CN216338815U - Prefabricated plate and temporary road comprising same - Google Patents

Abstract

The utility model discloses a prefabricated slab, which comprises a slab body, a reinforcing assembly and a hoisting assembly, wherein hoisting holes are formed in the upper side surface of the slab body; the reinforcing component is fixedly arranged inside the plate body, and the hoisting component is fixedly arranged in the hoisting hole. According to the utility model, the plate body of the concrete structure is prefabricated in advance, the reinforcing assembly is embedded in the plate body, so that the strength of the plate body can meet the use requirement, then the plate body can be moved to the position of a temporary road through the hoisting assembly, and finally a plurality of plate bodies are spliced to form the temporary road, so that the steps of pouring, hardening and the like are omitted, and the maintenance and the removal are convenient.

Description

Prefabricated plate and temporary road comprising same

Technical Field

The utility model relates to the field of construction engineering construction, in particular to a prefabricated slab and a temporary road comprising the prefabricated slab.

Background

When the construction of the building engineering is carried out, temporary ground or roads need to be constructed, most of the methods adopted at the present stage are that concrete is directly poured, and the temporary ground is removed after the construction engineering is finished.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a temporary road needs to be cast in situ at the present stage, and aims to provide a precast slab and the temporary road comprising the precast slab, which solve the problems of long cast-in-situ occupation time of a cast pavement road, difficulty in repairing damaged parts in use, environmental pollution caused by crushing and outward transportation, occupation period and material waste.

The utility model is realized by the following technical scheme:

a prefabricated panel comprising:

the plate body is provided with an upper side face and a lower side face, and the upper side face of the plate body is provided with a hoisting hole;

the reinforcing component is fixedly arranged inside the plate body and comprises:

a transverse fixed group;

a vertical fixing group arranged across the horizontal fixing group

And the hoisting assembly is fixedly arranged in the hoisting hole.

Specifically, the transverse fixing group comprises an upper layer transverse fixing group and a lower layer transverse fixing group, and the distance between the upper layer transverse fixing group and the upper side surface of the plate body is smaller than the distance between the lower layer transverse fixing group and the upper side surface of the plate body;

erect and put fixed group and erect fixed group including the upper strata and erect fixed group with lower floor, the upper strata erect fixed group with the lower floor erects fixed group and sets up the upper strata horizontal fixed group with between the lower floor's horizontal fixed group, just the upper strata erect fixed group with the distance between the side of going up of plate body is less than the lower floor erect fixed group with the distance between the side of going up of plate body.

Specifically, the plate body is of a rectangular structure;

the upper-layer transverse fixing group comprises a plurality of upper-layer transverse reinforcing steel bars which are arranged in parallel, the distance between every two adjacent upper-layer transverse reinforcing steel bars is equal, and the plane where the upper-layer transverse reinforcing steel bars are located is parallel to the upper side face of the plate body;

the lower-layer transverse fixing group comprises a plurality of lower-layer transverse reinforcing steel bars which are arranged in parallel, the distance between every two adjacent lower-layer transverse reinforcing steel bars is equal, and the plane where the lower-layer transverse reinforcing steel bars are located is parallel to the lower side face of the plate body;

wherein, the upper strata horizontal reinforcing bar with the horizontal reinforcing bar of lower floor all with the long limit of plate body is parallel, each the horizontal reinforcing bar of lower floor corresponds the setting in each under the horizontal reinforcing bar of upper strata.

Specifically, the upper-layer vertical fixing group comprises a plurality of upper-layer vertical reinforcing steel bars which are arranged in parallel, the distance between every two adjacent upper-layer vertical reinforcing steel bars is equal, and the plane where the upper-layer vertical reinforcing steel bars are located is parallel to the upper side face of the plate body;

the lower-layer vertical fixing group comprises a plurality of lower-layer vertical reinforcing steel bars which are arranged in parallel, the distance between every two adjacent lower-layer vertical reinforcing steel bars is equal, and the plane where the lower-layer vertical reinforcing steel bars are located is parallel to the lower side surface of the plate body;

wherein, the upper strata is erected and is put the reinforcing bar with the lower floor erect put the reinforcing bar all with the minor face of plate body is parallel, each the lower floor is erected and is put the reinforcing bar and correspond to set up each the upper strata is erected and is put the reinforcing bar under.

