CN210262555U - Light soil road structure - Google Patents
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- CN210262555U CN210262555U CN201920999357.3U CN201920999357U CN210262555U CN 210262555 U CN210262555 U CN 210262555U CN 201920999357 U CN201920999357 U CN 201920999357U CN 210262555 U CN210262555 U CN 210262555U
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Abstract
The utility model relates to a light soil road structure, which comprises an original soil roadbed, wherein one side of the section of the original soil roadbed is a step-shaped side slope, the light soil roadbed also comprises a side wall surface opposite to the step-shaped side slope, and a light soil roadbed is filled between the side wall surface and the step-shaped side slope; a broken stone cushion isolation belt is laid between the side wall surface and the bottom of the step-shaped slope, a bottom water drainage pipe is arranged in the broken stone cushion isolation belt, and the drainage end of the bottom water drainage pipe penetrates through the side wall surface to drain water outwards; a transverse drain pipe and a macadam blind ditch are also embedded in the lightweight soil subgrade, the macadam blind ditch is arranged on the step-shaped side slope so as to be effectively supported during pouring construction, one end of the transverse drain pipe extends into the macadam blind ditch, and the other end of the transverse drain pipe transversely extends out of the side wall surface to drain water outwards; the macadam blind ditch consists of macadams and impermeable geotextile wrapping the macadams. The utility model discloses a perfect light soil road's functional structure design, the function is more perfect, has improved workability, the popularization and application of the light soil material of being convenient for, road.
Description
Technical Field
The utility model belongs to the technical field of road in the fixed building, concretely relates to light soil road structure.
Background
In modern buildings, the application of the bubble mixed light soil is more and more extensive, and the bubble mixed light soil has the following characteristics when used as a building material: 1) and (3) light weight: and the dry bulk density is 300-1600 kg/m, which is equivalent to about 1/5-1/8 of common cement concrete, so that the whole load of the building can be reduced. 2) Integrity: can be cast and constructed on site, is tightly combined with the main body, and does not need to leave a boundary gap and a ventilation pipe. 3) Low-elasticity shock-absorbing property: the porosity of the air-bubble mixed light soil makes it have a low elastic modulus, thereby making it have good absorption and dispersion effects on impact loads. 4) Pressure resistance: the compressive strength is 0.6-25.0 MPa. 5) Water resistance: the cast-in-place air bubble mixed light soil has small water absorption, relatively independent closed air bubbles and good integrity, so that the cast-in-place air bubble mixed light soil has certain waterproof performance. 6) Durability: the service life of the main engineering is the same. 7) The construction speed is fast: only need to use simple machine can realize automated operation, can realize 800 meters long distance transport, and work load is 150 ~ 300m cultivation/working day. 8) Environmental protection property: the raw materials required by the bubble mixed light soil are cement and a foaming agent, the foaming agent is neutral and does not contain harmful substances such as benzene, formaldehyde and the like, thereby avoiding environmental pollution and fire-fighting hidden danger. 9) The economic efficiency is as follows: the comprehensive cost is low. Such as CN106365680A and CN108317107A, relate to the relevant preparation and application equipment thereof.
In the application process, related process tools for light soil are gradually mature, such as those disclosed in CN108677637A and CN 106758623A; however, some problems are still exposed, such as poor drainage design, complex construction and the like, the formwork used in the cast-in-place process of the cast-in-place method uses a wood formwork, the formwork used in the cast-in-place process uses a steel formwork, such as CN203256558U, the formwork needs to be dismantled and the outer surface treatment needs to be further carried out after the cast-in-place curing, and the process is complex; there is also a form of using prefabricated panels as disclosed in CN105155383A, but the specific connection structure and effective strength used as a form are convenient to ensure, and further refinement and improvement are needed.
