CN111172969B - Assembly type guide wall system and construction method thereof - Google Patents
Assembly type guide wall system and construction method thereof Download PDFInfo
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- CN111172969B CN111172969B CN202010022311.3A CN202010022311A CN111172969B CN 111172969 B CN111172969 B CN 111172969B CN 202010022311 A CN202010022311 A CN 202010022311A CN 111172969 B CN111172969 B CN 111172969B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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Abstract
The invention discloses an assembled guide wall system and a construction method thereof, wherein the guide wall system comprises vertical guide walls connected to the two vertical sides of a guide groove, horizontal guide walls which are respectively detachably connected with the vertical guide walls and are positioned on the ground at the top of the groove edge of the guide groove, and a tail plate and a bolt which are connected with the outer side of the horizontal guide wall, wherein a grouting hole is arranged at one side of the horizontal guide wall close to the vertical guide wall and corresponds to a gap between the vertical guide wall and the side wall of the guide groove. During construction, the requirements of guide wall arrangement during underground continuous wall construction can be met through the arrangement of the vertical guide wall and the horizontal guide wall; the detachable connection between the vertical guide walls or the horizontal guide walls is facilitated through the arrangement of the inserted rod, the bearing groove, the first buckle plate and the second buckle plate; the arrangement of the butt joint plate can be used for connecting horizontal guide walls on the same side; the arrangement of the tail plate and the bolts is beneficial to connecting the horizontal guide wall with the ground, so that the integrity of the guide wall system is ensured; through setting up the slip casting hole, do benefit to and supply the space between vertical wall of leading and guide slot, increase vertical installation precision and the anti side ability of leading the wall.
Description
Technical Field
The invention belongs to the field of underground continuous wall construction, and particularly relates to an assembled guide wall system and a construction method thereof.
Background
The guide wall is the most important construction measure in diaphragm wall construction, and is the key for ensuring the accurate position and the grooving quality of the diaphragm wall. At present, cast-in-place reinforced concrete guide walls are mostly adopted for underground diaphragm wall guide walls, the site is emptied and leveled firstly during guide wall construction, then steel bar binding, template installation, concrete pouring and other work are carried out, and the concrete guide walls are broken after the underground diaphragm wall construction is finished. The disposable input is large, the recycling is not available, the payment is needed when the garbage is broken, and meanwhile, the solid construction garbage is generated, which is not beneficial to environmental protection. The guide wall is made of steel plates, but the installation operation is complex and the guide wall is not designed with the prior guide groove.
Disclosure of Invention
The invention provides an assembled guide wall system and a construction method thereof, which are used for solving the technical problems of convenient installation of guide walls, detachable picture connection and support between adjacent or opposite guide walls, targeted design between the guide walls and the ground and between the guide grooves and the like during construction of underground continuous walls.
In order to achieve the purpose, the invention adopts the following technical scheme:
an assembled guide wall system comprises vertical guide walls connected to two vertical sides of a guide groove, horizontal guide walls which are detachably connected with the vertical guide walls respectively and are positioned on the ground at the top of the groove edge of the guide groove, a tail plate connected to the outer side of the horizontal guide walls, and bolts connected between the tail plate and the ground;
the vertical guide wall and the horizontal guide wall are formed by assembling in the longitudinal direction of the guide groove; grouting holes are formed in one side, close to the vertical guide wall, of the horizontal guide wall, corresponding to gaps between the vertical guide wall and the side walls of the guide grooves, and the grouting holes are formed in the guide grooves at intervals in the longitudinal direction;
inclined struts are connected between the opposite vertical guide walls, and the adjacent vertical guide walls on one side are detachably connected through connecting inserted bars and bearing grooves respectively;
the horizontal connecting rods are connected between the opposite horizontal guide walls, the adjacent horizontal guide walls on one side are detachably connected through the first buckling plates and the second buckling plates, and the adjacent horizontal guide walls on one side can also be detachably connected with the butt-joint piece.
Furthermore, the vertical guide wall comprises vertical main keels, vertical secondary keels vertically connected between the vertical main keels and guide wall panels connected to two sides of each vertical main keel and each vertical secondary keel; and a stiffening rib plate is connected between the vertical main keel and the vertical secondary keel, and a reinforcing rod is connected between adjacent vertical main keels or adjacent vertical secondary keels.