Preferably, the lower side of the upper layer of transverse steel bars is in contact with the upper side of the upper layer of vertical steel bars, and the upper side of the lower layer of transverse steel bars is in contact with the lower side of the lower layer of vertical steel bars.

Specifically, the hoisting holes are arranged at four corners of the plate body, and the hoisting holes are positioned in a square blank formed by the upper-layer transverse steel bars/the lower-layer transverse steel bars and the upper-layer vertical steel bars/the lower-layer vertical steel bars;

the hoist and mount subassembly includes:

the fixing part penetrates through the inner side surface of the hoisting hole and is fixedly arranged inside the plate body;

and the hoisting part is arranged in the hoisting hole and is fixedly connected with the fixing part.

Specifically, the fixing part comprises a first short steel bar and a second short steel bar which are coaxially arranged, the first short steel bar and the second short steel bar are arranged in parallel with the lower-layer transverse steel bar, the fixing part is positioned below the lower-layer vertical steel bar, and the upper side of the fixing part is in contact with the upper side of the lower-layer vertical steel bar;

the hoisting part comprises:

the first vertical rod is vertically arranged in the hoisting hole, and the lower end of the first vertical rod is fixedly connected with one end of the first short steel bar;

the second vertical rod is vertically arranged in the hoisting hole, and the lower end of the second vertical rod is fixedly connected with one end of the second short steel bar;

and the horizontal rod is horizontally arranged in the hoisting hole, and two ends of the horizontal rod are respectively fixedly connected with the upper end of the first vertical rod and the upper end of the second vertical rod.

Specifically, the lower-layer vertical fixing group further comprises a plurality of reinforcing ribs, the reinforcing ribs are arranged between two adjacent lower-layer vertical reinforcing steel bars and are located right above the first short reinforcing steel bars and the second short reinforcing steel bars.

Furthermore, the prefabricated plate further comprises four embedded angle steels, the four embedded angle steels form a rectangular structure and are fixedly arranged at four corners of the plate body respectively, and the folding lines of the embedded angle steels are perpendicular to the upper side face of the plate body.

A temporary road, comprising:

a plurality of prefabricated panels of one of the above types;

a plurality of the prefabricated plate is according to 1/2 wrong joint spelling, is provided with the articulamentum between two adjacent prefabricated plates, the articulamentum includes:

the lower side surface of the fine sand layer is parallel to the lower side surface of the precast slab;

the pitch layer, its setting is in the top on thin sand bed, the upper flank on pitch layer with the side parallel on the prefabricated plate, the downside on pitch layer with the laminating of the last side on thin sand bed.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the utility model, the plate body of the concrete structure is prefabricated in advance, the reinforcing assembly is embedded in the plate body, so that the strength of the plate body can meet the use requirement, then the plate body can be moved to the position of a temporary road through the hoisting assembly, and finally a plurality of plate bodies are spliced to form the temporary road, so that the steps of pouring, hardening and the like are omitted, and the maintenance and the removal are convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the principles of the utility model.

Fig. 1 is a schematic view showing the construction of a prefabricated panel according to the present invention.

Fig. 2 is a top view of a reinforcement assembly according to the present invention.

Fig. 3 is a side sectional view of a prefabricated panel according to the present invention.

Fig. 4 is a schematic structural view of a reinforcing assembly according to the present invention.

Figure 5 is a schematic structural view of a lifting assembly according to the present invention.

Fig. 6 is a schematic structural diagram of a temporary road according to the present invention.

Reference numerals: 1-plate body, 2-hoisting assembly, 3-reinforcing assembly, 4-embedded angle steel and 10-precast slab;

11-hoisting hole, 21-fixing part, 22-hoisting part, 31-lower-layer transverse steel bar, 32-lower-layer vertical steel bar, 33-reinforcing rib, 34-upper-layer transverse steel bar and 35-upper-layer vertical steel bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the utility model.

