CN211734902U

CN211734902U - Prefabricated assembled concrete pavement

Info

Publication number: CN211734902U
Application number: CN201922357300.6U
Authority: CN
Inventors: 刁其剑; 刘连虎; 蔡红春; 王高志; 史文斌
Original assignee: Dezhou Road Engineering Corp
Current assignee: Deda Transportation Construction And Development Group Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-23
Anticipated expiration: 2029-12-23

Abstract

The utility model provides a prefabricated assembled concrete road surface, include: the steel reinforcement structure comprises a jig frame bottom plate (4), jig frame vertical molds (5), a panel steel reinforcement cage (7), jig frame cross beams (10), jig frame stand columns (40), prefabricated panels (17), rigid suspension rods (18), a position control body cross brace (25), a position control body vertical brace (26), a grouting platform plate (27), a joint grouting pipe (32) and a hoisting connecting pipe (36); wherein establish bed-jig founding mould (5) on bed-jig bottom plate (4), between bed-jig founding mould (5) is arranged in panel steel reinforcement cage (7), the utility model discloses can improve prefabricated panel's atress performance, reduce the prefabricated panel preparation and hoist and mount location degree of difficulty, improve movement joint filling quality.

Description

Prefabricated assembled concrete pavement

Technical Field

The utility model relates to a can improve prefabricated panel's atress performance, reduce prefabricated panel preparation and hoist and mount location degree of difficulty, improve the prefabricated assembled concrete pavement of movement joint filling quality belongs to the road engineering field, is applicable to prefabricated assembled concrete pavement engineering.

Background

The prefabricated assembled concrete pavement is widely applied to construction all over the country due to the advantages of short construction period, high repeated utilization rate, convenience in construction, maintenance, repair and construction and the like. However, because the prefabricated concrete pavement slab is a prefabricated member, the connection strength and the integral stress performance among the members, the positioning of the panel reinforcement cage during the concrete pouring of the prefabricated panel, the improvement of the field construction quality and the like are the key points and difficulties of engineering control.

The wear-resistant pavement slab comprises a precast concrete body, plate main ribs, plate web ribs, a wear-resistant surface layer and wire pipes embedded in the top of the precast concrete body, wherein the precast concrete body is a cuboid standard block with the length of 3m, the width of 1m and the thickness of 0.3m, the plate main ribs are distributed at the top and the bottom of the precast concrete body, the plate web ribs are uniformly distributed between the plate main ribs at the top and the bottom at intervals and are fixedly connected with the plate main ribs, and the wear-resistant surface layer is positioned on the upper surface of the precast concrete body and cast in situ with the precast concrete body into a whole. The prefabricated panel has the advantages of high structural strength, convenience in transportation, reusability, high construction efficiency and the like, and can be further improved in the aspects of improving the stress performance of the prefabricated panel, improving the field construction quality, improving the quality of filling construction of a deformation joint filling body, reducing the difficulty of sealing construction of the prestressed lacing wire and the like.

In view of this, in order to improve the application range and the stress performance of the prefabricated assembled concrete pavement, the prefabricated assembled concrete pavement capable of improving the stress performance of the prefabricated panel, reducing the difficulty of the preparation and hoisting positioning of the prefabricated panel and improving the filling quality of the deformation joint is urgently needed to be invented at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve the atress performance of prefabricated panel not only, can reduce the preparation of prefabricated panel moreover and hoist and mount the location degree of difficulty, can also improve deformation joint filling quality's prefabricated assembled concrete road surface.

This technical scheme provides a prefabricated assembled concrete road surface, includes:

the system comprises a bed-jig bottom plate, bed-jig vertical molds, a panel reinforcement cage, bed-jig cross beams, bed-jig vertical columns, prefabricated panels, rigid suspension rods, position control body cross supports, position control body vertical supports, grouting platform plates, joint grouting pipes and hoisting connecting pipes; the bottom end of the hoisting connecting pipe is provided with a supporting plate connecting groove and is arranged on the bed-jig bottom plate, and a prefabricated panel is formed by pouring in a space formed by the bed-jig vertical molds and the bed-jig bottom plate;

paving a ductile transition layer on the road surface base layer, arranging a rigid suspender in the hoisting connecting pipe, connecting a flexible sling at the top end of the rigid suspender with a sling connecting ring, connecting external hoisting equipment with the sling connecting ring, and hoisting the prefabricated panel to the ductile transition layer;