Disclosure of Invention
The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide a light soil road structure, gain functional structure design more perfect, can improve the efficiency of construction, effectively guarantee structural strength's effect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a light soil road structure comprises an original soil roadbed, wherein one side of the section of the original soil roadbed is a step-shaped side slope, the light soil roadbed also comprises a side wall surface opposite to the step-shaped side slope, and a light soil roadbed is filled between the side wall surface and the step-shaped side slope; a broken stone cushion isolation belt is laid between the side wall surface and the bottom of the step-shaped slope, a bottom water drainage pipe is arranged in the broken stone cushion isolation belt, and a drainage end of the bottom water drainage pipe penetrates through the side wall surface to drain water outwards; a transverse drain pipe and a macadam blind ditch extending along the length direction of the road are further embedded in the light soil roadbed, the macadam blind ditch is arranged on the step-shaped side slope so as to be effectively supported during pouring construction, one end of the transverse drain pipe extends into the macadam blind ditch, and the other end of the transverse drain pipe transversely extends out of the side wall surface to drain water outwards; the gravel blind ditch is composed of gravel and impermeable geotextile wrapping the gravel.
Further perfecting the technical scheme, the bottom drain pipe and the transverse drain pipe are arranged at intervals in the length direction of the road; a plurality of reinforcement net layers are vertically arranged in the light soil roadbed at intervals; the light soil roadbed is paved with an anti-seepage geomembrane, and the anti-seepage geomembrane is paved with a pavement structure layer.
Furthermore, the side wall surface extends along the length direction of the road, the side wall surface is arranged on a basic bearing platform laid along the length direction of the road, a plurality of stand columns are further arranged on the basic bearing platform at intervals, and the stand columns are positioned on the inner side of the side wall surface and connected with the inner side surface of the side wall surface through a plurality of steel bars so as to reinforce the side wall surface; the side wall surface is formed by building a plurality of rectangular prefabricated panels, the side wall surface is a single-layer wall body, the long sides of the rectangular prefabricated panels are in the same direction with the length direction of a road, four U-shaped rings are pre-embedded in the rectangular prefabricated panels, the annular ends of the U-shaped rings vertically extend out of the inner side surfaces of the rectangular prefabricated panels, the four U-shaped rings are in a group of two and are respectively positioned at two ends of the rectangular prefabricated panels, and the two U-shaped rings in the same group are arranged at intervals up and down so that the four U-shaped rings are respectively close to four corners of the rectangular; the spacing distance between adjacent columns corresponds to the length of the long side of the rectangular prefabricated panel; in the length direction of the road, the upright post is positioned in the middle of two adjacent U-shaped rings and is connected with the two adjacent U-shaped rings through the reinforcing steel bars to form a stable isosceles triangle connection relationship; the upright posts and the reinforcing steel bars are buried in the light soil subgrade.
Further, two rows of vertically adjacent rectangular prefabricated panels are staggered in the length direction of the road, and the staggered size is half of the length of the rectangular prefabricated panels.
Furthermore, the plane of the U-shaped ring is parallel to the long edge of the rectangular prefabricated panel, two adjacent U-shaped rings on two vertically adjacent rectangular prefabricated panels are connected through a connecting rib, and the steel bar is connected to the middle of the connecting rib so as to connect the U-shaped rings through the connecting rib.
Further, the two sets of U-shaped loops on the rectangular prefabricated panel are both 1/4 the distance from the end face where they are located.
Furthermore, two ends of the connecting rib penetrate through the corresponding U-shaped rings and are hook-shaped; and one end of the steel bar connected with the connecting bar penetrates through the space between the connecting bar and the inner side surface of the rectangular prefabricated panel and is in a hook shape.
Further, the basis cushion cap includes the rubble bed course of bottom, be equipped with the concrete foundation layer on the rubble bed course, be equipped with the mounting groove that extends along road length direction on the concrete foundation layer, the lower part of the prefabricated panel of rectangle of side wall face bottom falls into in the mounting groove, the lower part of stand is pre-buried in the concrete foundation layer.
Furthermore, channel steel is pre-embedded in the concrete foundation layer, and an opening of the channel steel faces upwards to form the mounting groove.
Furthermore, two ends of the U-shaped ring are embedded in the rectangular prefabricated panel, and the two ends are connected with reinforcing ribs respectively.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a light soil road structure has perfected drainage design, side wall strength design, makes the functional structure design of overall structure more perfect, improves workability, the popularization and application of the light soil material of being convenient for.
2. The utility model discloses a side wall body uses as the template at the cast-in-place in-process of light soil, pours after solidifying, stand and reinforcing bar just bury underground in light soil road bed and form into a body structure, need not to demolish the side wall face, and the side wall face directly forms the exposed wall body in side of light soil road, simplifies the work procedure, improves the efficiency of construction.