Furthermore, diagonal bracing connecting pieces are symmetrically arranged on the vertical main keels at two sides of the vertical guide wall at intervals, and the diagonal bracing connecting pieces are symmetrically arranged on the vertical main keels at two sides of the guide groove; the bracing connecting piece is detachably connected to the vertical main keel through a connecting plate and a nut.
Furthermore, the end parts of the two sides of the vertical guide wall are vertically connected with an inserted bar and a bearing groove respectively; the inserted bar is a side I-shaped piece or an H-shaped piece, the bearing groove is a U-shaped piece with two opposite openings, and the distance between the opposite sides of the two U-shaped pieces is suitable for the thickness of the web plate of the inserted bar.
Furthermore, the wall panel is bent outwards or inwards at the bottom of the vertical guide wall, and the bending angle of the wall panel meets the design angle requirement of the bottom of the guide groove.
Furthermore, the horizontal guide wall comprises a horizontal main keel, a horizontal secondary keel vertically connected to the horizontal main keel and guide wall panels connected to two sides of the horizontal main keel and the horizontal secondary keel; and reinforcing rods are arranged between the adjacent horizontal main keels or between the adjacent horizontal secondary keels.
Furthermore, two sides of each horizontal guide wall are respectively connected with a first buckling plate and a second buckling plate, and the connecting end parts of the adjacent horizontal guide walls on one side are respectively clamped and connected through the first buckling plates and the second buckling plates; the first buckling plate and the second buckling plate are arranged on the horizontal guide wall in a transverse passing mode.
Furthermore, the outer side of the horizontal guide wall is provided with a tail plate along the length direction of the guide groove, the tail plate is an L-shaped plate, and one side of an internal corner is arranged outwards; the transverse part of the tail plate is detachably connected with the ground through bolts arranged at intervals.
Furthermore, a connecting plate is connected to the horizontal main keel in the horizontal guide wall, and the connecting plate is T-shaped, I-shaped or square-shaped; the connecting plates on the opposite horizontal guide walls are symmetrically arranged and detachably connected with the horizontal connecting rods through bolts or pin rods.
Furthermore, the top of the horizontal guide wall is connected with a butt plate, and the butt plates are symmetrically arranged on the adjacent horizontal wall on one side; the butt joint plate is connected with a butt joint piece, wherein the butt joint piece is a rod piece, and the butt joint piece and the butt joint plate are detachably connected through a bolt or a pin rod.
Further, the construction method of the assembly type guide wall system comprises the following specific steps:
step one, during construction, the center line of the underground continuous wall, the side line of the underground continuous wall, the earthwork excavation side line and the concrete hardening side line are released, concrete hardening is carried out on the site according to a setting-out result, and after the concrete hardening is finished, groove forming tooling equipment is used for carrying out guide groove excavation on the underground continuous wall.
Designing the length, width and height of the horizontal guide wall and the vertical guide wall according to the length of the guide groove, and prefabricating and installing the horizontal guide wall, the vertical guide wall and connecting members thereof; and releasing the horizontal guide wall to install a control line, hoisting the first horizontal guide wall and the vertical guide wall through the ear plates, drilling expansion bolts at the hole positions of the tail plates to fix the horizontal guide wall on the ground hardened concrete, and then positioning and adjusting.
And step three, after the horizontal guide wall and the vertical guide wall are adjusted, immediately mounting and positioning adjustment are carried out on the horizontal guide wall and the vertical guide wall on the opposite side, and after the adjustment is finished, the horizontal guide wall and the vertical guide wall are connected and fixed through the inclined strut and the horizontal connecting rod.
Step four, mounting the horizontal guide wall and the vertical guide wall of the second unit according to the mounting and adjusting modes of the horizontal guide wall and the vertical guide wall in the step two and the step three until the whole designed guide groove is mounted; the adjacent horizontal guide walls on one side are connected through a first buckling plate and a second buckling plate and are further reinforced through a butt joint piece; the adjacent vertical guide wall cylinders on one side are connected with the bearing groove through the inserted bar; the joints are all connected with sealing strips.
Step five, after the horizontal guide wall and the vertical guide wall are fixed, backfilling by using slotted soil, and properly compacting the backfilling height which is not lower than 300mm above the lower opening of the vertical guide wall; and (3) plugging gaps between two sides of the vertical guide wall and the soil body by adopting a flexible material, and grouting by utilizing a grouting hole at the top of the horizontal guide wall.
