CN103334393A - Highway wall type anti-collision guardrail and construction method thereof - Google Patents
Highway wall type anti-collision guardrail and construction method thereof Download PDFInfo
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- CN103334393A CN103334393A CN2013103028339A CN201310302833A CN103334393A CN 103334393 A CN103334393 A CN 103334393A CN 2013103028339 A CN2013103028339 A CN 2013103028339A CN 201310302833 A CN201310302833 A CN 201310302833A CN 103334393 A CN103334393 A CN 103334393A
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Abstract
The invention discloses a highway wall type anti-collision guardrail, which comprises an FRP left side anti-collision energy dissipation hollow box body and an FRP right side anti-collision energy dissipation hollow box body which are symmetric in the extending direction of the highway and arranged at intervals, and a concrete wall body poured in a middle cavity formed by the FRP left side anti-collision energy dissipation hollow box body and the FRP right side anti-collision energy dissipation hollow box body. The two sides of the wall type guardrail provided by the invention are wrapped with the FRP left side anti-collision energy dissipation hollow box body and the FRP right side anti-collision energy dissipation hollow box body, the flexibility of the FRP structure is larger, and the energy dissipation effect is excellent, so once a vehicle impacts the wall type anti-collision for the highway, efficient buffering is carried out, damage to the vehicle and personnel is reduced. Meanwhile, the invention further discloses a construction method of the highway wall type anti-collision guardrail. The construction method saves a mount of input cost of templates, the operation is convenient and fast, and the construction quality is greatly improved.
Description
Technical field
The present invention relates to the civil engineering construction technical field, particularly a kind of highway wall formula crash barrier and job practices thereof.
Background technology
Highway wall formula anticollision barrier is the highway barrier form that extensively adopts at present, often adopts the construction of poured in place concrete method.
Fig. 1 is the facade arrangement diagram of prior art highway wall formula anticollision barrier, Fig. 2 is the A-A sectional view of Fig. 1, it is the cross section arrangement diagram of the highway wall formula crash barrier shown in Fig. 1, wherein 01 is that guardrail, 02 is antiglare shield, present highway wall formula anticollision barrier adopts reinforced concrete structure, adopts the construction of formwork erection poured in place concrete method.
Major defect or the deficiency of prior art show:
(1) the whole reinforced concrete structure that adopts of prior art highway wall formula anticollision barrier, rigidity is excessive, and effect of energy dissipation is poor behind the automobile impacting, and it is bigger to vehicle and driver and crew's damage that traffic accident takes place.
(2) on-the-spot formwork erection construction, long construction period, and need a large amount of templates just can finish.
(3) on-the-spot formwork erection construction, presentation qualities such as concrete joint, physical dimension control difficulty is big, and it is attractive in appearance to influence wall formula anticollision barrier, further, influences the overall appearance image of highway.
(4) section construction of cast-in-place concrete structure, the age of concrete difference, appearance color is inconsistent, and is if carry out decorative appearance and need increase expense, uneconomical.
(5) prior art highway wall formula anticollision barrier is runed the dirt pollution of easily being taken out of by vehicle after a period of time, concrete structural surface easily adsorbs dust in addition, and general easy-clear not, the maintenance difficulty, cause that the guardrail appearance color is inconsistent, have a strong impact on the overall appearance image of highway operation stage.
Summary of the invention
In view of this, one of purpose of the present invention provides a kind of highway wall formula anticollision barrier, with defective and the deficiency that overcomes highway wall fence of the prior art, thereby providing a kind of clashes into that good, the crashproof ability of effect of energy dissipation is strong, the highway wall formula anticollision barrier of good looking appearance and the quick and convenient easy maintenance of constructing, and another object of the present invention also is to provide the job practices of above-mentioned highway wall formula anticollision barrier.
For solving the problems of the technologies described above, highway wall formula anticollision barrier provided by the invention, comprise along highway bearing of trend symmetry and be separated by FRP left side crashproof energy dissipating hollow box body, the crashproof energy dissipating hollow box body in FRP right side that arrange and be cast in the described FRP crashproof energy dissipating hollow box body in left side and middle cavities that the crashproof energy dissipating hollow box body in described FRP right side constitutes in concrete wall.
Preferably, also be filled with cranny filler of polyurethane foam in the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in described FRP right side.
Preferably, the crashproof energy dissipating hollow box body in described FRP left side specifically comprises the left side nowel, left side raising middle flask and left side top box, the bottom of wherein said left side raising middle flask links to each other with the top of described left side nowel, the top of described left side raising middle flask links to each other with the bottom of described left side top box, described left side nowel and left side top box are rectangular box, and the distance between the split of described left side top box and the split of described concrete wall is less than the distance between the split of the split of described left side nowel and described concrete wall, the thickness of described left side nowel is greater than the thickness of described left side top box, is connected by described left side raising middle flask gradual transition between described left side nowel and the described left side top box.
Preferably, the crashproof energy dissipating hollow box body in described FRP right side specifically comprises the right side nowel, right side raising middle flask and right side top box, the bottom of wherein said right side raising middle flask links to each other with the top of described right side nowel, the top of described right side raising middle flask links to each other with the bottom of described right side top box, described right side nowel and right side top box are rectangular box, and the distance between the split of described right side top box and the split of described concrete wall is less than the distance between the split of the split of described right side nowel and described concrete wall, the thickness of described right side nowel is greater than the thickness of described right side top box, is connected by described right side raising middle flask gradual transition between described right side nowel and the described right side top box.
Preferably, comprise that also two ends are adhered to the FRP gripper shoe on the described FRP crashproof energy dissipating hollow box body in left side and crashproof energy dissipating casing top, described FRP right side respectively.