the position control body cross brace is arranged on the side edge of the prefabricated panel, the position control body vertical brace is arranged on the top edge of the prefabricated panel, the grouting platform plates are arranged above two sides of the vertical deformation joint of the prefabricated panel respectively, one end of the joint grouting pipe is inserted into the vertical deformation joint, the other end of the joint grouting pipe is connected with external grouting equipment, a deformation joint filling body is constructed in the vertical deformation joint, wall-sticking steel dies are erected on two sides of the prefabricated panel, and an anchoring groove closing body is poured in a cavity formed by the wall-sticking steel dies and the anchoring groove plate in a surrounding mode.

Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:

(1) the utility model discloses a slant prestressing force lacing wire to for prestressing force tensioning provides the support through the anchor frid, can improve the atress performance of prefabricated panel.

(2) The utility model discloses the bed-jig founds the mould and passes through the bed-jig rotation hinge with the bed-jig bottom plate to be connected, can effectively reduce the bed-jig founds the mould to erect and demolish the degree of difficulty of construction; the cross section of the hoisting connecting pipe is oval, and the bottom end of the hoisting connecting pipe is provided with a supporting plate connecting groove, so that the difficulty of hoisting construction of the prefabricated panel can be reduced; the setting of steel reinforcement cage jib has reduced the degree of difficulty of panel steel reinforcement cage location when prefabricated panel concrete placement.

(3) The utility model discloses set up the ductility transition layer between prefabricated panel and road surface basic unit, can play and reduce the vibration, make prefabricated panel atress and elastic sheet theory coincide more.

(4) The utility model adopts the combination of the rigid suspender and the special-shaped supporting plate to carry out the hoisting construction of the prefabricated panel, thereby reducing the difficulty of on-site hoisting; simultaneously the utility model discloses wear to establish intraductally at prestressing tendons and set up and wear to establish the location muscle to accessible accuse position body stull and accuse position body erects to prop and carry out accurate accuse position to prefabricated panel, improved site operation quality.

(5) The utility model discloses set up the cementation of fissures airtight plate in vertical movement joint department to set up the airtight plate fastening and tied, can promote the quality that the movement joint obturator fills the construction.

(6) The utility model discloses enclose the cavity that closes to anchor frid and adherence steel mould and pour micro-expansion concrete, form the anchor groove closing body, help reducing the degree of difficulty that the prestressing tendons seals the construction, promote the durability of prestressing tendons.

Drawings

Fig. 1 is a schematic view of the pouring structure of the prefabricated panel of the present invention;

FIG. 2 is a schematic view of the connection structure of the jig frame in FIG. 1;

FIG. 3 is a schematic diagram of the construction structure for hoisting and positioning the prefabricated panel;

FIG. 4 is a schematic view of the connection structure of the rigid suspension rod and the shaped supporting plate in FIG. 3;

FIG. 5 is a schematic view of the connection structure of the positioning rib and the connecting rope of the positioning rib in FIG. 3;

FIG. 6 is a schematic diagram of the construction structure of the deformation joint filling body of the present invention;

fig. 7 is a schematic diagram of the construction structure of the anchoring groove closing body of the present invention.

In the figure: 1-a pavement base; 2-anchoring the trough plate; 3-the prestressed tendons penetrate through the pipe; 4-bed jig bottom plate; 5-erecting a mould by using a moulding bed; 6-rotating and hinging the vertical mold; 7-panel reinforcement cage; 8-seam containment plate; 9-erecting a formwork supporting plate; 10-a jig frame beam; 11-reinforcement cage stirrups; 12-a steel reinforcement cage hanger bar; 13-corner filler; 14-corner hoop plate; 15-longitudinal reinforcement of the reinforcement cage; 16-a ductile transition layer; 17-prefabricating a panel; 18-a rigid boom; 19-a special-shaped supporting plate; 20-a flexible sling; 21-sling attachment rings; 22-arranging positioning ribs in a penetrating way; 23-connecting positioning ribs with ropes; 24-vertical deformation joints; 25-controlling the position body cross brace; 26-vertical support of the position control body; 27-grouting a flat slab; 28-grouting a platform column; 29-grouting platform beams; 30-a closed plate fastening bolt; 31-crack pouring obturation plates; 32-joint grouting pipe; 33-deformation joint filling body; 34-adherence steel mould; 35-anchor groove closure; 36-hoisting a connecting pipe; 37-stay plate connecting groove; 38-erecting a mould position correcting bolt; 39-bracing plate fastening bolts; 40-a jig frame upright post; 41-mold side connecting grooves; 42-a hoop plate fastening bolt; 43-vertical ballast body; 44-position control body support plate; 45-prestressed lacing wire; 46-control the position body bottom plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

On-spot hoist and mount construction technical requirement, concrete mix proportion design requirement, bolt-up construction technical requirement, concrete placement construction technical requirement etc. no longer give unnecessary details in this embodiment, the key explanation the utility model relates to an embodiment of method.