Step six, after the steps are completed, constructing the underground continuous wall, and after the concrete pouring of the underground continuous wall is completed and the final setting is completed (10 hours), dismantling the horizontal guide wall and the vertical guide wall at the corresponding positions; and (3) dismantling the horizontal guide wall and the vertical guide wall in a reverse order of installation, cleaning the horizontal guide wall and the vertical guide wall after dismantling, and finishing the deformation of the horizontal guide wall and the vertical guide wall.
The invention has the beneficial effects that:
1) the invention can meet the requirement of guide wall arrangement during the construction of the underground continuous wall by arranging the vertical guide walls and the horizontal guide walls, wherein the vertical guide walls, the horizontal guide walls and the vertical guide walls and the horizontal guide walls are detachably connected, so that the construction, installation and disassembly are convenient, and the prefabricated and repeated use is facilitated;
2) the vertical guide wall or the horizontal guide wall is detachably connected through the arrangement of the inserted rod, the bearing groove, the first buckle plate and the second buckle plate, and the installation and fastening performance is realized; the arrangement of the stiffening rib plates and the reinforcing rods is beneficial to providing the integral rigidity of the vertical guide wall and the horizontal guide wall; the arrangement of the butt joint plates can not be used for the connection of horizontal guide walls on the same side in construction, so that the connection integrity is improved;
3) according to the invention, through the arrangement of the tail plate and the bolt, the horizontal guide wall is favorably connected with the ground at the upper part of the guide groove, so that the integrity of a guide wall system is ensured; the grouting holes are formed in the horizontal guide wall, so that the gap between the vertical guide wall and the guide groove is favorably complemented, and the mounting accuracy and the lateral resistance of the vertical guide wall are improved;
in addition, the application of the assembly type guide wall system can greatly save the application of the concrete guide wall, save materials, has good construction site adaptability, and is beneficial to providing construction quality and saving construction cost; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a front view of a fabricated wall guide system;
FIG. 2 is a side view of the fabricated guide wall system;
FIG. 3 is a schematic sectional view A-A;
FIG. 4 is a schematic view of horizontal guide wall splicing installation;
FIG. 5 is a schematic view of the connection structure of the first and second gusset plates;
FIG. 6 is a schematic view of the connecting structure of the insert rod and the socket;
FIG. 7 is a front view of a single guide wall in construction and installation;
FIG. 8 is a top view of a single guide wall construction installation;
FIG. 9 is a front view of construction and installation of the double-sided guide wall;
FIG. 10 is a top view of a double-sided guide wall construction installation;
FIG. 11 is a front view of a double-sided guide wall connection structure;
FIG. 12 is a top view of the construction of the double-sided guide wall connection structure;
FIG. 13 is a top view of the guide wall splicing structure;
FIG. 14 is a grouting construction drawing of a guide wall splicing structure.
Reference numerals: 1-vertical guide wall, 101-vertical main keel, 102-vertical secondary keel, 2-horizontal guide wall, 201-horizontal main keel, 202-horizontal secondary keel, 3-guide wall panel, 4-inserted bar, 5-bearing groove, 6-first buckle plate, 7-second buckle plate, 8-connecting plate, 9-butt plate, 10-grouting hole, 11-diagonal connector, 12-reinforcing bar, 13-tail plate, 14-bolt, 15-horizontal connecting rod, 16-diagonal, 17-butt connector, 18-guide groove, 19-installation control line and 20-ear plate.
Detailed Description
As shown in fig. 1, 2, 3 and 13, an assembled guide wall system comprises vertical guide walls 1 connected to two vertical sides of a guide groove 18, horizontal guide walls 2 detachably connected to the vertical guide walls 1 and located on the ground at the top of the groove edge of the guide groove 18, a tail plate 13 connected to the outer side of the horizontal guide wall 2, and bolts 14 connected between the tail plate 13 and the ground.
In this embodiment, the vertical guide wall 1 includes vertical main joists 101 vertically spaced apart, vertical secondary joists 102 vertically connected between the vertical main joists 101, and guide wall panels 3 connected to both sides of the vertical main joists 101 and the vertical secondary joists 102; wherein perpendicular main joist 101 and perpendicular secondary joist 102 all adopt square pipe or channel-section steel preparation to form, and the wall panel 3 is formed through the steel sheet preparation, and the steel sheet outside still scribbles anticorrosive antirust coating. The external dimension of each unit vertical guide wall 1 is 1400 multiplied by 800 multiplied by 4200 mm. The bottom guide wall panel 3 of the vertical guide wall 1 is bent outwards or inwards, and the bending angle of the vertical guide wall meets the design angle requirement of the bottom of the guide groove 18.