3. The utility model discloses a connection structure of lateral wall body and stand is clear, and intensity is reliable, can provide effectual intensity support in cast-in-place in-process and follow-up use.
Drawings
FIG. 1 is a schematic view of a lightweight soil roadway structure according to an embodiment;
FIG. 2 is a schematic structural view of the side wall connection in the embodiment;
FIG. 3-enlarged view of section A of FIG. 2;
FIG. 4-the right side view of FIG. 2 (showing primarily the stanchion and side wall surfaces);
FIGS. 5-4 are top views;
6-4 (mainly illustrating the side wall splicing condition);
FIG. 7-an isolated schematic view of a rectangular prefabricated panel in a particular embodiment;
8-7;
the anti-seepage concrete roadbed comprises an original soil roadbed 1, a step-shaped slope 11, a light soil roadbed 2, a steel reinforcement net layer 21, an anti-seepage geomembrane 22, a gravel cushion isolation belt 3, a bottom drainage pipe 31, a gravel blind ditch 4, a transverse drainage pipe 41, a pavement structure layer 5, a foundation bearing platform 6, a gravel cushion 61, a concrete foundation layer 62, an installation groove 63, a side wall surface 7, a rectangular prefabricated panel 71, a U-shaped ring 72, reinforcing ribs 73, stand columns 8, reinforcing steel bars 9 and connecting ribs 10.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1, a light soil road structure of a specific embodiment includes an original soil roadbed 1, one side of a cross section of the original soil roadbed 1 is a step-shaped slope 11, and further includes a side wall surface 7 opposite to the step-shaped slope 11, and a light soil roadbed 2 is filled between the side wall surface 7 and the step-shaped slope 11; a broken stone cushion isolation belt 3 is laid between the side wall surface 7 and the bottom of the step-shaped slope 11, a bottom drain pipe 31 is arranged in the broken stone cushion isolation belt 3, and the water discharge end of the bottom drain pipe 31 penetrates through the side wall surface 7 to discharge water outwards; a transverse drain pipe 41 and a macadam blind ditch 4 extending along the length direction of the road are further embedded in the light soil roadbed 2, the macadam blind ditch 4 is arranged on the platform position of the step-shaped side slope 11 so as to be effectively supported during pouring construction, one end of the transverse drain pipe 41 extends into the macadam blind ditch 4, and the other end of the transverse drain pipe transversely extends out of the side wall surface 7 to drain outwards; the macadam blind ditch 4 consists of macadams and impermeable geotextile wrapping the macadams; the corresponding end of the transverse drain pipe 41 penetrates through the impermeable soil and extends into a gravel area wrapped in the impermeable soil, and a plurality of gravel blind ditches 4 are arranged.
In the implementation, the step-shaped side slope 11 on one side of the section of the original soil roadbed 1 is constructed by firstly excavating the original roadbed, the excavation slope rate can be selected to be 1:1, after the slope excavation construction is finished, the excavated original soil is used for filling, the step-shaped side slope 11 is formed on the excavated slope by filling, a section of platform is connected between an upper slope section and a lower slope section, or a section of platform is connected between an upper vertical section and a lower vertical section, namely a common stair step, the filling is shown as a three-stage step-shaped side slope 11 in the embodiment, a platform with a width of three meters is reserved at four meters of each stage from bottom to top, and the filling slope rate is 1: 1. The number of the macadam blind ditches 4 can be several, and preferably, one macadam blind ditch 4 is arranged at the root of each step platform. The width of the broken stone cushion isolation belt 3 is preferably three meters, the maximum particle size of the used material is not more than 5cm, the content of particles smaller than 0.075mm is not more than 10%, and the compaction degree of the broken stone cushion 61 is 93%; the bottom drain pipe 31 is preferably a phi 75PVC drain pipe; the macadam blind ditch 4 is preferably a 300x300 graded macadam blind ditch 4, the transverse drain pipe 41 is preferably a phi 100PVC drain pipe, the unit area mass of the impermeable geotextile wrapping the macadam is not less than 200g/cm for cultivating, the breaking strength is not less than 5kN/m, the trapezoidal tear strength is not less than 0.16kN, the CBR bursting strength is not less than 0.9kN, and the vertical permeability coefficient is not less than 1 x 10 < -1 > cm/s; when in use, the water seepage under the road surface can be collected by the longitudinal macadam blind ditches 4 and then discharged through the transverse drainage pipe 41.