Preferably, the left FRP gripper shoe block that also comprises the upper end that is arranged at the crashproof energy dissipating hollow box body in described FRP left side, and the right FRP gripper shoe block that is arranged at the upper end of the crashproof energy dissipating hollow box body in described FRP right side, described FRP gripper shoe is between described left FRP gripper shoe block and described right FRP gripper shoe block.
Preferably, also comprise the FRP antiglare shield that is fixed on the described FRP gripper shoe.
Preferably, also comprise the concrete foundation base that is arranged at the crashproof energy dissipating hollow box body in described FRP left side, the crashproof energy dissipating hollow box body in described FRP right side and described concrete wall bottom, be embedded with anchor bar in the described concrete foundation base, described anchor bar is connected with the distributing bar of setting in the described concrete wall.
Preferably, the crashproof energy dissipating hollow box body in described FRP left side, the crashproof energy dissipating hollow box body in described FRP right side and described concrete wall all arrange along the segmentation of highway bearing of trend, adjacent two sections described FRP crashproof energy dissipating hollow box body joints, left side and crashproof energy dissipating hollow box body joint, adjacent two sections FRP right sides are all pasted by the FRP plate and are connected, adjacent two section concrete body of wall junctions are consistent with the top box overhead height of the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side along the top of the concrete wall of the 50 centimetres of sections in highway bearing of trend front and back, the height of the concrete wall of all the other positions is consistent with the raising middle flask overhead height of the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side, and adjacent two section concrete bodies of wall in the joint before and after the highway bearing of trend anchor bar of 50 centimetres of sections be 2～3 times of other sections.
The job practices of a kind of highway wall formula anticollision barrier that provides among the present invention comprises step:
1) in the whole crashproof energy dissipating hollow box body of the FRP structure of making of factory, the crashproof usefulness hollow box body of this FRP comprises the crashproof energy dissipating hollow box body in left side that FRP links together, the crashproof energy dissipating hollow box body in FRP right side, left side FRP gripper shoe block and right FRP gripper shoe block, wherein, connect as one by the FRP plate between the base plate of left side nowel and right side nowel, adopt the FRP junction plate to connect as one between the top board of left side top box and right side top box, described FRP junction plate, cavities during the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in described FRP right side constitute is then with the structural segmented building site that is transported to of the crashproof energy dissipating hollow box body of described FRP;
2) finish building of concrete foundation base, after treating that described concrete foundation base reaches intensity, throw the brush bonding agent at the upper surface of described concrete foundation base and the bottom surface of the crashproof energy dissipating hollow box body of described FRP structure, and it is described FRP crashproof energy dissipating hollow box body structure and described concrete foundation base is bonding firmly, after treating that bonding agent reaches intensity, adopt the bar planting method that anchor bar is installed, the joint of the crashproof energy dissipating hollow box body of the described FRP of each section structure is bonding by the FRP plate, after treating that bonding agent reaches intensity, the interior distributing bar of concrete wall that installation is to be built, and be connected firmly with described anchor bar, then in concreting body of wall in the cavities;
3) treat the FRP gripper shoe to be installed with being connected on the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side after described concrete wall reaches intensity, in described FRP gripper shoe the FRP antiglare shield is installed then.
The job practices of second kind of highway wall formula anticollision barrier provided by the present invention comprises step:
11) make the crashproof energy dissipating hollow box body in FRP left side, the crashproof energy dissipating hollow box body in FRP right side, left FRP gripper shoe block and right FRP gripper shoe block in factory, with described left FRP gripper shoe block and the bonding formula structure that is integral of the described FRP crashproof energy dissipating hollow box body in left side, be integral the formula structure with the crashproof energy dissipating hollow box body of described right FRP gripper shoe block and described FRP right side is bonding, and segmentation is transported to the building site;
12) finish building of concrete foundation base, after treating that described concrete foundation base reaches intensity, at its surperficial bonding one deck FRP plate, after bonding agent reaches intensity, with the bar planting method anchor bar is installed, on described FRP plate that the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in described FRP right side is bonding firmly, and it is each section described FRP crashproof energy dissipating hollow box body joint, left side and crashproof energy dissipating hollow box body joint, the described FRP of each section right side is bonding by the FRP plate, cavities between the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in described FRP right side, forming, after treating that bonding agent reaches intensity, the interior distributing bar of concrete wall that installation is to be built, and be connected firmly concreting body of wall in middle cavities then with described anchor bar;
13) treat the FRP gripper shoe to be installed with being connected on the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side after described concrete wall reaches intensity, in described FRP gripper shoe the FRP antiglare shield is installed then.
The job practices of the third highway wall formula anticollision barrier provided by the present invention comprises step:
111) make the crashproof energy dissipating hollow box body in FRP left side, the crashproof energy dissipating hollow box body in FRP right side, left FRP gripper shoe block and right FRP gripper shoe block in factory, and the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body segmentation of FRP right side are transported to the building site;
112) the concrete bed reinforcing bar is installed, and installation anchor bar, carry out building of concrete foundation base then, after treating that described concrete bed health reaches intensity, the distributing bar of the concrete wall inside that installation is to be built, and with described anchor bar firm welding, the brush bonding agent is thrown in bottom surface in the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in described FRP right side, to throw the described concrete bed surface be brushed with bonding agent bonding firmly with upper surface, cavities in forming between the described FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in described FRP right side, after treating that bonding agent arrives intensity, concreting body of wall in the cavities in described;
113) treat that described concrete wall health reaches intensity after, with described left FRP gripper shoe block and bonding being integral of the described FRP crashproof energy dissipating hollow box body in left side, with bonding being integral of the crashproof energy dissipating hollow box body of described right FRP gripper shoe block and described FRP right side, the FRP gripper shoe is installed the crashproof energy dissipating hollow box body of the described FRP crashproof energy dissipating hollow box body in left side and FRP right side upper end is connected, in described FRP gripper shoe the FRP antiglare shield is installed then.