Fig. 1 is the utility model discloses prefabricated panel pouring structure schematic diagram, fig. 2 is fig. 2 bed-jig erection mould installation connection structure schematic diagram, fig. 3 is the utility model discloses prefabricated panel hoist and mount location construction structure schematic diagram, fig. 4 is fig. 3 rigidity jib and dysmorphism fagging connection structure schematic diagram, fig. 5 is fig. 3 wears to establish location muscle and even restricts connection structure schematic diagram, fig. 6 is the utility model discloses movement joint obturator construction structure schematic diagram, fig. 7 is the utility model discloses anchor groove obturator construction structure schematic diagram.

Referring to fig. 1 to 7, a precast fabricated concrete pavement includes:

bed-jig bottom plate (4), bed-jig vertical mold (5), panel reinforcement cage (7), seam obturation plate (8), bed-jig crossbeam (10), bed-jig column (40), prefabricated panel (17)

The jig frame vertical molds (5) are arranged on the jig frame bottom plate (4), the jig frame bottom plate (4) and the jig frame vertical molds (5) are rotatably connected through vertical mold rotating hinges (6), the panel reinforcement cage (7) is arranged between the jig frame vertical molds (5), a joint sealing plate (8) is arranged at the joint of the jig frame vertical molds (5) and the jig frame bottom plate (4) and faces to the panel reinforcement cage (7), and a vertical mold supporting plate (9) is arranged at the side deviating from the panel reinforcement cage (7).

The jig frame bottom plate (4) is provided with a jig frame upright post (40), a jig frame cross beam (10) is arranged on the jig frame upright post (40), and a reinforcement cage hanging rod (12) connected with a reinforcement cage stirrup (11) of the panel reinforcement cage (7) is arranged on the jig frame cross beam (10).

A corner filling body (13) is arranged at the vertical joint of the two jig frame vertical molds (5), the position of the corner filling body (13) is limited by a corner hoop plate (14), and the corner hoop plate (14) is positioned at the vertical joint of the two jig frame vertical molds (5) and is connected with the two jig frame vertical molds (5).

After correcting the space position of the jig frame vertical mold (5), pouring into a space formed by the enclosed space of the jig frame vertical mold (5) and the jig frame bottom plate (4) to form a prefabricated panel (17). And after the concrete is poured to the height of the prestress penetrating pipe, the constraint of the reinforcement cage hanger rod (12) on the reinforcement cage stirrup (11) is removed.

Paving construction of the ductile transition layer (16) is carried out on the upper surface of the pavement base layer (1), and the top surface flatness and elevation of the ductile transition layer (16) are strictly controlled.

The bottom end of the hoisting connecting pipe (36) is provided with a supporting plate connecting groove (37) and is arranged on the bed jig bottom plate (4), the rigid hoisting rod (18) is arranged in the hoisting connecting pipe (36), the flexible hoisting cable (20) at the top end of the rigid hoisting rod (18) is connected with the hoisting cable connecting ring (21), external hoisting equipment is connected with the hoisting cable connecting ring (21), and the prefabricated panel (17) is hoisted to the ductility transition layer (16).

Specifically, the special-shaped supporting plate (19) at the bottom end of the rigid suspender (18) is inserted into the supporting plate connecting groove (37) at the bottom end of the hoisting connecting pipe (36), and the rigid suspender (18) is rotated to enable the long edge of the special-shaped supporting plate (19) to be perpendicular to the long edge of the hoisting connecting pipe (36).

The pre-stressed tendons penetrating through the positioning tendons (22) and the positioning tendon connecting ropes (23) are arranged in the panel reinforcement cage (7) penetrating through the pipe (3), and the positions of the penetrating positioning tendons (22) and the vertical deformation joints (24) of the prefabricated panel (17) are corresponding.