The bottom drain pipe 31 and the transverse drain pipe 41 are arranged at intervals in the length direction of the road, and preferably, one drain pipe is arranged at intervals of five meters; a plurality of reinforcement net layers 21 are vertically arranged in the light soil roadbed 2 at intervals; an anti-seepage geomembrane 22 is paved on the light soil roadbed 2, and a pavement structure layer 5 is paved on the anti-seepage geomembrane 22.
Therefore, the drainage performance and the waterproof and water seepage performance of the light soil road are effectively guaranteed. In implementation, the impermeable geomembrane 22 is preferably of an M2/PE model, the thickness is 2mm, the elongation is more than 50%, the longitudinal and transverse tensile strength is not less than 18kN/M, the longitudinal and transverse right-angle tear strength is not less than 100N/mm, the CBR bursting strength is not less than 6000N, and the vertical permeability coefficient is not more than 5 x 10-11 cm/s; the reinforced bar net layer 21 is preferably arranged in two layers within 100cm of the top and the bottom of the lightweight soil subgrade 2 respectively, and the two layers are arranged in the middle every 5 m.
Referring to fig. 2-8, the side wall surfaces 7 extend along the length direction of the road, the side wall surfaces 7 are arranged on a foundation bearing platform 6 laid along the length direction of the road, a plurality of upright posts 8 are further arranged on the foundation bearing platform 6 at intervals, the upright posts 8 are parallel to the side wall surfaces 7, and the upright posts 8 are positioned on the inner sides of the side wall surfaces 7 and are connected with the inner side surfaces of the side wall surfaces 7 through a plurality of steel bars 9 to fix the side wall surfaces 7; the side wall surface 7 is formed by building a plurality of rectangular prefabricated panels 71, the side wall surface 7 is a single-layer wall body, the thickness of the side wall body corresponds to that of the rectangular prefabricated panels 71, the side wall body is built high by the plurality of rectangular prefabricated panels 71 and extends along the length direction of a road, the long sides of the rectangular prefabricated panels 71 are in the same direction as the length direction of the road, four U-shaped rings 72 are pre-embedded in the rectangular prefabricated panels 71, the annular ends of the U-shaped rings 72 vertically extend out of the inner side surfaces of the rectangular prefabricated panels 71, the four U-shaped rings 72 are in a group of two and are respectively positioned at two ends of the rectangular prefabricated panels 71, and the two U-shaped rings 72 in the same group are arranged at intervals up and down so; the spacing distance between the adjacent upright columns 8 corresponds to the length of the long side of the rectangular prefabricated panel 71; in the length direction of the road, the upright post 8 is positioned in the middle of the two adjacent U-shaped rings 72 and is obliquely connected with the two U-shaped rings 72 through the reinforcing steel bars 9 to form a stable isosceles triangle connection relationship, and the connecting positions of the reinforcing steel bars 9, the upright post 8 and the U-shaped rings 72 are welded and fixed; the steel bar 9 can be a steel bar with two ends respectively connected with two U-shaped rings 72, the middle part of the steel bar bypasses the upright post 8, or two broken steel bars, one end of the steel bar is connected with the U-shaped rings 72, and the other end is connected with the upright post 8; the upright posts 8 and the reinforcing steel bars 9 are buried in the light soil roadbed 2.
During implementation, the rectangular prefabricated panel 71 is prefabricated by C25 concrete, the specification can be selected from 90X30X4cm, and the steel bar 9 can be selected from phi 6 smooth round steel bars.
Referring to fig. 4 and 6, the rectangular prefabricated panels 71 adjacent to each other up and down are staggered in the road length direction by half the length of the rectangular prefabricated panels 71.
Thus, the flatness and connection integrity of the whole side wall surface 7 are better.