Compare as can be seen from the above technical solutions and prior art, highway wall formula protective guard provided by the present invention and highway next-door neighbour's both sides are respectively arranged with the FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side, built concrete wall in the middle cavities that the FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side constitute, because the FRP structural flexibility is bigger, effect of energy dissipation is good, in case therefore Vehicular impact on highway wall formula anticollision barrier after, can effectively cushion, reduce the damage to vehicle and personnel; Highway wall formula protective guard outside is FRP hollow box body structure, and inside is in-situ concrete wall, forms the anti-collision structure of FRP structure and reinforced concrete structure composite force, and FRP structure and steel strength approach, and crashproof ability is strong; Be provided with the FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side because wrap respectively the both sides of highway wall formula protective guard provided by the present invention, this just can be avoided because of the different inconsistent phenomenons of appearance color that produce in the length of time of each section concrete body of wall; The job practices of highway wall formula protective guard provided by the present invention can be saved a large amount of templates that adopt in the present highway wall formula protective guard work progress simultaneously, the FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side itself namely can be finished the construction of concrete wall as formwork for placing, and need not the template dismounting, this cost that just effectively reduces template drops into, effectively accelerated simultaneously construction speed, improved workmanship greatly, highway wall formula protective guard appearance provided by the present invention is the FRP structure simultaneously, the surface is difficult for the absorption dust, and is easy to maintenance.
Description of drawings
Fig. 1 is that highway wall formula anticollision barrier facade is arranged schematic diagram in the prior art;
Fig. 2 is the A-A cross-sectional schematic of the highway wall formula anticollision barrier shown in Fig. 1;
Fig. 3 arranges schematic diagram for the highway wall formula anticollision barrier facade that the embodiment of the invention provides;
Fig. 4 is the schematic top plan view of the highway wall formula anticollision barrier shown in Fig. 3;
Fig. 5 is the A-A sectional view of the highway wall formula anticollision barrier shown in Fig. 3;
FRP case construction schematic diagram outside the highway wall formula anticollision barrier that provides in the embodiment of the invention is provided Fig. 6;
Fig. 7 is the B-B sectional view of Fig. 6;
The highway wall formula anticollision barrier outside FRP casing that Fig. 8 provides for the embodiment of the invention is filled the organigram behind the gap filler;
The highway wall formula anticollision barrier outside FRP casing that Fig. 9 provides for the embodiment of the invention fill gap filler and with organigram after anchor bar is connected;
Figure 10 is the C-C sectional view of Fig. 9;
Organigram behind the highway wall formula anticollision barrier concreting body of wall that Figure 11 provides for the embodiment of the invention;
The organigram of each section concrete body of wall joint behind the highway wall formula anticollision barrier concreting body of wall that Figure 12 provides for the embodiment of the invention;
Figure 13 is the B-B sectional view of Figure 11;
The highway wall formula anticollision barrier gripper shoe that Figure 14 provides for the embodiment of the invention is installed the back organigram.
Wherein, 01-guardrail, 02-antiglare shield;
The crashproof energy dissipating hollow box body in 1-FRP left side, 11-left side nowel, 12-left side raising middle flask, 13-left side top box, the crashproof energy dissipating hollow box body in 2-FRP right side, 21-right side nowel, 22-right side raising middle flask, 23-right side top box, cavities among the 3-, the 31-concrete wall, 41-left side FRP gripper shoe block, the right FRP gripper shoe of 42-block, 5-FRP gripper shoe, the 6-anchor bar, 7-FRP antiglare shield, 8-concrete foundation base.
The specific embodiment
One of core purpose of the present invention provides a kind of highway wall formula anticollision barrier, this highway wall formula anticollision barrier is along the bearing of trend of highway symmetry and be arranged at intervals with the FRP crashproof energy dissipating hollow box body in left side and the crashproof energy dissipating hollow box body in FRP right side respectively, and be cast in concrete wall in the middle cavities that is constituted by the crashproof energy dissipating hollow box body in FRP left side and the crashproof energy dissipating hollow box body in FRP right side, this kind highway wall formula anticollision barrier can effectively be alleviated impact when bump, reduce the impact that bump produces vehicle and people, another object of the present invention also is to provide the job practices of above-mentioned highway wall formula anticollision barrier.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
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. 3 to Figure 14, the disclosed highway wall of embodiment of the invention formula anticollision barrier comprises along the symmetrically arranged FRP crashproof energy dissipating hollow box body 1 in left side of highway bearing of trend and the crashproof usefulness hollow box body 2 in FRP right side, and the crashproof energy dissipating hollow box body 1 in FRP left side arranges at interval with the crashproof usefulness hollow box body 2 in FRP right side, thereby between the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof usefulness hollow box body 2 in FRP right side, formed middle cavities 3, built concrete wall 31 in the middle cavities 3.
Wherein need to prove, the both sides that the FRP crashproof energy dissipating hollow box body of mentioning in the present embodiment 1 in left side and the crashproof usefulness hollow box body 2 in FRP right side lay respectively at the cast-in-place concrete wall 31 in middle part, and highway wall formula crash barrier is speedway or Class I highway median barrier in the present embodiment, vehicle is when keeping to the right, guardrail is positioned at the left side of vehicle, the left side of described guardrail refers to that specifically vehicle is when keeping to the right, highway wall formula crash barrier and vehicle one side farthest, the another side of highway wall formula crash barrier is the right side near the one side of vehicle namely, when highway turns around when the opposite side highway travels, the crashproof energy dissipating hollow box body 2 in FRP right side originally namely changes the crashproof energy dissipating hollow box body 1 in FRP left side into, because the crashproof energy dissipating hollow box body 1 in FRP left side and hollow case 2 bodies of the crashproof energy dissipating in FRP right side are about the split symmetry of highway wall formula anticollision barrier, so the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side are on all four.