In this embodiment, a stiffening rib plate is connected between the vertical main keel 101 and the vertical secondary keel 102, the stiffening rib plate is a triangular steel plate, and the stiffening rib plates are symmetrically disposed at two ends of the vertical guide wall 1. The reinforcing rods 12 are connected between the adjacent vertical main keels 101, the reinforcing rods 12 are steel rods and are symmetrically welded at two ends of the vertical guide wall 1, or the reinforcing rods 12 can be connected between the adjacent vertical secondary keels 102.
In the embodiment, the vertical main keels 101 on two sides of the vertical guide wall 1 are symmetrically provided with the inclined strut connecting pieces 11 at intervals, and the inclined strut connecting pieces 11 on the vertical main keels 101 on two sides of the guide groove 18 are symmetrically arranged; the inclined strut connecting piece 11 is a steel rod body, and the inclined strut connecting piece 11 is detachably connected to the vertical main keel 101 through a connecting plate 8 and a nut. The diagonal brace 16 connected by the diagonal brace connecting member 11 facilitates both the support of the inside of the vertical guide wall 1 and the adjustment of the installation of the diagonal brace 16 according to the width of the guide groove 18.
In this embodiment, the horizontal guide wall 2 includes a horizontal main keel 201, a horizontal secondary keel 202 vertically connected to the horizontal main keel 201, and a guide wall panel 3 connected to both sides of the horizontal main keel 201 and the horizontal secondary keel 202; wherein horizontal main joist 201 and horizontal secondary joist 202 all adopt square pipe or channel-section steel preparation to form, and the wall panel 3 is formed through the steel sheet preparation, and the steel sheet outside still scribbles anticorrosive antirust coating. The outer dimension of each unit horizontal guide wall 2 is 1400X 800X 4200 mm. The outer side of the horizontal guide wall 2 is welded with a tail plate 13 along the length direction of the guide groove 18, the tail plate 13 is an L-shaped steel plate, and one side of an internal corner is arranged outwards; the transverse part of the tail plate 13 is detachably connected with the ground through bolts 14 arranged at intervals.
In the embodiment, the reinforcing rods 12 are arranged between the adjacent horizontal main keels 201 or the adjacent horizontal secondary keels 202, and the reinforcing rods 12 are used for carrying out local encryption so as to meet the requirement of local high bearing capacity; in addition, the horizontal cross runners 202 may be reinforced locally by connecting stiffening ribs between the horizontal cross runners and the horizontal cross runners.
In the embodiment, the horizontal main keel 201 in the horizontal guide wall 2 is connected with the connecting plate 8, the connecting plate 8 is a steel piece, and the connecting plate 8 is T-shaped, I-shaped or square; the connecting plates 8 on the opposite horizontal guide walls 2 are symmetrically arranged and are detachably connected with horizontal connecting rods 15 through bolts or pin rods. Wherein, the horizontal connecting rod 15 is a steel rod, and a connecting hole is arranged on the horizontal connecting rod 15 corresponding to the bolt or the pin rod.
In this embodiment, the horizontal guide wall 2 and the guide wall panel 3 of the vertical guide wall 1 are integrally manufactured or welded in the later period, and the strength and the sealing performance of the welding position are not less than those of the original structure. The vertical main keel 101 or the vertical secondary keel 102 in the horizontal guide wall 2 is detachably connected with the horizontal main keel 201 and the horizontal secondary keel 202 in the horizontal guide wall 2 through bolts, pins or connecting plates 8.
As shown in fig. 4, the horizontal guide wall 2 is formed by assembling in the longitudinal direction of the guide groove 18, grouting holes 10 are arranged on one side of the horizontal guide wall 2 close to the vertical guide wall 1 corresponding to a gap between the vertical guide wall 1 and the side wall of the guide groove 18, and the grouting holes 10 are arranged at intervals in the longitudinal direction of the guide groove 18; the top of the horizontal guide wall 2 is connected with two butt-joint plates 9, the butt-joint plates 9 are T-shaped, I-shaped or square steel pieces, and the butt-joint plates 9 are symmetrically arranged on the adjacent horizontal wall on one side; the butt plate 9 is used for connecting a lifting rope of a lifting appliance or connecting a butt piece 17, wherein the butt piece 17 is a steel rod piece and is connected between two adjacent horizontal guide walls 2 on one side, and the butt piece 17 is detachably connected with the butt plate 9 through a bolt or a pin rod.