The plane of the U-shaped ring 72 is parallel to the long edge of the rectangular prefabricated panel 71, the U-shaped rings 72 adjacent to each other on the two vertically adjacent rectangular prefabricated panels 71 are connected through the connecting rib 10, the steel bar 9 is connected to the middle of the connecting rib 10 so as to connect the U-shaped rings 72 through the connecting rib 10, the connecting position of the connecting rib 10 and the two U-shaped rings 72 is fixed by welding, and the connecting position of the middle of the steel bar 9 and the connecting rib 10 is also fixed by welding. Since U-shaped ring 72 is formed of at least three bent sections, the structure thereof can determine a plane, i.e., a plane on which U-shaped ring 72 is located. Two adjacent U-shaped loops 72 on two adjacent rectangular prefabricated panels 71 above and below are shown, namely two adjacent U-shaped loops 72 above and below on opposite ends thereof which are staggered.
Therefore, the connection strength between the upper rectangular prefabricated panel 71 and the lower rectangular prefabricated panel 71 which are adjacent to each other is further improved, the connection with the steel bars 9 is also facilitated, and the construction difficulty is simplified.
The two sets of U-shaped rings 72 on the rectangular prefabricated panel 71 are respectively separated from the end face where the U-shaped rings are located by 1/4 of the length of the long side of the rectangular prefabricated panel 71.
Thus, the two adjacent U-shaped rings 72 on the opposite ends of the two adjacent rectangular prefabricated panels 71 are vertical; the U-shaped rings 72 of the rectangular prefabricated panels 71 which are connected in a staggered mode can be located on the same vertical line, so that constructors can conveniently identify and connect the U-shaped rings, rework caused by wrong connection and wrong connection is avoided, and the construction period is delayed; correspondingly, the connecting rib 10 is also in a vertical posture, the length of the connecting rib 10 is shorter, materials are saved, and cost is reduced.
Referring to fig. 3 and 5, both ends of the connecting rib 10 pass through the corresponding U-shaped rings 72 and are hooked; one end of the steel bar 9 connected with the connecting bar 10 penetrates between the connecting bar 10 and the inner side surface of the rectangular prefabricated panel 71 and is in a hook shape.
Therefore, on the basis of welding, fixing and connecting, the connecting effect is further ensured, and the connecting device can be used as auxiliary connection before welding, fixing and connecting, so that construction is facilitated; if the welding is detached, certain connecting effect can be ensured, and the structural strength of the integral connection is not affected.
The foundation bearing platform 6 comprises a bottom gravel cushion layer 61, a concrete foundation layer 62 is arranged on the gravel cushion layer 61, an installation groove 63 extending along the length direction of the road is arranged on the concrete foundation layer 62, the lower part of a rectangular prefabricated panel 71 forming the bottom layer of the side wall surface 7 falls into the installation groove 63, the lower part of the upright post 8 is embedded in the concrete foundation layer 62, and specifically, the bottom end of the upright post 8 is more than one meter away from the upper surface of the concrete foundation layer 62 and can be in a form of penetrating through the concrete foundation layer 62 and the gravel cushion layer 61; in practice, M15 cement mortar is used for caulking the joints between the rectangular prefabricated panels 71 and between the lower part of the rectangular prefabricated panel 71 at the bottom layer and the installation groove 63.
Thus, except the side wall surface 7, the strength of the basic connection part is ensured, the design is unified, and the integrity is good. When the method is implemented, the maximum particle size of the material of the broken stone cushion layer 61 is not more than 5cm, the content of particles smaller than 0.075mm is not more than 10%, and the compaction degree of the broken stone cushion layer 61 reaches 93%; the concrete foundation layer 62 is preferably 0.3m thick and 0.9m wide and cast in place with C25 concrete.
Channel steel is embedded in the concrete foundation layer 62, and an opening of the channel steel faces upward to form the mounting groove 63.
Therefore, the bottom strength is further improved, construction is facilitated, tools such as a die of the installation groove 63 are not needed when concrete forming is carried out, and construction efficiency is improved.
The two ends of the U-shaped ring 72 are embedded in the rectangular prefabricated panel 71, the two ends are connected with reinforcing ribs 73 respectively, the reinforcing ribs 73 and the U-shaped ring 72 are of an integral structure, and the reinforcing ribs are formed by bending two ends of the U-shaped ring 72.