The position control body cross brace (25) is arranged on the side edge of the prefabricated panel (17), and the position control body vertical brace (26) is arranged on the top edge of the prefabricated panel (17). The spatial position of the prefabricated panel (17) is corrected through the position control body cross brace (25) and the position control body vertical brace (26).

Set up grout platform board (27) respectively in the both sides top at the vertical movement joint (24) position of prefabricated panel (17), set gradually grout platform stand (28) and grout platform crossbeam (29) on grout platform board (27), mirror symmetry sets up two obturation plate fastening bolt (30) on grout platform crossbeam (29), and make the bottom and the perpendicular welded connection of cementation of fissures obturation plate (31) of obturation plate fastening bolt (30), the one end of seam grout pipe (32) is passed and is inserted in vertical movement joint (24) behind cementation of fissures obturation plate (31), the other end links to each other with outside mud jacking equipment, carry out movement joint obturator (33) construction.

After the deformation joint filling body (33) forms strength, the prestressed lacing wire (45) is arranged in the prestressed tendon penetrating pipe (3) in a penetrating mode, the anchoring groove plate (2) is used as a tensioning supporting body, pre-tensioning tension is applied to the prestressed lacing wire (45), the wall-attached steel dies (34) are erected on two sides of the prefabricated panel (17), and the anchoring groove closing body (35) is poured into a cavity formed by enclosing the wall-attached steel dies (34) and the anchoring groove plate (2).

Concretely, panel steel reinforcement cage (7) include that steel reinforcement cage indulges muscle (15) and steel reinforcement cage stirrup (11) to set up prestressing tendons at the corner of the steel reinforcement cage stirrup (11) of lower floor and wear to establish pipe (3), inject the spatial position of hoist and mount connecting pipe (36) through panel steel reinforcement cage (7).

The prestressed tendon penetration pipe (3) is made of a PVC pipe and is bound and connected with the connected reinforcement cage stirrup (11). The hoisting connecting pipe (36) is a rubber pipe or a PVC pipe, the cross section of the hoisting connecting pipe is oval, and the bottom end of the hoisting connecting pipe is provided with a supporting plate connecting groove (37) connected with the special-shaped supporting plate (19).

The seam sealing plate (8) is a rubber plate and is stuck and connected with the jig frame vertical mold (5) and the jig frame bottom plate (4); the cross section of the vertical mould supporting plate (9) is L-shaped, a vertical mould position-correcting bolt (38) and a supporting plate fastening bolt (39) are respectively arranged between the vertical mould (5) of the moulding bed and the bottom plate (4) of the moulding bed, and the connection modes are screw connection.

The reinforcement cage suspender (12) is connected with the jig frame cross beam (10) through a screw, and a jig frame upright post (40) is arranged between the jig frame cross beam (10) and the jig frame bottom plate (4); the jig frame vertical molds (5) adopt steel molds or aluminum alloy molds, the outer side walls of the jig frame vertical molds are provided with L-shaped mold side connecting grooves (41), two sides of the corner hoop plate (14) are respectively inserted into the mold side connecting grooves (41) on the two jig frame vertical molds (5) which are connected, and the corner hoop plate (14) is firmly connected with the mold side connecting grooves (41) through a hoop plate fastening bolt (42).

The ductile transition layer (16) adopts a dense-graded binder-free gravel layer or an asphalt-stabilized gravel layer.

The special-shaped supporting plate (19) is formed by rolling a steel plate, the upper surface of the special-shaped supporting plate is vertically welded with the rigid suspender (18), the plane is oval, the long edge and the short edge of the special-shaped supporting plate are 1-2 cm smaller than the long edge and the short edge of the hoisting connecting pipe (36), and the long edge of the special-shaped supporting plate (19) is 1-2 cm longer than the short edge of the hoisting connecting pipe (36).

The positioning ribs (22) are arranged in a penetrating mode and are made of steel pipes or plain steel bars, the positioning ribs and the positioning ribs are connected with ropes (23) in a spaced mode, the center distance of the positioning ribs (22) is the same as the center distance of vertical deformation joints (24) of the prefabricated panel (17), and the positioning ribs are connected with the ropes (23) through steel wire ropes or nylon ropes.