As shown in fig. 5, two sides of the horizontal guide wall 2 are respectively connected with a first buckle plate 6 and a second buckle plate 7, and the connecting end parts of the adjacent horizontal guide walls 2 on one side are respectively clamped through the first buckle plate 6 and the second buckle plate 7; the first buckle plate 6 and the second buckle plate 7 are transversely arranged on the horizontal guide wall 2 in a passing mode; the first buckle 6 and the second buckle 7 are made of steel plates, and the first buckle 6 and the second buckle 7 are U-shaped parts with opposite openings.
As shown in fig. 6, the two side ends of the vertical guide wall 1 are vertically connected with an inserted bar 4 and a bearing groove 5, respectively, and the inserted bar 4 and the bearing groove 5 are made of steel. The inserted bar 4 is a side I-shaped piece or an H-shaped piece, the socket is a U-shaped piece with two opposite openings, and the distance between the opposite sides of the two U-shaped pieces is suitable for the thickness of a web plate of the inserted bar 4.
With reference to fig. 1 to 14, a construction method of an assembled guide wall system is further described, which includes the following specific steps:
step one, during construction, the center line of the underground continuous wall, the side line of the underground continuous wall, the earthwork excavation side line and the concrete hardening side line are released, concrete hardening is carried out on the site according to a setting-out result, and after the concrete hardening is finished, groove forming tooling equipment is used for excavating the guide groove 18 of the underground continuous wall.
Designing the length, width and height of the horizontal guide wall 2 and the vertical guide wall 1 according to the length of the guide groove 18, and prefabricating and installing the horizontal guide wall 2, the vertical guide wall 1 and connecting members thereof; as shown in fig. 7 and 8, the installation control line 19 of the horizontal guide wall 2 is released, the first horizontal guide wall 2 and the vertical guide wall 1 are hoisted by the ear plate 20, the expansion bolt 14 is driven at the opening part of the tail plate 13 to fix the horizontal guide wall 2 on the ground hardened concrete, and then the positioning adjustment is carried out.
Step three, after the horizontal guide wall 2 and the vertical guide wall 1 are adjusted, as shown in fig. 9 and fig. 10, the installation and positioning adjustment of the horizontal guide wall 2 and the vertical guide wall 1 on the opposite side are immediately carried out; after the completion, as shown in fig. 11 and 12, the connection and fixation are performed by the inclined strut 16 and the horizontal connecting rod 15.
Step four, according to the installation and adjustment modes of the horizontal guide wall 2 and the vertical guide wall 1 in the step two and the step three, as shown in fig. 13, the horizontal guide wall 2 and the vertical guide wall 1 of the second unit are installed, and thus, the whole designed guide groove 18 is completed; the adjacent horizontal guide walls 2 on one side are connected through a first buckling plate 6 and a second buckling plate 7 and are further reinforced through a butt joint part 17; the adjacent vertical guide wall 1 cylinders on one side are connected with a bearing groove 5 through an inserted bar 4; the joints are all connected with sealing strips.
Step five, after the horizontal guide wall 2 and the vertical guide wall 1 are fixed, backfilling by utilizing slotted soil, and properly compacting the backfilled soil until the backfilling height is not lower than 300mm above the lower opening of the vertical guide wall 1; as shown in fig. 14, the gaps between the two sides of the vertical guide wall 1 and the soil body are blocked by using flexible materials, and grouting is performed by using a grouting hole 10 at the top of the horizontal guide wall 2.