Thus, the strength of the connection of U-shaped ring 72 to rectangular prefabricated panel 71 is improved.
Wherein, the upright post 8 is an angle steel or a channel steel. In the present embodiment, angle steel of 70mmX6mm is selected. The angle steel has an opening directed toward the side wall surface 7.
Like this, material cost is not high, also makes things convenient for being connected of reinforcing bar 9 and stand 8, and 8 cross-sections of stand are from becoming the connection basis of isosceles triangle form, make things convenient for connecting reinforcing bar 9.
To facilitate further understanding of the structure, the process steps of construction are described as follows:
1) excavating a foundation trench and filling a roadbed to form a step-shaped side slope 11, a foundation trench of the broken stone cushion isolation belt 3 and a foundation trench of a broken stone cushion 61 of the foundation bearing platform 6;
2) paving a broken stone cushion isolation belt 3 and a broken stone cushion 61 of the foundation bearing platform 6;
3) a concrete foundation layer 62 is poured and formed on the gravel cushion layer 61 of the foundation bearing platform 6, and the upright posts 8 are inserted into the gravel cushion layer 61 according to the designed interval and are embedded in the concrete foundation layer 62;
4) according to the design thickness requirement of one-time pouring molding of the lightweight soil roadbed 2, the side wall surface 7 is built by using a rectangular prefabricated panel 71 and is connected with the upright post 8 through a reinforcing steel bar 9;
5) installing a bottom drainage pipe 31, and installing a macadam blind ditch 4 to be pre-buried in the light soil subgrade 2 within the designed pouring thickness, a transverse drainage pipe 41 and a reinforcement net layer 21;
6) pouring light soil slurry according to the design thickness requirement;
7) after the solidification meets the strength requirement, according to the design thickness requirement of one-time pouring molding of the lightweight soil roadbed 2, the side wall surface 7 is continuously built by using the rectangular prefabricated panel 71 and is connected with the upright post 8 through the reinforcing steel bar 9, and the upright post 8 is vertically lengthened in a welding mode when the height is insufficient;
8) installing a macadam blind ditch 4 to be pre-buried in the lightweight soil roadbed 2 within the designed pouring thickness, a transverse drain pipe 41 and a reinforcement mesh layer 21;
9) pouring light soil slurry according to the design thickness requirement;
10) repeating the steps 7) -9) to reach the designed elevation;
11) paving an impermeable geomembrane 22 after the top surface of the light soil roadbed 2 is solidified and meets the strength requirement; paving a pavement structure layer 5 on the anti-seepage geomembrane 22; the pavement structure layer 5 comprises a cushion layer, a subbase layer, a base layer, a slurry seal layer, a lower surface layer, a middle surface layer and an upper surface layer from bottom to top, and finally the road asphalt pavement is formed.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. A light soil road structure comprises an original soil roadbed, wherein one side of the section of the original soil roadbed is a step-shaped side slope, the light soil roadbed also comprises a side wall surface opposite to the step-shaped side slope, and a light soil roadbed is filled between the side wall surface and the step-shaped side slope; the method is characterized in that: a broken stone cushion isolation belt is laid between the side wall surface and the bottom of the step-shaped slope, a bottom water drainage pipe is arranged in the broken stone cushion isolation belt, and a drainage end of the bottom water drainage pipe penetrates through the side wall surface to drain water outwards; a transverse drain pipe and a macadam blind ditch extending along the length direction of the road are further embedded in the light soil roadbed, the macadam blind ditch is arranged on the step-shaped side slope so as to be effectively supported during pouring construction, one end of the transverse drain pipe extends into the macadam blind ditch, and the other end of the transverse drain pipe transversely extends out of the side wall surface to drain water outwards; the gravel blind ditch is composed of gravel and impermeable geotextile wrapping the gravel.
2. A lightweight soil road structure according to claim 1, wherein: the bottom drain pipe and the transverse drain pipe are arranged at intervals in the length direction of the road; a plurality of reinforcement net layers are vertically arranged in the light soil roadbed at intervals; the light soil roadbed is paved with an anti-seepage geomembrane, and the anti-seepage geomembrane is paved with a pavement structure layer.