It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

At present, the common method of constructing concrete roads and storage yards is to pour a gravel cushion layer with the thickness of 100-300 mm on the lower cushion layer, and C20 concrete with the thickness of 200mm is adopted on the surface layer.

In the stage from start-up to completion of the construction site concrete road which is generally hardened, project managers pay attention to maintenance and cleaning of the road all the time, although the cleanness and civilization of the site road can be basically guaranteed, the road surface is frequently maintained, the road adjustment in each construction stage is difficult, the concrete road needs to be crushed in the later stage, and a construction unit can invest large manpower and machines to crush, transport and discard the concrete road.

Therefore, the prefabricated concrete member provided by the utility model is used as a temporary construction pavement and a storage yard, so that the temporary storage yard is shaped and can be used movably, the turnover rate is high compared with the traditional pavement under the condition of meeting the bearing capacity, the adjustment of the temporary road and the storage yard in each construction stage is facilitated, the field construction is facilitated, the maintenance cost of the temporary road can be reduced, and the effect of reducing the hardening cost of the temporary road and the storage yard for a plurality of periods of projects is obvious.

Example one

As shown in fig. 1, 2 and 3, the present embodiment provides a prefabricated panel 10 including a panel body 1, a reinforcing assembly 3 and a hoist assembly 2.

The plate body 1 has an upper side and a lower side, i.e. according to normal use, it is necessary to place the lower side of the plate body 1 on a roadbed and to use the upper side of the plate body 1 as a road surface of a temporary road.

Strengthen the fixed setting of subassembly 3 inside plate body 1, strengthen subassembly 3 including horizontal fixed group with horizontal fixed group crisscross vertical fixed group of putting, plate body 1 forms for concrete placement at present stage, if need not strengthen it then can lead to its intensity to damage easily, consequently strengthen the intensity of plate body 1 through the strengthening subassembly 3 of setting vertically and horizontally in this embodiment.

The side of going up of plate body 1 is provided with hoist and mount hole 11, and hoist and mount subassembly 2 is fixed to be set up in hoist and mount hole 11, through installation hoist and mount subassembly 2 for when carrying out the spelling of temporary road, can be convenient remove prefabricated plate 10, and through setting up hoist and mount hole 11 after with hoist and mount subassembly 2 arrange hoist and mount hole 11 in, can accomplish the back at the installation, hoist and mount subassembly 2 can not be outstanding to the road surface, influences the normal use on temporary road surface.

Example two

This embodiment explains the reinforcing member 3 in the first embodiment.

As shown in fig. 2, 3 and 4, the horizontal fixing group comprises an upper horizontal fixing group and a lower horizontal fixing group, the distance between the upper horizontal fixing group and the upper side surface of the plate body 1 is smaller than the distance between the lower horizontal fixing group and the upper side surface of the plate body 1, that is, the horizontal fixing group is arranged into a double-layer structure, the upper horizontal fixing group is close to the upper side surface of the plate body 1, the lower horizontal fixing group is close to the lower side surface of the plate body 1, and the upper horizontal fixing group and the lower horizontal fixing group are symmetrically distributed along the middle section of the plate body 1.

It includes that the upper strata erects fixed group and the perpendicular fixed group of lower floor to erect fixed group, the upper strata erects fixed group and the perpendicular fixed group of lower floor sets up between the horizontal fixed group of upper strata and the horizontal fixed group of lower floor, and the distance between the side of going up of the vertical fixed group of upper strata and plate body 1 is less than the distance between the side of going up of the vertical fixed group of lower floor and plate body 1, it also sets up into bilayer structure to erect fixed group, and be located between the horizontal fixed group, the vertical fixed group of upper strata is close to the side of going up of plate body 1, the lower floor erects the lower aspect that fixed group leaned on plate body 1, the vertical fixed group of upper strata and the vertical fixed group of lower floor along the well section symmetric distribution of plate body 1.

In order to facilitate the assembly of the temporary road, the plate body 1 in this embodiment is of a rectangular structure.