Step six, after the steps are completed, constructing the underground continuous wall, and after the concrete pouring of the underground continuous wall is completed and the final setting is completed (10 hours), dismantling the horizontal guide wall 2 and the vertical guide wall 1 at the corresponding positions; and (3) dismantling the horizontal guide wall 2 and the vertical guide wall 1 in a reverse order of installation, cleaning after dismantling, and finishing the deformation of the horizontal guide wall 2 and the vertical guide wall 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. The assembled guide wall system is characterized by comprising vertical guide walls (1) connected to two vertical sides of a guide groove (18), horizontal guide walls (2) which are detachably connected with the vertical guide walls (1) respectively and are positioned on the ground at the tops of groove edges of the guide groove (18), tail plates (13) connected to the outer sides of the horizontal guide walls (2), and bolts (14) connected between the tail plates (13) and the ground;
the vertical guide wall (1) and the horizontal guide wall (2) are formed by assembling in the longitudinal direction of the guide groove (18); grouting holes (10) are formed in one side, close to the vertical guide wall (1), of the horizontal guide wall (2) and correspond to gaps between the vertical guide wall (1) and the side walls of the guide groove (18), and the grouting holes (10) are formed in the guide groove (18) at intervals in the longitudinal direction;
inclined struts (16) are connected between the opposite vertical guide walls (1), and the adjacent vertical guide walls (1) on one side are detachably connected through connecting inserted bars (4) and bearing grooves (5) respectively;
the horizontal connecting rods (15) are connected between the opposite horizontal guide walls (2), the adjacent horizontal guide walls (2) on one side are detachably connected through the first buckling plates (6) and the second buckling plates (7), and the adjacent horizontal guide walls (2) on one side can also be detachably connected with the butt-joint pieces (17).
2. The assembled guide wall system of claim 1, wherein the vertical guide wall (1) comprises vertical main keels (101) which are vertical, vertical secondary keels (102) which are vertically connected between the vertical main keels (101), and guide wall panels (3) which are connected to two sides of the vertical main keels (101) and the vertical secondary keels (102); and a stiffening rib plate is connected between the vertical main keel (101) and the vertical secondary keel (102), and a reinforcing rod (12) is connected between the adjacent vertical main keel (101) or the adjacent vertical secondary keel (102).
3. The assembled guide wall system of claim 2, wherein the vertical main keels (101) at two sides of the vertical guide wall (1) are symmetrically provided with the inclined strut connecting pieces (11) at intervals, and the inclined strut connecting pieces (11) on the vertical main keels (101) at two sides of the guide groove (18) are symmetrically provided; the inclined strut connecting piece (11) is a rod body and is detachably connected to the vertical main keel (101) through a connecting plate (8) and a nut.
4. The assembled guide wall system of claim 2, wherein the two side ends of the vertical guide wall (1) are vertically connected with an inserted bar (4) and a bearing groove (5) respectively; the inserted bar (4) is a side I-shaped piece or an H-shaped piece, the socket (5) is a U-shaped piece with two opposite openings, and the distance between the opposite sides of the two U-shaped pieces is suitable for the thickness of a web plate of the inserted bar (4); the bottom of the vertical guide wall (1) is provided with a guide wall panel (3) which is bent outwards or inwards, and the bending angle of the guide wall panel meets the design angle requirement of the bottom of the guide groove (18).
5. An assembled guide wall system according to claim 1, wherein the horizontal guide wall (2) comprises a horizontal main joist (201), a horizontal cross joist (202) vertically connected to the horizontal main joist (201), and guide wall panels (3) connected to both sides of the horizontal main joist (201) and the horizontal cross joist (202); and reinforcing rods (12) are arranged between the adjacent horizontal main keels (201) or the adjacent horizontal secondary keels (202).
6. The assembled guide wall system according to claim 5, wherein a first buckle plate (6) and a second buckle plate (7) are respectively connected to two sides of the horizontal guide wall (2), and the connecting end parts of the adjacent horizontal guide walls (2) on one side are respectively clamped through the first buckle plate (6) and the second buckle plate (7); the first buckle plate (6) and the second buckle plate (7) are transversely arranged on the horizontal guide wall (2) in a passing mode.
7. An assembled guide wall system according to claim 5, wherein the outer side of the horizontal guide wall (2) is provided with a tail plate (13) along the length direction of the guide groove (18), the tail plate (13) is an L-shaped plate, and the inner corner side is arranged outwards; the transverse part of the tail plate (13) is detachably connected with the ground through bolts (14) arranged at intervals.
8. The assembled guide wall system of claim 5, wherein the horizontal main keel (201) of the horizontal guide wall (2) is connected with a connecting plate (8), and the connecting plate (8) is T-shaped, I-shaped or square; the upper connecting plates (8) of the opposite horizontal guide walls (2) are symmetrically arranged and detachably connected with the horizontal connecting rods (15) through bolts or pin rods.