As can be seen from the above embodiments, concrete wall 31 is positioned at the middle part, the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side are packaged in the both sides of concrete wall 31 respectively, because the FRP structural flexibility is bigger, effect of energy dissipation is good, in case therefore Vehicular impact on highway wall formula anticollision barrier after, can effectively cushion, reduce the damage to vehicle and personnel; Highway wall formula protective guard outside is FRP hollow box body structure, and inside is in-situ concrete wall, forms the anti-collision structure of FRP structure and reinforced concrete structure composite force, and FRP structure and steel strength approach, and crashproof ability is strong; Because wrapping respectively, the both sides of highway wall formula protective guard are provided with the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side simultaneously, this just can be avoided improving integral aesthetic property because of the different inconsistent phenomenons of appearance color that produce in the length of time of each section concrete body of wall.
For resistance to deformation and the crashproof shock-absorbing capacity of the highway wall formula protective guard that provides in above-described embodiment further are provided, preferably also in the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side, also be filled with cranny filler of polyurethane foam in the present embodiment.
The FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side can have various ways, the crashproof energy dissipating hollow box body 1 in FRP left side that provides in the present embodiment specifically comprises left side nowel 11, left side raising middle flask 12 and left side top box 13, wherein the top of left side raising middle flask 12 links to each other with the bottom of left side top box 13, the bottom of left side raising middle flask 12 links to each other with the top of left side nowel 11, and left side nowel 11 and left side top box 13 are rectangular box, as shown in Figure 6, and the distance between the split of the split of left side top box 13 and concrete wall 31 is less than the split of left side nowel 11 and the distance between concrete wall 31 splits, and the thickness of left side nowel 11 is greater than the thickness of left side top box 13, be connected by left side raising middle flask 12 gradual transition between left side top box 13 and the left side nowel 11, the thickness direction of mentioning in the present embodiment is the direction of disposing with the highway bearing of trend, the i.e. width of highway;
Equally, the crashproof energy dissipating hollow box body 2 in FRP right side specifically comprises right side nowel 21, right side raising middle flask 22 and right side top box 23, wherein the bottom of right side raising middle flask 22 links to each other with the top of right side nowel 21, the top of right side raising middle flask 22 links to each other with the bottom of right side top box 23, right side nowel 21 and right side top box 23 are rectangular box, and the distance between the split of the split of right side top box 23 and concrete wall 31 is less than the distance between the split of the split of right side nowel 21 and concrete wall 31, the thickness of right side nowel 21 is greater than the thickness of right side top box 23, be connected by right side raising middle flask 22 gradual transition between right side top box 23 and the right side nowel 21, as shown in Figure 6.
Need to prove, the left side nowel 11 of the crashproof energy dissipating hollow box body 1 in FRP left side in the highway wall formula anticollision barrier that provides in above-described embodiment highly is 30 centimetres, width is 15 centimetres, left side top box 13 highly is 42.5 centimetres, width is 7.5 centimetres, and raising middle flask 12 bottom widths in left side are 15 centimetres, upwards narrows gradually thus, and gradual transition is to consistent with left side top box 13 bottom widths 7.5 centimetres, and the height of left side raising middle flask 12 is 30 centimetres; Equally, the right side nowel 21 of the crashproof energy dissipating hollow box body 2 in FRP right side highly is 30 centimetres, width is 15 centimetres, right side top box 23 highly is 42.5 centimetres, width is 7.5 centimetres, raising middle flask 22 bottom widths in right side are 15 centimetres, upwards narrow gradually thus, and gradual transition arrives 7.5 centimetres consistent with right side top box 23 bottom widths, and the height of right side raising middle flask 22 also is 30 centimetres, wherein, the thickness that constitutes the FRP plate of the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side in the present embodiment all can adopt 4 millimeters, can adopt other sizes as the case may be certainly.
Simultaneously, spacing between the FRP crashproof energy dissipating hollow box body 1 in left side and crashproof energy dissipating hollow box body 2 bottoms, FRP right side is 30 centimetres, spacing between left side top box 13 and the right side top box 23 is 15 centimetres, the thickness of left side nowel 11 and right side nowel 21 is 15 centimetres, the bottom overall width of this highway wall formula anticollision barrier is 60 centimetres thus, can certainly adopt other sizes as the case may be.
Further, also be provided with FRP gripper shoe 5 in the present embodiment, FRP gripper shoe 5 is arranged on the FRP crashproof energy dissipating hollow box body 1 in left side and crashproof energy dissipating casing 2 tops, FRP right side, and the two ends of FRP gripper shoe 5 are set up respectively and are bonded on FRP crashproof energy dissipating hollow box body 1 top, left side and crashproof energy dissipating casing 2 tops, FRP right side, the FRP crashproof energy dissipating hollow box body 1 in left side and crashproof energy dissipating casing 2 tops, FRP right side can be connected like this, strengthen stability and the soundness of highway wall formula anticollision barrier integral body.
Need to prove that it is 24 centimetres that FRP gripper shoe 5 can adopt the width of vertical highway bearing of trend, highly is 7.5 centimetres FRP casing, the thickness that wherein constitutes the FRP plate of FRP casing is 4 millimeters.