The upper-layer transverse fixing group comprises a plurality of upper-layer transverse reinforcing steel bars 34 which are arranged in parallel, the distance between every two adjacent upper-layer transverse reinforcing steel bars 34 is equal, and the plane where the plurality of upper-layer transverse reinforcing steel bars 34 are located is parallel to the upper side face of the plate body 1; the lower-layer transverse fixing group comprises a plurality of lower-layer transverse reinforcing steel bars 31 which are arranged in parallel, the distance between every two adjacent lower-layer transverse reinforcing steel bars 31 is equal, and the plane where the plurality of lower-layer transverse reinforcing steel bars 31 are located is parallel to the lower side surface of the plate body 1; the horizontal reinforcing bar of upper strata 34 and the horizontal reinforcing bar 31 of lower floor all are parallel with the long limit of plate body 1, and each horizontal reinforcing bar 31 of lower floor corresponds and sets up under each horizontal reinforcing bar 34 of upper strata.

The equal parallel arrangement of upper strata horizontal reinforcing bar 34 and the horizontal reinforcing bar 31 of lower floor promptly, and be the one-to-one correspondence, through with the horizontal reinforcing bar 34 of upper strata and the horizontal reinforcing bar 31 evenly distributed of lower floor in plate body 1, can realize even increase plate body 1 intensity on long limit direction, avoid plate body 1 to break at long limit direction easily.

The upper-layer vertical fixing group comprises a plurality of upper-layer vertical reinforcing steel bars 35 which are arranged in parallel, the distance between every two adjacent upper-layer vertical reinforcing steel bars 35 is equal, and the plane where the plurality of upper-layer vertical reinforcing steel bars 35 are located is parallel to the upper side face of the plate body 1; the lower-layer vertical fixing group comprises a plurality of lower-layer vertical reinforcing steel bars 32 which are arranged in parallel, the distance between every two adjacent lower-layer vertical reinforcing steel bars 32 is equal, and the plane where the plurality of lower-layer vertical reinforcing steel bars 32 are located is parallel to the lower side surface of the plate body 1; the reinforcing bar 35 is put to the upper strata is erected and is put reinforcing bar 32 and all parallel with the minor face of plate body 1 with lower floor is erected, and each lower floor is erected and is put reinforcing bar 32 and correspond the setting and erect reinforcing bar 35 under each upper strata.

With the horizontal fixed group of upper strata and the horizontal fixed group of lower floor similar, the upper strata is erected and is put reinforcing bar 35 and the equal parallel arrangement of reinforcing bar 32 is put to the lower floor is erected, and is the one-to-one structure to horizontal reinforcing bar and vertical reinforcing bar constitute the network structure of "well" style of calligraphy, can increase plate body 1 simultaneously on the minor face direction with the ascending intensity in long limit direction, the upper strata is erected fixed group and the lower floor and is erected fixed group and realize avoiding plate body 1 function of rupture easily in the minor face direction.

In addition, in order to facilitate the member of the reinforcing component 3, the lower side of the upper-layer transverse steel bar 34 is in contact with the upper side of the upper-layer vertical steel bar 35 in the embodiment, and the upper-layer transverse steel bar 34 and the upper-layer vertical steel bar 35 can be fixed by binding steel wires at cross contact points.

Similarly, the upside of the horizontal reinforcing bar 31 of lower floor and the downside contact of the vertical reinforcing bar 32 of lower floor realize the fixed of the horizontal reinforcing bar 31 of lower floor and the vertical reinforcing bar 32 of lower floor at cross contact point steel wire.

EXAMPLE III

The above embodiment realizes the explanation of the strength increase of the plate body 1, and the present embodiment explains the structure of the hoisting assembly 2.

As shown in fig. 5, in order to realize stable hoisting, the hoisting holes 11 are arranged at four corners of the plate body 1, so that damage to the plate can be avoided during hoisting.

And the hoisting hole 11 is positioned in a square space formed by the upper-layer transverse steel bar 34, the lower-layer transverse steel bar 31 and the upper-layer vertical steel bar 35 and the lower-layer vertical steel bar 32, so that the structure can avoid interference between the hoisting hole 11 and the reinforcing component 3.

The hoisting assembly 2 comprises a fixed plate and a hoisting part 22.