The position control body transverse support (25) is vertically welded with the position control body support plate (44), is formed by combining a bolt and a screw rod, and has adjustable length, and the position control body vertical support (26) is vertically connected with the position control body support plate (44) through a screw; the vertical surface of the position control body support plate (44) is L-shaped and is formed by rolling a steel plate, the bottom end of the position control body support plate is vertically welded and connected with the position control body bottom plate (46), the position control body support plate (44) is formed by rolling the steel plate, and a vertical weight pressing body (43) is arranged on the position control body support plate.

The airtight plate fastening bolt (30) is connected with the grouting platform cross beam (29) through screws, and the deformation joint filling body (33) adopts self-compacting concrete or grouting material;

the anchoring groove closing body (35) is made of micro-expansion concrete.

The plane of the anchoring groove plate (2) is isosceles trapezoid, and the side wall of the anchoring groove plate is provided with a hole through which the prestressed tendon penetrating pipe (3) penetrates.

The pavement base (1) is a cement stabilized macadam base and has the thickness of 15 cm.

The anchoring groove plate (2) is formed by rolling a steel plate with the thickness of 10mm, and the plane is in an isosceles trapezoid shape.

The prestressed tendon penetration pipe (3) is a PVC pipe with the diameter of 60mm and is bound and connected with the connected reinforcement cage stirrup (11).

The jig frame vertical mould (5) is formed by rolling a steel plate with the thickness of 6mm, an L-shaped mould side connecting groove (41) is arranged on the outer side wall of the jig frame vertical mould, two sides of the corner hoop plate (14) are respectively inserted into the mould side connecting grooves (41) on the two jig frame vertical moulds (5) which are connected, and the corner hoop plate (14) is firmly connected with the mould side connecting grooves (41) through a hoop plate fastening bolt (42). The corner hoop plate (14) and the die side connecting groove (41) are rolled by steel plates with the thickness of 10 mm; the hoop plate fastening bolt (42) is formed by rolling a high-strength screw rod with the diameter of 30 mm. The vertical mould rotary hinge (6) adopts a rotary shaft with the diameter of 10 mm.

Panel steel reinforcement cage (7) are including steel reinforcement cage longitudinal reinforcement (15) and steel reinforcement cage stirrup (11) to set up prestressing tendons at the corner of the steel reinforcement cage stirrup (11) of lower floor and wear to establish pipe (3), inject the spatial position of hoist and mount connecting pipe (36) through panel steel reinforcement cage (7). The steel reinforcement cage longitudinal bars (15) and the steel reinforcement cage stirrups (11) are both made of twisted steel with the diameter of 12mm, and the hoisting connecting pipe (36) is 65mm long-side length and 50mm short-side length.

The seam airtight plate (8) is a rubber plate with the thickness of 1mm and is connected with the jig frame vertical die (5) and the jig frame bottom plate (4) in a sticking way. The bed-jig bottom plate (4) is formed by rolling a steel plate with the thickness of 10 mm.

The cross section of the vertical mould supporting plate (9) is L-shaped, a vertical mould position-correcting bolt (38) and a supporting plate fastening bolt (39) are respectively arranged between the vertical mould (5) of the moulding bed and the bottom plate (4) of the moulding bed, and the connection modes are screw connection. The vertical die position-correcting bolt (38) and the supporting plate fastening bolt (39) are respectively formed by rolling screws with the diameters of 10mm and 20 mm.

The jig frame cross beam (10) is formed by rolling a steel plate with the thickness of 2mm, the width of the steel plate is 20cm, and the height of the steel plate is 10 cm. The reinforcement cage suspender (12) is connected with the jig frame cross beam (10) through a screw, and a jig frame upright post (81) is arranged between the jig frame cross beam (10) and the jig frame bottom plate (4); the steel reinforcement cage suspender (12) adopts a screw rod with the diameter of 60 mm; the jig frame upright post (40) is formed by rolling a steel pipe with the diameter of 100 mm.

The corner filling body (13) adopts a rubber plate, the cross section of the rubber plate is square, and the width of the rubber plate is 6 mm.

The ductile transition layer (16) adopts a dense-graded binder-free crushed stone layer, and the thickness of the ductile transition layer is 10 cm.

The prefabricated panel (17) is a reinforced concrete panel with the strength grade of C35 and the thickness of the panel is 20 cm.

The rigid hanger rod (18) is formed by rolling and cutting a steel bar with the diameter of 32 mm.