The left FRP gripper shoe block 41 and the right FRP gripper shoe block 42 that is arranged on the upper end of the crashproof energy dissipating hollow box body 2 in FRP right side of the upper end that is arranged on the crashproof energy dissipating hollow box body 1 in FRP left side also are provided in the highway wall formula anticollision barrier that provides in the present embodiment, and wherein FRP gripper shoe 5 is between left FRP support limit stop 41 and right FRP support limit stop 42.
Concrete, it is 2.5 centimetres that left side FRP gripper shoe block 41 and right FRP gripper shoe block 42 are width, it highly is 7.5 centimetres FRP casing, the thickness that wherein constitutes the FRP plate of FRP casing is 4 millimeters, so, FRP left side energy dissipating hollow box body 1 bottom is 110 centimetres to the overall height at left FRP gripper shoe block 41 tops, FRP right side energy dissipating hollow box body 2 bottoms are similarly 110 centimetres to the overall height at right FRP gripper shoe block 42 tops, all leave 0.5 centimetre seam between FRP gripper shoe 5 and left FRP gripper shoe block 41 and the right FRP gripper shoe block 42, so, the width at this highway wall formula anticollision barrier top is 30 centimetres.Certainly, also can adopt other sizes as the case may be.
The highway wall formula anticollision barrier that provides in the present embodiment also comprises the FRP antiglare shield 7 that is arranged on the FRP gripper shoe 5, should prevent that it highly was 70 centimetres that the dizzy plate 7 of FRP can adopt, the width of vertical highway bearing of trend is 7.5 centimetres FRP casing, the thickness that wherein constitutes the FRP plate of FRP casing is 5 millimeters, can certainly adopt other sizes as the case may be.
So far, the highway wall formula anticollision barrier that provides among the present invention has formed the composite construction of outside FRP casing and inner steel concrete.
For further prioritization scheme, also comprise the concrete foundation base 8 that is arranged on the crashproof energy dissipating hollow box body 1 in FRP left side, the crashproof energy dissipating hollow box body 2 in FRP right side and concrete wall 31 bottoms in the present embodiment, and be embedded with anchor bar 6 in the concrete foundation base 8, anchor bar 6 is arranged along the bearing of trend of highway, and anchor bar 6 is connected firmly with the concrete wall 31 interior distributing bars that arrange.
Need to prove, 15 centimetres of concrete foundation base 8 height, 60 centimetres of width, anchor bar 6 can adopt 25 millimeters reinforcing bars of diameter, cavities 3 interior cast-in-place concrete wall 31 distributing bars can adopt 12 millimeters reinforcement fabrications of diameter in described, can adopt other sizes as the case may be certainly.
In the process of practice of construction, the crashproof energy dissipating hollow box body 1 in FRP left side, the crashproof energy dissipating hollow box body 2 in FRP right side and described concrete wall 31 all arrange along the segmentation of highway bearing of trend, be that the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side are finished in segmentation, concreting body of wall 31 in the middle cavities 3 that the crashproof energy dissipating hollow box body 1 in FRP left side and the crashproof energy dissipating hollow box body 2 in FRP right side constitute then, therefore concrete wall 31 and the crashproof energy dissipating hollow box body of FRP all are multistage be combined intos, and adjacent two sections FRP crashproof energy dissipating hollow box body 1 joint, left side and crashproof energy dissipating hollow box body 2 joints, adjacent two sections FRP right sides are all pasted by the FRP plate and are connected, adjacent two section concrete bodies of wall 31 junctions are consistent with the top box overhead height of the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side along the top of the concrete wall 31 of the 50 centimetres of sections in highway bearing of trend front and back, the height of the concrete wall 31 of all the other positions is consistent with the raising middle flask overhead height of the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side, as shown in Figure 11 and Figure 12, and adjacent two section concrete bodies of wall 31 in the joint before and after the highway bearing of trend anchor bar 6 of 50 centimetres of sections be 2～3 times of other sections, as shown in Figure 10.
Need to prove that FRP is Fiber Reinforced Polymer english abbreviation, i.e. fibre reinforced composites.Fibre reinforced composites were called GFRP(and often claim glass fiber reinforced plastic when fiber adopted glass fiber), GFRP is designated hereinafter simply as FRP, about glass fiber tensile strength 1000MPa, about bonding agent epoxy resin tensile strength 60MPa, glass fiber and epoxy resin can reach about 300MPa in conjunction with back formation GFRP structural strength and steel structure intensity approaches.
The embodiment of the invention is owing to be provided with the crashproof energy dissipating hollow box body of described FRP in described guardrail both sides, act directly on during automobile impacting on the crashproof energy dissipating hollow box body of FRP, the FRP structural flexibility is bigger, and effect of energy dissipation is good, can alleviate the damage to vehicle and personnel after the traffic accident greatly.
In addition, because the crashproof energy dissipating hollow box body of the highway wall formula anticollision barrier that provides in above-described embodiment is the FRP structure, in-situ concrete walls 31 are crashproof in the middle cavities 3, form the anti-collision structure of FRP structure and reinforced concrete structure composite force, FRP structure and steel strength approach, and crashproof ability is strong.
The highway wall formula anticollision barrier appearance color unanimity that the embodiment of the invention provides, good looking appearance, FRP body structure surface are difficult for the absorption dust, and are easy to maintenance.