9. An assembled guide wall system according to claim 5, characterized in that the top of the horizontal guide wall (2) is connected with a butt plate (9), and the butt plate (9) is symmetrically arranged on one side adjacent to the horizontal wall; the butt joint plate (9) is connected with a butt joint piece (17), wherein the butt joint piece (17) is a rod piece, and the butt joint piece (17) is detachably connected with the butt joint plate (9) through a bolt or a pin rod.
10. A construction method of the fabricated guide wall system according to any one of claims 1 to 9, comprising the following steps:
step one, during construction, a central line of the underground continuous wall, a side line of the underground continuous wall, an earth excavation side line and a concrete hardening side line are released, concrete hardening is carried out on a field according to a paying-off result, and after the concrete hardening is finished, groove forming tooling equipment is used for excavating a guide groove (18) of the underground continuous wall;
secondly, designing the length, the width and the height of the horizontal guide wall (2) and the vertical guide wall (1) according to the length of the guide groove (18), and prefabricating and installing the horizontal guide wall (2), the vertical guide wall (1) and connecting members thereof; a mounting control line (19) of the horizontal guide wall (2) is released, the first horizontal guide wall (2) and the vertical guide wall (1) are hoisted through the ear plates (20), bolts are screwed at the hole positions of the tail plates (13) to fix the horizontal guide wall (2) on the ground hardened concrete, and then positioning adjustment is carried out;
step three, after the horizontal guide wall (2) and the vertical guide wall (1) are adjusted, immediately mounting, positioning and adjusting the horizontal guide wall (2) and the vertical guide wall (1) on the opposite side, and after the adjustment is finished, connecting and fixing the horizontal guide wall (2) and the vertical guide wall through an inclined strut (16) and a horizontal connecting rod (15);
step four, mounting the horizontal guide wall (2) and the vertical guide wall (1) of the second unit according to the mounting and adjusting modes of the horizontal guide wall (2) and the vertical guide wall (1) in the step two and the step three until the whole designed guide groove (18) is mounted; the horizontal guide walls (2) adjacent to one side are connected through a first buckling plate (6) and a second buckling plate (7) and are further reinforced through a butt joint piece (17); the adjacent vertical guide wall (1) cylinders on one side are connected with the bearing groove (5) through the inserted bar (4); the joints are connected with sealing strips;
fifthly, after the horizontal guide wall (2) and the vertical guide wall (1) are fixed, backfilling by utilizing slotted soil, and properly compacting the backfilled vertical guide wall (1) when the backfilling height is not lower than 300mm above the lower opening of the vertical guide wall; the gaps between the two sides of the vertical guide wall (1) and the soil body are plugged by adopting flexible materials, and grouting is performed by utilizing a grouting hole (10) at the top of the horizontal guide wall (2);
sixthly, constructing the underground continuous wall after the steps are completed, and dismantling the horizontal guide wall (2) and the vertical guide wall (1) at corresponding positions after the concrete of the underground continuous wall is poured and finally set (10 h); and (3) dismantling the horizontal guide wall (2) and the vertical guide wall (1) in a reverse order of installation, cleaning after dismantling, and finishing the deformation of the horizontal guide wall (2) and the vertical guide wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010022311.3A CN111172969B (en) | 2020-01-09 | 2020-01-09 | Assembly type guide wall system and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010022311.3A CN111172969B (en) | 2020-01-09 | 2020-01-09 | Assembly type guide wall system and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111172969A CN111172969A (en) | 2020-05-19 |
| CN111172969B true CN111172969B (en) | 2021-07-13 |
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| CN202010022311.3A Active CN111172969B (en) | 2020-01-09 | 2020-01-09 | Assembly type guide wall system and construction method thereof |
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| CN111809634A (en) * | 2020-08-19 | 2020-10-23 | 中国五冶集团有限公司 | Steel guide wall for hole forming construction of secant pile |
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| CN207959181U (en) * | 2018-01-26 | 2018-10-12 | 广东省水利水电第三工程局有限公司 | It is a kind of to lead wall reinforcing member for karst area lattice ground-connecting-wall |
| CN209509014U (en) * | 2018-08-24 | 2019-10-18 | 广州地铁设计研究院股份有限公司 | A kind of Prefabricated composite guide wall of underground continuous wall structure |
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| CN109930591B (en) * | 2019-02-25 | 2020-11-27 | 安徽省公路桥梁工程有限公司 | Underground continuous wall and construction method thereof |
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