clashing into, FRP being afforested the damage of retaining casing 3, guaranteed the safety in utilization of FRP greening retaining casing 3; And, improved the intensity of the highway spats wall that present embodiment provides.
Further, after the concrete that FRP opening casing 2 is built reached intensity, the joint arranged and pastes FRP plate connection seam between adjacent two sections described spats wall FRP overall structures; After the seam bonding agent reaches intensity, by building the slit between joint cast-in-situ concrete 7 bonding adjacent two spats wall FRP overall structures.Globality and the intensity of the highway spats wall that present embodiment provides have been improved.
Be specially among the step S1: make spats wall FRP overall structure, spats wall FRP overall structure comprises FRP wall body front panel 1, FRP greening retaining casing 3, FRP opening casing 2 and FRP diaphragm 5, FRP greening retaining casing 3 tops are provided with opening, FRP opening casing 2 be arranged at FRP greening retaining casing 3 and FRP wall body front panel 1 between, the opening of FRP opening casing 2 up, the side of FRP diaphragm 5 is connected with FRP wall body front panel 1, and the base of FRP diaphragm 5 is connected with FRP greening retaining casing 3.Be FRP wall body front panel 1, FRP opening casing 2, FRP greening retaining casing 3 be in turn connected into after the one and and FRP diaphragm 5 bonding being connected, form spats wall FRP overall structure.
Further, also comprise among the step S1: make FRP grid 11; Also comprise step after the step S4: FRP grid 11 is arranged at wall body filler 10 tops, FRP grid 11 is connected with the top of FRP wall body front panel 1 and the top of FRP diaphragm 5.FRP grid 11 has for the first side that is connected with FRP diaphragm 5 and the second side that is used for being connected with FRP wall body front panel 1.Be filled between FRP wall body front panel 1 and the side slope 13 and after finishing greening at wall body filler 10, cover FRP grid 11 at its top, the first side of FRP grid 11 is connected with FRP diaphragm 5, the second side of FRP grid 11 is connected with FRP wall body front panel 1, covers the wall body filler 10 after filling.
Also comprise step before the step S4: in the opening of FRP greening retaining casing 3, add the FRP muscle 8 that is enclosed with geotextiles, and at FRP greening retaining casing 3 covering rubble french drains 9, make FRP muscle 8 be wrapped with geotextiles and be connected near the following geotechnological layer of cloth that FRP afforest retaining casings 3 with last geotechnological layer of cloth and the rubble french drain 9 of rubble french drain 9 near wall body fillers 10;
FRP greening retaining casing 3 has water supply and two kinds of effects of water storage: moisture more after a little while in wall body filler 10, moisture is supplied water to wall body filler 10 by the opening of the top setting of FRP greening retaining casing 3, keep it to have certain humidity, supply water to the plant that is planted on the wall body filler 10; Moisture (extraneous rainwater etc. enter wall body filler 10) more for a long time in wall body filler 10, moisture stores moisture so that moisture supplies water in wall body filler 10 more after a little while by the opening transporting water that wall body filler 10 arranges to the top of FRP greening retaining casing 3.The top side wall of FRP greening retaining casing 3 is provided with the tapping pipe 6 of downward-sloping layout, and tapping pipe 6 passes FRP wall body front panel 1 away from an end of FRP greening retaining casing 3.When water capacity was excessive in FRP greening retaining casing 3, water leaked near a side of highway to FRP wall body front panel 1 by tapping pipe 6, and draining is to roadside ditch.
Because tapping pipe 6 passes FRP wall body front panel 1 away from an end of FRP greening retaining casing 3, and be provided with FRP opening casing 2 between FRP greening retaining casing 3 and the FRP wall body front panel 1, namely tapping pipe 6 passes FRP opening casing 2 and FRP wall body front panel 1 successively.Tapping pipe 6 is installed during distributing bar in FRP opening casing 2, is made tapping pipe 6 pass FRP opening casing 2 and FRP wall body front panel 1, construction is finished in cast-in-situ concretes in the FRP opening casing 2 again.
Preferably, tapping pipe 6 is the FRP tapping pipe.Can use the PVC tapping pipe, concrete tapping pipe material type does not limit yet.
Also comprise step after the step S4: the green plants 12 of planting on wall body filler 10 surfaces.
The main beneficial effect of highway pin wall construction job practices that the embodiment of the invention provides is: the spats wall adopts the method that factory makes and on-the-spot installation combines, and quick construction is convenient.
In the present embodiment, concrete job practices is as follows:
The first step: divide multistage to make spats wall FRP overall structure in factory, FRP grid 11 is made in segmentation, and spats wall FRP overall structure is for as mentioned above.
Second step: concrete and health on building-site formwork erection concreting basis 4.
The 3rd step: after the concrete curing on the above-mentioned second step concrete basis 4 reaches intensity, at spats wall FRP overall structure soffit and concrete foundation 4 upper surface brushing bonding agents, the stickup of spats wall FRP overall structure is fixed on the concrete foundation 4.