The embodiment of the invention also discloses the job practices of highway wall formula anticollision barrier simultaneously, specifically comprises step:
S1) adopt mold integral to make the crashproof energy dissipating hollow box body of FRP structure in factory, the crashproof energy dissipating hollow box body of this FRP comprises the crashproof energy dissipating hollow box body 1 in FRP left side that links together, the crashproof energy dissipating hollow box body 2 in FRP right side, left side FRP gripper shoe block 41 and right FRP gripper shoe block 42, wherein, connect as one by the FRP plate between the base plate of left side nowel 11 and right side nowel 21, adopt the FRP junction plate to connect as one between the top board of left side top box 13 and right side top box 23, described FRP junction plate, cavities 3 during the crashproof energy dissipating hollow box body 1 in the described FRP crashproof energy dissipating hollow box body 1 in left side and described FRP left side constitutes, and according to 4 meters one section, segmentation is transported to the building site;
S2) finish building of concrete foundation base 8, after treating that concrete foundation base 8 reaches intensity, throw the brush bonding agent at the upper surface of concrete foundation base 8 and the bottom surface of the crashproof energy dissipating hollow box body of described FRP structure, and it is FRP crashproof energy dissipating hollow box body structure and concrete foundation base 8 is bonding firm, after treating that bonding agent reaches intensity, adopt the bar planting method that anchor bar 6 is installed, the joint of the crashproof energy dissipating hollow box body of each section FRP structure is bonding by the FRP plate, after treating that bonding agent reaches intensity, distributing bar in the installation concrete wall to be built 31, and be connected firmly with anchor bar 6, concreting body of wall 31 in middle cavities 3 then, and in concrete wall 31 ends the concrete baffle plate is set;
S3) treat that described concrete wall 31 reaches and FRP gripper shoe 5 is installed after the intensity the described FRP crashproof energy dissipating hollow box body 1 in left side and crashproof energy dissipating hollow box body 2 upper ends, FRP right side are connected, in described FRP gripper shoe 5 FRP antiglare shields 7 are installed then.
Also disclose the job practices of another kind of highway wall fence in the embodiment of the invention simultaneously, specifically comprised step:
S11) adopt mould to make the crashproof energy dissipating hollow box body 1 in FRP left side, the crashproof energy dissipating hollow box body 2 in FRP right side, left FRP gripper shoe block 41 and right FRP gripper shoe block 42 in factory, with left FRP gripper shoe block 41 and the crashproof energy dissipating hollow box body 1 bonding formula structure that is integral in FRP left side, with right FRP gripper shoe block 42 and the crashproof energy dissipating hollow box body 2 bonding formula structures that are integral in FRP right side, and according to 4 meters one section, segmentation is transported to the building site;
Certainly, also can adopt mold integral to make the combining structure of the FRP crashproof energy dissipating hollow box body 1 in left side and left FRP gripper shoe block 41 in factory, and the combining structure of the crashproof energy dissipating hollow box body 2 in FRP right side and right FRP gripper shoe block 42;
S12) finish building of concrete foundation base 8, after treating that concrete foundation base 8 reaches intensity, at its surperficial bonding one deck FRP plate, after bonding agent reaches intensity, with the bar planting method anchor bar 6 is installed, on the FRP plate that the crashproof energy dissipating hollow box body in the crashproof energy dissipating hollow box body 1 in FRP left side and FRP right side 2 is bonding firmly, and it is each section FRP crashproof energy dissipating hollow box body 1 joint, left side and crashproof energy dissipating hollow box body 2 joints, each section FRP right side is bonding by the FRP plate, cavities 3 between the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side, forming, after treating that bonding agent reaches intensity, distributing bar in the installation concrete wall to be built 31, and be connected firmly with anchor bar 6, concreting body of wall 31 in middle cavities 3 then, and in the end of concrete wall 31 the concrete baffle plate is set;
Certainly, also can be directly the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side be bonded on the upper surface of concrete foundation base 8 and need not bonding FRP plate;
S13) treat that concrete wall reaches and FRP gripper shoe 5 is installed after the intensity FRP crashproof energy dissipating hollow box body 1 in left side and crashproof energy dissipating hollow box body 2 upper ends, FRP right side are connected, in described FRP gripper shoe 5 FRP antiglare shields 7 are installed then.
The embodiment of the invention also discloses the job practices of the third highway wall formula anticollision barrier simultaneously, comprises step:
S111) make the crashproof energy dissipating hollow box body 1 in FRP left side, the crashproof energy dissipating hollow box body 2 in FRP right side, left FRP gripper shoe block 41 and right FRP gripper shoe block 42 in factory, and with described FRP left side crashproof energy dissipating hollow box body 1 and the crashproof energy dissipating hollow box body 2 in FRP right side and divide 4 meters one section to be transported to the building site;
S112) the concrete bed reinforcing bar is installed, and installation anchor bar 6, carry out building of concrete foundation base 8 then, after treating that described concrete bed 8 healths reach intensity, the distributing bar of concrete wall 31 inside that installation is to be built, and with described anchor bar 6 firm welding, throw the brush bonding agent in the described FRP crashproof energy dissipating hollow box body 1 in left side and crashproof energy dissipating hollow box body 2 bottom surfaces, described FRP right side, to throw the described concrete bed 8 be brushed with bonding agent bonding firmly with upper surface, cavities 3 in forming between the described FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in described FRP right side, after treating that bonding agent arrives intensity, to described middle cavities 3 interior concreting bodies of wall 31;
S113) treat that described concrete wall 31 healths reach intensity after, with crashproof energy dissipating hollow box body 1 bonding being integral of described left FRP gripper shoe block and described FRP left side, with crashproof energy dissipating hollow box body 2 bonding being integral of described right FRP gripper shoe block and described FRP right side, FRP gripper shoe 5 is installed the described FRP crashproof energy dissipating hollow box body 1 in left side and crashproof energy dissipating hollow box body 2 upper ends, FRP right side are connected, in described FRP gripper shoe 5 FRP antiglare shield 7 is installed then.