The fixing portion 21 penetrates through the inner side face of the hoisting hole 11 and is fixedly arranged inside the plate body 1, and the hoisting portion 22 is arranged in the hoisting hole 11 and is fixedly connected with the fixing portion 21.

The fixing part 21 comprises a first short steel bar and a second short steel bar which are coaxially arranged, the first short steel bar and the second short steel bar are arranged in parallel with the lower-layer transverse steel bar 31, the fixing part 21 is positioned below the lower-layer vertical steel bar 32, and the upper side of the fixing part 21 is in contact with the upper side of the lower-layer vertical steel bar 32;

through with first short reinforcing bar and the pre-buried in panel of second short reinforcing bar, realize fixed part 21 fixed, and set up fixed part 21 and erect reinforcing bar 32 below in the lower floor, when hoist and mount, exert ascending effort to fixed part 21 to make fixed part 21 and the laminating of the lower floor erect reinforcing bar 32, reach the purpose of mentioning panel.

The hoisting part 22 includes a first vertical rod, a second vertical rod, and a horizontal rod.

The first vertical rod is vertically arranged in the hoisting hole 11, and the lower end of the first vertical rod is fixedly connected with one end of the first short steel bar;

the second vertical rod is vertically arranged in the hoisting hole 11, and the lower end of the second vertical rod is fixedly connected with one end of the second short steel bar;

the horizontal pole level sets up in lifting hole 11, and the both ends of horizontal pole respectively with the upper end of first montant and the upper end fixed connection of second montant.

The first vertical rod, the second vertical rod and the cross rod form an n-type structure, two ends of the n-type structure are connected with the fixing part 21, and the n-type structure is hooked when the hoisting is carried out.

Example four

When hoisting, the stress that near first short reinforcing bar and the short reinforcing bar of second bore can increase, in order to avoid appearing the damaged condition of panel, sets up a plurality of strengthening ribs 33 in the lower floor erects fixed group, and strengthening rib 33 sets up between two adjacent lower floors are erected reinforcing bar 32, and is located first short reinforcing bar and the short reinforcing bar of second directly over.

The reinforcing ribs 33 reduce the force acting on the lower-layer vertically-arranged reinforcing bars 32 located above the fixing portion 21 by equalizing the upward force of the fixing portion 21.

In addition, the prefabricated slab 10 further comprises four embedded angle steels 4, the four embedded angle steels 4 form a rectangular structure and are fixedly arranged at four corners of the slab body 1 respectively, and folding lines of the embedded angle steels 4 are perpendicular to the upper side face of the slab body 1.

EXAMPLE five

As shown in fig. 6, the present embodiment provides a temporary road assembled based on prefabricated panels 10, including a plurality of kinds of prefabricated panels 10;

in this example, the temporary road width is designed to be 4m, so the standard prefabricated slab 10 is designed to be 3.0m × 2.0m × 0.15m, and meanwhile, a prefabricated part is designed to be 1.5m × 2.0m × 0.15m and used as an end interface;

according to the size of the prefabricated slab 10, roads with the width of 5m (2m +3m), 6m (3m +3m), 7m (2m +3m +2m) and more can be freely combined.

And the road assembling modes of all widths are assembled according to 1/2 staggered joints.

And a connecting layer is arranged between two adjacent prefabricated plates 10 and comprises a fine sand layer and an asphalt layer.

The downside on thin sand bed is parallel with the downside of prefabricated plate 10, and the pitch layer sets up in the top on thin sand bed, and the side of going up on pitch layer is parallel with the side of going up of prefabricated plate 10, and the downside on pitch layer is laminated with the side of going up of thin sand bed.

The prefabricated slab 10 road surface board connects the detail processing, and the connection of two prefabricated slabs 10 adopts no dowel steel mode to connect, and the interplate gap adopts fine sand to fill, and 50mm is left out to the upper strata and adopts asphalt cement (polyvinyl chloride clay) caulking joint, and the temperature effect of expend with heat and contract with cold can be reduced in the setting of this seam, simultaneously does car dynamic load shock attenuation measure simultaneously, and asphalt cement can be waterproof, has certain flexible performance simultaneously, and the removal of minim can not cause the fracture.