The 4th step: the above-mentioned the 3rd after the step, bonding agent reached intensity, and the joint adopts bonding agent to paste the FRP plate to connect seam between adjacent two spats wall FRP overall structures.Be between the integrally-built casing composition of the adjacent two sections spats wall FRP plate FRP plate that connects both to be set, casing composition plate comprises the base plate of FRP opening casing 2, web, top board, base plate and the FRP wall body front panel 1 of FRP greening retaining casing 3.
The 5th step: the above-mentioned the 4th after the step, bonding agent reached intensity, added distributing bars in FRP opening casing 2, installed and fixed tapping pipe 6, concretings in the FRP opening casing 2.
The 6th step: after 2 casees interior concrete curings of above-mentioned the 5th step FRP opening casing reach intensity, the joint cast-in-situ concrete 7 between adjacent two integrally-built FRP diaphragms 5 of spats wall FRP.
The 7th step: after above-mentioned the 6th step joint cast-in-situ concrete 7 healths reach intensity, installation kit is wrapped with the FRP muscle 8 of geotextiles in the opening at FRP greening retaining casing 3 tops, fill rubble french drain 9 between FRP wall body front panel 1 and the side slope 13, make FRP muscle 8 be wrapped with geotextiles and be connected with the geotechnological layer of cloth of rubble french drain 9 external surfaces; To adding wall body filler 10 between FRP wall body front panel 1 and the side slope 13, be covered on the rubble french drain 9.
The 8th step: after above-mentioned the 7th step interpolation wall body filler 10 is finished, the green plants 12 of planting on wall body filler 10 surfaces.
The 9th step: above-mentioned the 8th step plants after green plants 12 finishes, and FRP grid 11 is arranged at wall body filler 10 tops, and FRP grid 11 is connected with the top of FRP wall body front panel 1 and the top of FRP diaphragm 5.
Each embodiment adopts the mode of going forward one by one to describe in this manual, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments herein.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. highway spats wall, be used for being arranged between the gutter and side slope (13) of highway, it is characterized in that, comprise for linking to each other with ground and being arranged on the concrete foundation (4) between described gutter and the described side slope (13) and being used for being fixedly installed on the spats wall FRP overall structure of described concrete foundation (4) top;
Described spats wall FRP overall structure comprises: be used for being arranged on the top of described concrete foundation (4) and near a side of described highway, be formed for the FRP wall body front panel (1) of the packing groove of infilled wall body filler (10) with described concrete foundation (4) and described side slope (13).
2. highway spats wall as claimed in claim 1 is characterized in that, described spats wall FRP overall structure also comprises be used to the FRP greening retaining casing (3) that is arranged between described FRP wall body front panel (1) and the described side slope (13);
Described FRP greening retaining casing (3) is arranged at the side that described concrete foundation (4) upper surface is used for the described side slope of next-door neighbour (13);
The top of described FRP greening retaining casing (3) is provided with a plurality of openings that supply water to described wall body filler (10); Described FRP greening retaining casing (3) has water inlet.
3. highway spats wall as claimed in claim 2 is characterized in that, is provided with FRP opening casing (2) between described FRP greening retaining casing (3) and the described FRP wall body front panel (1); Described FRP opening casing (2) is fixedly set in the upper surface of described concrete foundation (4);
The opening of described FRP opening casing (2) up.
4. highway spats wall as claimed in claim 3 is characterized in that, in the described FRP opening casing (2) distributing bar is set, the interior fill concrete of described FRP opening casing (2).
5. as claim 3 or 4 described highway spats walls, it is characterized in that, described FRP opening casing (2) is fitted near first side of described FRP greening retaining casing (3) and the side of described FRP greening retaining casing (3), and described FRP opening casing (2) is fitted with the described first side second side surface opposite and described FRP wall body front panel (1).
6. highway spats wall as claimed in claim 5, it is characterized in that, the FRP diaphragm (5) that described spats wall FRP overall structure also comprises perpendicular to described FRP wall body front panel (1) and is used for arranging along the highway bearing of trend, the base of described FRP diaphragm (5) is connected with the end face of described FRP greening retaining casing (3), and the side of described FRP diaphragm (5) is connected with described FRP wall body front panel (1).
7. highway spats wall as claimed in claim 6 is characterized in that, the integrally-built quantity of described spats wall FRP is multistage, between adjacent two sections described spats wall FRP overall structures the connection seam is set;
Between the integrally-built casing composition of the adjacent two sections described spats wall FRP plate FRP plate that connects both is set, described casing is formed web, top board, base plate and the described FRP wall body front panel (1) that plate comprises the base plate of described FRP opening casing (2), described FRP greening retaining casing (3);
Between the integrally-built described FRP diaphragm (5) that closes on of adjacent two described spats wall FRP joint cast-in-situ concrete (7) is set.
8. highway spats wall as claimed in claim 1 is characterized in that, also comprises be used to the FRP grid (11) that is arranged on described wall body filler (10) top;
Described FRP grid (11) has for the first side that is connected with described FRP diaphragm (5) and the second side that is used for being connected with described FRP wall body front panel (1).