This shows, above-mentioned three kinds of job practicess have realized that all factory makes and on-the-spot the installation combines, improve workmanship greatly, the job practices of highway wall formula protective guard provided by the present invention can be saved a large amount of templates that adopt in the present highway wall formula protective guard work progress simultaneously, the FRP crashproof energy dissipating hollow box body 1 in left side and the crashproof energy dissipating hollow box body 2 in FRP right side itself namely can be finished the construction of concrete wall as formwork for placing, and need not the template dismounting, this cost that just effectively reduces template drops into, effectively accelerated simultaneously construction speed, made that construction is more efficient and convenient.
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.
More than highway wall formula anticollision barrier provided by the present invention and job practices thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (12)
1. highway wall formula anticollision barrier, it is characterized in that, comprise along highway bearing of trend symmetry and FRP left side crashproof energy dissipating hollow box body (1), the crashproof energy dissipating hollow box body in FRP right side (2) that arrange and be cast in described FRP left side crashproof energy dissipating hollow box body (1) and the interior concrete wall (31) of middle cavities (3) that the crashproof energy dissipating hollow box body in described FRP right side (2) constitutes of being separated by.
2. highway wall formula anticollision barrier according to claim 1 is characterized in that, also is filled with cranny filler of polyurethane foam in described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in described FRP right side (2).
3. highway wall formula anticollision barrier according to claim 1, it is characterized in that, the described FRP crashproof energy dissipating hollow box body in left side (1) specifically comprises left side nowel (11), left side raising middle flask (12) and left side top box (13), the bottom of wherein said left side raising middle flask (12) links to each other with the top of described left side nowel (11), the top of described left side raising middle flask (12) links to each other with the bottom of described left side top box (13), described left side nowel (11) and left side top box (13) are rectangular box, and the distance between the split of the split of described left side top box (13) and described concrete wall (31) is less than the distance between the split of the split of described left side nowel (11) and described concrete wall (31), the thickness of described left side nowel (11) is greater than the thickness of described left side top box (13), is connected by described left side raising middle flask (12) gradual transition between described left side nowel (11) and the described left side top box (13).
4. highway wall formula anticollision barrier according to claim 3, it is characterized in that, the crashproof energy dissipating hollow box body in described FRP right side (2) specifically comprises right side nowel (21), right side raising middle flask (22) and right side top box (23), the bottom of wherein said right side raising middle flask (22) links to each other with the top of described right side nowel (21), the top of described right side raising middle flask (22) links to each other with the bottom of described right side top box (23), described right side nowel (21) and right side top box (23) are rectangular box, and the distance between the split of the split of described right side top box (23) and described concrete wall (31) is less than the distance between the split of the split of described right side nowel (21) and described concrete wall (31), the thickness of described right side nowel (21) is greater than the thickness of described right side top box (23), is connected by described right side raising middle flask (22) gradual transition between described right side nowel (21) and the described right side top box (23).
5. highway wall formula anticollision barrier according to claim 1 is characterized in that, comprises that also two ends are adhered to the FRP gripper shoe (5) on described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating casing in described FRP right side (2) top respectively.
6. highway wall formula anticollision barrier according to claim 5, it is characterized in that, the left FRP gripper shoe block (41) that also comprises the upper end that is arranged at the described FRP crashproof energy dissipating hollow box body in left side (1), and the right FRP gripper shoe block (42) that is arranged at the upper end of the crashproof energy dissipating hollow box body in described FRP right side (2), described FRP gripper shoe (5) is positioned between described left FRP gripper shoe block (41) and the described right FRP gripper shoe block (42).
7. highway wall formula anticollision barrier according to claim 5 is characterized in that, also comprises the FRP antiglare shield (7) that is fixed on the described FRP gripper shoe (5).
8. according to any described highway wall formula anticollision barrier of claim 1-7, it is characterized in that, also comprise the concrete foundation base (8) that is arranged at described FRP left side crashproof energy dissipating hollow box body (1), the crashproof energy dissipating hollow box body in described FRP right side (2) and described concrete wall (31) bottom, be embedded with anchor bar (6) in the described concrete foundation base (8), described anchor bar (6) is connected with the distributing bar of setting in the described concrete wall (31).
9. highway wall formula anticollision barrier according to claim 8, it is characterized in that, described FRP left side crashproof energy dissipating hollow box body (1), the crashproof energy dissipating hollow box body in described FRP right side (2) and described concrete wall (31) all arrange along the segmentation of highway bearing of trend, adjacent two sections described FRP left side crashproof energy dissipating hollow box body (1) and the adjacent crashproof energy dissipating hollow box body in two sections FRP right sides (2) are all pasted by the FRP plate and are connected, adjacent two section concrete body of wall (31) junctions are consistent with the top box overhead height of described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in FRP right side (2) along the top of the concrete wall (31) of the 50 centimetres of sections in highway bearing of trend front and back, the height of the concrete wall of all the other positions (31) is consistent with the raising middle flask overhead height of described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in FRP right side (2), and adjacent two section concrete bodies of wall (31) are 2～3 times of other sections in the joint along the anchor bar (6) of the 50 centimetres of sections in highway bearing of trend front and back.