The 22 ears of the hoisting part are made of steel bars with the diameter of 25mm, the steel bars are easy to rust when exposed in the air, the rust-proof treatment is needed, the rust-proof paint is brushed before the hoisting part is put into use, and the hoisting holes 11 are filled with fine sand for filling after the hoisting part is in place. During prefabrication, the bottom of the plate is considered to be provided with anti-slip measures, namely grooves (10mm x 200mm) are arranged, the distance is 1000mm, the grooves are formed by adopting sticky extruded plastic strips during prefabrication, the grooves can form an angle of 45 degrees with the long edge direction, and the grooves can be flexibly assembled and used while the friction force of a base layer is increased.

The specific installation process comprises the following steps:

and (3) treating the road subgrade, paving and filling 80mm of medium sand at the bottom of the surface layer to form a leveling cushion layer, and measuring the flatness before the prefabricated slab 10 is installed to ensure that the sideline, the central line, the elevation and the flatness of the leveling cushion layer meet the design requirements.

The prefabricated road is traded and is repaiied and the transportation of transition includes:

(1) cleaning the periphery of the damaged concrete prefabricated part, cleaning sundries in the hoisting holes 11, and cleaning asphalt paste between plates so as to avoid the influence on the peripheral structure during hoisting;

(2) hoisting the damaged precast slabs 10 by using a truck crane, and moving to a transport vehicle for transportation;

(3) replacing according to the new installation process;

(4) the precision is strictly controlled in the replacement process, and the damaged corners of the prefabricated plates 10 are avoided during hoisting.

The assembly type prefabricated panel transition process comprises the following steps:

the prefabricated slab 10 is mainly used for truck cranes and transport vehicles during transition, and the dismantling process can adopt retreat type dismantling while dismantling, so that the site occupation is reduced;

considering that a conventional transport vehicle is 2.5m wide, 31m long, and 40 tons in load, the prefabricated panels weigh 2.25 tons per block, and each car can be loaded with 18 blocks, can be loaded with 3 rows in the length direction, and each row is stacked with 6 layers, and is about 0.9m high. According to the calculation, each vehicle can load 4m wide road panels with the length of about 27m, and 4 vehicles with the length of 100m can be loaded and transferred.

The most difficult control point in the transition transportation process is that the prefabricated parts are required to be lightly taken and placed, so that the prefabricated parts are not damaged as much as possible, and the loss is reduced.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the utility model. Other variations or modifications to the above described invention may occur to those skilled in the art and are within the scope of the utility model.

Claims (10)

1. A prefabricated panel, characterized in that it comprises:

the plate body is provided with an upper side face and a lower side face, and the upper side face of the plate body is provided with a hoisting hole;

the reinforcing component is fixedly arranged inside the plate body and comprises:

a transverse fixed group;

a vertical fixing group arranged across the horizontal fixing group

And the hoisting assembly is fixedly arranged in the hoisting hole.

2. The prefabricated panel according to claim 1, wherein the transverse fixing groups comprise an upper transverse fixing group and a lower transverse fixing group, and the distance between the upper transverse fixing group and the upper side of the panel body is smaller than the distance between the lower transverse fixing group and the upper side of the panel body;

erect and put fixed group and erect fixed group including the upper strata and erect fixed group with lower floor, the upper strata erect fixed group with the lower floor erects fixed group and sets up the upper strata horizontal fixed group with between the lower floor's horizontal fixed group, just the upper strata erect fixed group with the distance between the side of going up of plate body is less than the lower floor erect fixed group with the distance between the side of going up of plate body.

3. The prefabricated panel according to claim 2, wherein the panel body has a rectangular structure;

the upper-layer transverse fixing group comprises a plurality of upper-layer transverse reinforcing steel bars which are arranged in parallel, the distance between every two adjacent upper-layer transverse reinforcing steel bars is equal, and the plane where the upper-layer transverse reinforcing steel bars are located is parallel to the upper side face of the plate body;

the lower-layer transverse fixing group comprises a plurality of lower-layer transverse reinforcing steel bars which are arranged in parallel, the distance between every two adjacent lower-layer transverse reinforcing steel bars is equal, and the plane where the lower-layer transverse reinforcing steel bars are located is parallel to the lower side face of the plate body;

wherein, the upper strata horizontal reinforcing bar with the horizontal reinforcing bar of lower floor all with the long limit of plate body is parallel, each the horizontal reinforcing bar of lower floor corresponds the setting in each under the horizontal reinforcing bar of upper strata.