9. highway spats wall as claimed in claim 1, it is characterized in that, also comprise rubble french drain (9), described rubble french drain (9) comprises be used to the first rubble french drain portion that is arranged on described wall body filler (10) below with for the second rubble french drain portion that is arranged between described side slope (13) and the described wall body filler (10);
Described rubble french drain (9) external surface is enclosed with geotextiles.
10. highway spats wall as claimed in claim 9, it is characterized in that, the top side wall of described FRP greening retaining casing (3) is provided with the tapping pipe (6) of downward-sloping layout, and described tapping pipe (6) passes described FRP wall body front panel (1) away from an end of described FRP greening retaining casing (3);
The top of described FRP greening retaining casing (3) is provided with FRP muscle (8) in the opening of described wall body filler (10) water supply;
Described FRP muscle (8) is wrapped with geotextiles, and described geotextiles is used for being connected near the following geotechnological layer of cloth that described FRP afforests retaining casing (3) with last geotechnological layer of cloth and the described rubble french drain (9) of described rubble french drain (9) near described wall body filler (10).
11., it is characterized in that described FRP wall body front panel (1) is used for being provided with towards the external surface of described highway one side the cultural pattern of background color layer or mould compacting as each described highway spats wall of claim 1-10.
12. the job practices of a highway spats wall is characterized in that, comprises step:
The first step: spats wall FRP overall structure and FRP grid (11) are made in segmentation, described spats wall FRP overall structure comprises FRP diaphragm (5) and the FRP wall body front panel (1) that is connected successively, FRP opening casing (2) and FRP greening retaining casing (3), the base of described FRP diaphragm (5) is connected with the top of described FRP greening retaining casing (3), and the side of described FRP diaphragm (5) is connected with described FRP wall body front panel (1);
Second step: concrete and the health of concreting basis (4);
The 3rd step: described spats wall FRP overall structure stickup is fixed on the described concrete foundation (4), described FRP opening casing (2), described FRP greening retaining casing (3), described FRP wall body front panel (1) are fixedlyed connected with described concrete foundation (4);
The 4th step: between the integrally-built casing composition of the adjacent two sections described spats wall FRP plate FRP plate that connects both is set, described casing is formed web, top board, base plate and the described FRP wall body front panel (1) that plate comprises the base plate of described FRP opening casing (2), described FRP greening retaining casing (3);
The 5th step: in described FRP opening casing (2), add distributing bar, install and fix tapping pipe (6), to the interior concreting of described FRP opening casing (2);
The 6th step: the joint cast-in-situ concrete (7) between the integrally-built described FRP diaphragm (5) that closes on of adjacent two described spats wall FRP;
The 7th step: the FRP muscle (8) that is wrapped with geotextiles to the interior installation kit of opening at described FRP greening retaining casing (3) top, fill rubble french drain (9) between described FRP wall body front panel (1) and the side slope (13), make described FRP muscle (8) be wrapped with geotextiles and be connected with the geotechnological layer of cloth of described rubble french drain (9) external surface, to adding wall body filler (10) between described FRP wall body front panel (1) and the side slope (13);
The 8th step: the green plants (12) of planting on described wall body filler (10) surface;
The 9th step: described FRP grid (11) is arranged at described wall body filler (10) top, described FRP grid (11) is connected with the top of described FRP wall body front panel (1) and the top of described FRP diaphragm (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310302714.3A CN103334392B (en) | 2013-07-18 | 2013-07-18 | Highway spats wall and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310302714.3A CN103334392B (en) | 2013-07-18 | 2013-07-18 | Highway spats wall and construction method thereof |
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| CN103334392A true CN103334392A (en) | 2013-10-02 |
| CN103334392B CN103334392B (en) | 2016-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110656605A (en) * | 2019-10-10 | 2020-01-07 | 岳阳市公路桥梁基建总公司 | UHPFRC assembled road protection wall and construction method |
| CN112921870A (en) * | 2021-02-03 | 2021-06-08 | 江西龙正科技发展有限公司 | Ultra-high strength concrete UHPC anti-collision wall |
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| CN101736707A (en) * | 2009-12-15 | 2010-06-16 | 中国科学院水利部成都山地灾害与环境研究所 | Novel energy consumption damping stone blocking structure |
| CN102797209A (en) * | 2012-09-06 | 2012-11-28 | 南京工业大学 | Buffering energy-absorbing type composite material anti-collision curb |
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| CN2396096Y (en) * | 1999-12-08 | 2000-09-13 | 北京深华科交通工程有限公司 | Central dividing concrete guard fence of highway, with dizzy-prevention feature and capable of irrigating and planting tree or flower |
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| CN110656605A (en) * | 2019-10-10 | 2020-01-07 | 岳阳市公路桥梁基建总公司 | UHPFRC assembled road protection wall and construction method |
| CN112921870A (en) * | 2021-02-03 | 2021-06-08 | 江西龙正科技发展有限公司 | Ultra-high strength concrete UHPC anti-collision wall |
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| CN103334392B (en) | 2016-05-04 |
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