The special-shaped supporting plate (19) is formed by rolling a steel plate, the upper surface of the special-shaped supporting plate is vertically welded and connected with the rigid suspender (18), the plane is oval, the length of the long side of the special-shaped supporting plate is 60mm, and the length of the short side of the special-shaped supporting plate is 45 mm.

The flexible sling (20) adopts a steel wire rope with the diameter of 20 mm.

The sling connecting ring (21) is rolled into a ring shape by adopting a steel bar with the diameter of 10mm, and the diameter of the ring is 10 cm. The positioning ribs (22) are arranged in a penetrating mode, steel pipes with the diameter of 30mm are adopted, the length of each section is 20cm, the positioning ribs and the connecting ropes (23) are arranged at intervals, and the center distance of the positioning ribs (22) is the same as that of the vertical deformation joints (24) of the prefabricated panel (17). The positioning rib connecting rope (23) adopts a steel wire rope with the diameter of 10mm, and the width of the vertical deformation joint (24) is 20 mm.

The position control body cross brace (25) is vertically welded with the position control body support plate (44), is formed by combining a stainless steel bolt with the diameter of 30mm and a screw rod, and has adjustable length, and the position control body support plate (44) is provided with a vertical weight pressing body (43). The vertical surface of the position control body support plate (44) is L-shaped and is formed by rolling a steel plate with the thickness of 10mm, the bottom end of the position control body support plate is vertically welded and connected with the position control body bottom plate (7), the vertical weight pressing body (43) is made of a concrete precast block, and the weight of a single block is 100 kg.

The vertical support (26) of the position control body is formed by rolling a screw rod with the diameter of 60 mm.

The grouting platform plate (27) is formed by rolling a steel plate with the thickness of 10 mm.

The grouting platform upright post (28) is formed by rolling a steel pipe with the diameter of 100 mm.

The grouting platform beam (29) is formed by rolling a steel plate with the thickness of 2mm, the width of the grouting platform beam is 20cm, and the height of the grouting platform beam is 10 cm.

The sealing plate fastening bolt (30) is formed by combining a high-strength bolt with the diameter of 30mm and a screw.

The crack pouring airtight plate (31) is formed by cutting a rubber plate with the thickness of 2 mm.

The joint grouting pipe (32) adopts a PVC pipe with the diameter of 50 mm.

The deformation joint filling body (33) is made of self-compacting concrete with the strength grade of C35.

The adherence steel die (34) adopts a steel die with the thickness of 3 mm.

The anchorage slot closing body (35) adopts micro-expansion concrete with the strength grade of C35.

The supporting plate connecting groove (37) is formed by cutting a foam plate with the thickness of 10mm, and the planar shape of the supporting plate connecting groove is the same as that of the special-shaped supporting plate (19).

The prestressed lacing wire (45) adopts a twisted steel with the diameter of 32 mm.

The bottom plate (46) of the position control body is formed by rolling a steel plate with the thickness of 10 mm.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. A precast fabricated concrete pavement, comprising:

the steel reinforcement structure comprises a jig frame bottom plate (4), jig frame vertical molds (5), a panel steel reinforcement cage (7), jig frame cross beams (10), jig frame stand columns (40), prefabricated panels (17), rigid suspension rods (18), a position control body cross brace (25), a position control body vertical brace (26), a grouting platform plate (27), a joint grouting pipe (32) and a hoisting connecting pipe (36);

the formwork bottom plate (4) is provided with formwork vertical molds (5), the panel reinforcement cage (7) is arranged between the formwork vertical molds (5), the formwork bottom plate (4) is provided with formwork columns (40), the formwork cross beam (10) is arranged on the formwork columns (40), the formwork cross beam (10) is provided with a reinforcement cage suspension rod (12) connected with reinforcement cage stirrups (11) of the panel reinforcement cage (7), the bottom end of the hoisting connection pipe (36) is provided with a supporting plate connecting groove (37) and is arranged on the formwork bottom plate (4), and a prefabricated panel (17) is poured in a space formed by the enclosing of the formwork vertical molds (5) and the formwork bottom plate (4);

a ductile transition layer (16) is laid on the pavement base layer (1), a rigid suspender (18) is arranged in a hoisting connecting pipe (36), a flexible sling (20) at the top end of the rigid suspender (18) is connected with a sling connecting ring (21), external hoisting equipment is connected with the sling connecting ring (21), and the prefabricated panel (17) is hoisted to the ductile transition layer (16);