3. A lightweight soil road structure according to claim 1, wherein: the side wall surface extends along the length direction of the road, the side wall surface is arranged on a foundation bearing platform laid along the length direction of the road, a plurality of stand columns are further arranged on the foundation bearing platform at intervals, and the stand columns are located on the inner side of the side wall surface and are connected with the inner side surface of the side wall surface through a plurality of steel bars so as to reinforce the side wall surface; the side wall surface is formed by building a plurality of rectangular prefabricated panels, the side wall surface is a single-layer wall body, the long sides of the rectangular prefabricated panels are in the same direction with the length direction of a road, four U-shaped rings are pre-embedded in the rectangular prefabricated panels, the annular ends of the U-shaped rings vertically extend out of the inner side surfaces of the rectangular prefabricated panels, the four U-shaped rings are in a group of two and are respectively positioned at two ends of the rectangular prefabricated panels, and the two U-shaped rings in the same group are arranged at intervals up and down so that the four U-shaped rings are respectively close to four corners of the rectangular; the spacing distance between adjacent columns corresponds to the length of the long side of the rectangular prefabricated panel; in the length direction of the road, the upright post is positioned in the middle of two adjacent U-shaped rings and is connected with the two adjacent U-shaped rings through the reinforcing steel bars to form a stable isosceles triangle connection relationship; the upright posts and the reinforcing steel bars are buried in the light soil subgrade.
4. A lightweight soil road structure as recited in claim 3, wherein: two rows of vertically adjacent rectangular prefabricated panels are staggered in the length direction of the road, and the staggered size is half of the length of the rectangular prefabricated panels.
5. The lightweight soil road structure according to claim 4, wherein: the plane of the U-shaped ring is parallel to the long edge of the rectangular prefabricated panel, two adjacent U-shaped rings on two vertically adjacent rectangular prefabricated panels are connected through a connecting rib, and the steel bar is connected to the middle of the connecting rib so as to connect the U-shaped rings through the connecting rib.
6. The lightweight soil road structure according to claim 5, wherein: the two sets of U-shaped loops on the rectangular prefabricated panel are each located 1/4 times the total length of the rectangular prefabricated panel from the end face where they are located.
7. The lightweight soil road structure according to claim 6, wherein: two ends of the connecting rib penetrate through the corresponding U-shaped rings and are in a hook shape; and one end of the steel bar connected with the connecting bar penetrates through the space between the connecting bar and the inner side surface of the rectangular prefabricated panel and is in a hook shape.
8. A lightweight soil road structure as recited in claim 3, wherein: the foundation cushion cap includes the rubble bed course of bottom, be equipped with the concrete foundation layer on the rubble bed course, be equipped with the mounting groove that extends along road length direction on the concrete foundation layer, the lower part of the rectangle prefabricated panel of side wall surface bottom falls into in the mounting groove, the lower part of stand is pre-buried in the concrete foundation layer.
9. A lightweight soil road structure according to claim 8, wherein: channel steel is pre-embedded in the concrete foundation layer, and the opening of the channel steel faces upwards to form the mounting groove.
10. A lightweight soil road structure as recited in claim 3, wherein: two ends of the U-shaped ring are embedded in the rectangular prefabricated panel, and the two ends are connected with reinforcing ribs respectively.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158389A (en) * | 2019-06-30 | 2019-08-23 | 中冶建工集团有限公司 | A kind of light soil road structure and its construction method |
| CN113403900A (en) * | 2021-01-26 | 2021-09-17 | 绍兴文理学院 | Light two-ash soil roadbed construction method based on solid waste utilization |
| CN114318991A (en) * | 2022-02-22 | 2022-04-12 | 山东省交通规划设计院集团有限公司 | Plain area highway platform back structure, highway structure and construction method |
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2019
- 2019-06-30 CN CN201920999357.3U patent/CN210262555U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158389A (en) * | 2019-06-30 | 2019-08-23 | 中冶建工集团有限公司 | A kind of light soil road structure and its construction method |
| CN113403900A (en) * | 2021-01-26 | 2021-09-17 | 绍兴文理学院 | Light two-ash soil roadbed construction method based on solid waste utilization |
| CN114318991A (en) * | 2022-02-22 | 2022-04-12 | 山东省交通规划设计院集团有限公司 | Plain area highway platform back structure, highway structure and construction method |
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