10. the job practices of a highway wall formula anticollision barrier is characterized in that, comprises step:
1) in the whole crashproof energy dissipating hollow box body of the FRP structure of making of factory, the crashproof energy dissipating hollow box body of this FRP comprises the FRP left side crashproof energy dissipating hollow box body (1) that links together, the crashproof energy dissipating hollow box body in FRP right side (2), left side FRP gripper shoe block (41) and right FRP gripper shoe block (42), wherein, connect as one by the FRP plate between the base plate of left side nowel (11) and right side nowel (21), adopt the FRP junction plate to connect as one between the top board of left side top box (13) and right side top box (23), described FRP junction plate, cavities (3) during described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in described FRP right side (2) constitute is then with the structural segmented building site that is transported to of the crashproof energy dissipating hollow box body of described FRP;
2) finish building of concrete foundation base (8), after treating that described concrete foundation base (8) reaches intensity, throw the brush bonding agent at the upper surface of described concrete foundation base (8) and the bottom surface of the crashproof energy dissipating hollow box body of described FRP structure, and it is described FRP crashproof energy dissipating hollow box body structure and described concrete foundation base (8) is bonding firmly, after treating that bonding agent reaches intensity, adopt the bar planting method that anchor bar (6) is installed, the joint of the crashproof energy dissipating hollow box body of the described FRP of each section structure is bonding by the FRP plate, after treating that bonding agent reaches intensity, the interior distributing bar of concrete wall (31) that installation is to be built, and be connected firmly concreting body of wall (31) in the cavities (3) in described then with described anchor bar (6);
3) treat FRP gripper shoe (5) to be installed with being connected on described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in FRP right side (2) after described concrete wall (31) reaches intensity, in described FRP gripper shoe (5) FRP antiglare shield (7) is installed then.
11. the job practices of a highway wall formula anticollision barrier is characterized in that, comprises step:
11) make FRP left side crashproof energy dissipating hollow box body (1), the crashproof energy dissipating hollow box body in FRP right side (2), left FRP gripper shoe block (41) and right FRP gripper shoe block (42) in factory, with described left FRP gripper shoe block (41) and the bonding formula structure that is integral of described FRP left side crashproof energy dissipating hollow box body (1), described right FRP gripper shoe block (42) is integral the formula structure with the crashproof energy dissipating hollow box body in described FRP right side (2) is bonding, and segmentation is transported to the building site;
12) finish building of concrete foundation base (8), after treating that described concrete foundation base (8) reaches intensity, at its surperficial bonding one deck FRP plate, after bonding agent reaches intensity, with the bar planting method anchor bar (6) is installed, on described FRP plate that described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in described FRP right side (2) is bonding firmly, and it is each section described FRP crashproof energy dissipating hollow box body (1) joint, left side and the crashproof energy dissipating hollow box body in the described FRP of each section right side (2) joint is bonding by the FRP plate, cavities (3) between described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in described FRP right side (2), forming, after treating that bonding agent reaches intensity, the interior distributing bar of concrete wall (31) that installation is to be built, and be connected firmly concreting body of wall (31) in the cavities (3) in described then with described anchor bar (6);
13) treat FRP gripper shoe (5) to be installed with being connected on described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in FRP right side (2) after described concrete wall (31) reaches intensity, in described FRP gripper shoe (5) FRP antiglare shield (7) is installed then.
12. the job practices of a highway wall formula anticollision barrier is characterized in that, comprises step:
111) make FRP left side crashproof energy dissipating hollow box body (1), the crashproof energy dissipating hollow box body in FRP right side (2), left FRP gripper shoe block (41) and right FRP gripper shoe block (42) in factory, and described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in FRP right side (2) segmentation are transported to the building site;
112) the concrete bed reinforcing bar is installed, and installation anchor bar (6), carry out building of concrete foundation base (8) then, after treating that described concrete bed (8) health reaches intensity, the inner distributing bar of concrete wall (31) that installation is to be built, and with described anchor bar (6) firm welding, the brush bonding agent is thrown in bottom surface in described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in described FRP right side (2), to throw the described concrete bed (8) be brushed with bonding agent bonding firmly with upper surface, cavities (3) in forming between described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in described FRP right side (2), after treating that bonding agent arrives intensity, to the described middle interior concreting body of wall of cavities (3) (31);
113) treat that described concrete wall (31) health reaches intensity after, with described left FRP gripper shoe block (41) and bonding being integral of described FRP left side crashproof energy dissipating hollow box body (1), with described right FRP gripper shoe block (42) and bonding being integral of the crashproof energy dissipating hollow box body in described FRP right side (2), FRP gripper shoe (5) is installed described FRP left side crashproof energy dissipating hollow box body (1) and the crashproof energy dissipating hollow box body in FRP right side (2) upper end are connected, in described FRP gripper shoe (5) FRP antiglare shield (7) is installed then.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103028339A CN103334393A (en) | 2013-07-18 | 2013-07-18 | Highway wall type anti-collision guardrail and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103028339A CN103334393A (en) | 2013-07-18 | 2013-07-18 | Highway wall type anti-collision guardrail and construction method thereof |
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| CN103334393A true CN103334393A (en) | 2013-10-02 |
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| CN2013103028339A Pending CN103334393A (en) | 2013-07-18 | 2013-07-18 | Highway wall type anti-collision guardrail and construction method thereof |
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| CN105350475A (en) * | 2015-11-03 | 2016-02-24 | 北京鸿锐嘉科技发展有限公司 | Crash bearer and manufacturing method thereof |
| CN107419659A (en) * | 2017-03-01 | 2017-12-01 | 山西省交通建设工程质量检测中心（有限公司） | A kind of anti-collision wall type guardrail for existing highway bridge isolation up-downgoing vehicle |
| CN111663475A (en) * | 2020-06-28 | 2020-09-15 | 四川中颐建筑设计院有限责任公司 | Highway traffic safety facility engineering is with highway anticollision sound-proof wall |
| CN112301927A (en) * | 2020-11-27 | 2021-02-02 | 成都城投建筑工程有限公司 | Main line road blocking structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111663475A (en) * | 2020-06-28 | 2020-09-15 | 四川中颐建筑设计院有限责任公司 | Highway traffic safety facility engineering is with highway anticollision sound-proof wall |
| CN112301927A (en) * | 2020-11-27 | 2021-02-02 | 成都城投建筑工程有限公司 | Main line road blocking structure |
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