4. The prefabricated slab as claimed in claim 3, wherein the upper vertical fixing group comprises a plurality of upper vertical reinforcing steel bars arranged in parallel, the distance between two adjacent upper vertical reinforcing steel bars is equal, and the plane of the plurality of upper vertical reinforcing steel bars is parallel to the upper side surface of the slab body;

the lower-layer vertical fixing group comprises a plurality of lower-layer vertical reinforcing steel bars which are arranged in parallel, the distance between every two adjacent lower-layer vertical reinforcing steel bars is equal, and the plane where the lower-layer vertical reinforcing steel bars are located is parallel to the lower side surface of the plate body;

wherein, the upper strata is erected and is put the reinforcing bar with the lower floor erect put the reinforcing bar all with the minor face of plate body is parallel, each the lower floor is erected and is put the reinforcing bar and correspond to set up each the upper strata is erected and is put the reinforcing bar under.

5. The prefabricated panel according to claim 4, wherein the lower side of the upper horizontal reinforcing bars is in contact with the upper side of the upper vertical reinforcing bars, and the upper side of the lower horizontal reinforcing bars is in contact with the lower side of the lower vertical reinforcing bars.

6. The prefabricated slab as claimed in claim 4, wherein the hoisting holes are formed at four corners of the slab body and are positioned in square spaces formed by the upper-layer transverse steel bars/the lower-layer transverse steel bars and the upper-layer vertical steel bars/the lower-layer vertical steel bars;

the hoist and mount subassembly includes:

the fixing part penetrates through the inner side surface of the hoisting hole and is fixedly arranged inside the plate body;

and the hoisting part is arranged in the hoisting hole and is fixedly connected with the fixing part.

7. The prefabricated panel according to claim 6, wherein the fixing part comprises a first short reinforcing bar and a second short reinforcing bar which are coaxially arranged, the first short reinforcing bar and the second short reinforcing bar are arranged in parallel with the lower-layer transverse reinforcing bar, the fixing part is positioned below the lower-layer vertical reinforcing bar, and the upper side of the fixing part is in contact with the upper side of the lower-layer vertical reinforcing bar;

the hoisting part comprises:

the first vertical rod is vertically arranged in the hoisting hole, and the lower end of the first vertical rod is fixedly connected with one end of the first short steel bar;

the second vertical rod is vertically arranged in the hoisting hole, and the lower end of the second vertical rod is fixedly connected with one end of the second short steel bar;

and the horizontal rod is horizontally arranged in the hoisting hole, and two ends of the horizontal rod are respectively fixedly connected with the upper end of the first vertical rod and the upper end of the second vertical rod.

8. The prefabricated panel of claim 7, wherein the lower vertical fixing group further comprises a plurality of reinforcing ribs which are disposed between two adjacent lower vertical reinforcing bars and are positioned right above the first short reinforcing bar and the second short reinforcing bar.

9. The precast slab as recited in claim 1, further comprising four pre-embedded angle steels, wherein the four pre-embedded angle steels form a rectangular structure and are respectively and fixedly arranged at four corners of the slab body, and folding lines of the pre-embedded angle steels are perpendicular to the upper side surface of the slab body.

10. A temporary road, comprising:

a plurality of preformed sheets as claimed in any one of claims 1 to 9;

a plurality of the prefabricated plate is according to 1/2 wrong joint spelling, is provided with the articulamentum between two adjacent prefabricated plates, the articulamentum includes:

the lower side surface of the fine sand layer is parallel to the lower side surface of the precast slab;

the pitch layer, its setting is in the top on thin sand bed, the upper flank on pitch layer with the side parallel on the prefabricated plate, the downside on pitch layer with the laminating of the last side on thin sand bed.

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