accuse position body stull (25) set up at prefabricated panel (17) side, accuse position body erects to prop (26) and sets up at prefabricated panel (17) topside, the both sides top at the vertical movement joint (24) position of prefabricated panel (17) sets up grouting platform board (27) respectively, the one end of seam grout pipe (32) is inserted in vertical movement joint (24), the other end links to each other with outside mud jacking equipment, construction movement joint obturator (33) in vertical movement joint (24), adherence steel mould (34) are established to the both sides of prefabricated panel (17) support, pour into anchor groove obturator (35) in the cavity that adherence steel mould (34) and anchor groove board (2) enclose to close the formation.

2. The precast assembled concrete pavement according to claim 1, wherein the bed bottom plate (4) is rotatably connected with the bed vertical mold (5) through a bed vertical rotating hinge (6), a joint sealing plate (8) is arranged at the joint of the bed vertical mold (5) and the bed bottom plate (4) and faces the side of the panel reinforcement cage (7), and a bed vertical supporting plate (9) is arranged at the side deviating from the panel reinforcement cage (7).

3. A precast fabricated concrete pavement according to claim 1, wherein a corner filler (13) is provided at the vertical junction of the two jig frame erected forms (5), and the corner hoop plate (14) is provided at the vertical junction of the two jig frame erected forms (5) and connects the two jig frame erected forms (5).

4. The precast assembled concrete pavement according to claim 1, wherein the shaped supporting plate (19) at the bottom end of the rigid hanger bar (18) is inserted into the supporting plate connecting groove (37) at the bottom end of the hoisting connecting pipe (36), and the rigid hanger bar (18) is rotated so that the long side of the shaped supporting plate (19) is perpendicular to the long side of the hoisting connecting pipe (36).

5. The precast assembled concrete pavement according to claim 1, wherein the through positioning ribs (22) and the positioning rib connecting ropes (23) are arranged in the prestressed rib through pipes (3) of the panel reinforcement cage (7), and the through positioning ribs (22) correspond to the vertical deformation joints (24) of the precast panels (17).

6. The precast assembled concrete pavement according to claim 1, characterized in that grouting platform plates (27) are respectively arranged above two sides of the vertical deformation joint (24) of the precast panel (17), grouting platform upright posts (28) and grouting platform cross beams (29) are sequentially arranged on the grouting platform plates (27), two sealing plate fastening bolts (30) are symmetrically arranged on the grouting platform cross beams (29) in a mirror image manner, the bottom ends of the sealing plate fastening bolts (30) are vertically welded with the grouting sealing plates (31), one ends of joint grouting pipes (32) penetrate through the grouting sealing plates (31) and then are inserted into the vertical deformation joint (24), and the other ends of the joint grouting pipes are connected with external grouting equipment to carry out deformation joint filling body (33) construction.

7. Prefabricated assembled concrete pavement according to claim 1, characterized in that the panel reinforcement cage (7) comprises reinforcement cage longitudinal reinforcements (15) and reinforcement cage stirrups (11), and that the prestressing tendons are provided at the corners of the reinforcement cage stirrups (11) of the lower course through the tubes (3).

8. The precast assembled concrete pavement according to claim 2, wherein the joint obturation plate (8) is adhesively connected with the jig frame vertical mold (5) and the jig frame bottom plate (4); the cross section of the vertical mould supporting plate (9) is L-shaped, a vertical mould position-correcting bolt (38) and a supporting plate fastening bolt (39) are respectively arranged between the vertical mould (5) of the moulding bed and the bottom plate (4) of the moulding bed, and the connection modes are screw connection.

9. The precast assembled concrete pavement according to claim 3, wherein both sides of the corner hoop plate (14) are inserted into the mold side coupling grooves (41) of the two jig frame erected molds (5) joined to each other, respectively, and the corner hoop plate (14) is firmly coupled to the mold side coupling grooves (41) by the hoop plate fastening bolts (42).

10. The precast assembled concrete pavement according to claim 1, wherein the position control body wales (25) are vertically welded to the position control body support plates (44), and the position control body wales (26) are vertically connected to the position control body support plates (44) through screws; the vertical surface of the position control body support plate (44) is L-shaped, the bottom end of the position control body support plate is vertically welded and connected with the position control body bottom plate (46), and the position control body support plate (44) is provided with a vertical weight pressing body (43).