CN115717407A - Retaining wall single-face formwork structure of ultra-high steep slope and construction method thereof - Google Patents
Retaining wall single-face formwork structure of ultra-high steep slope and construction method thereof Download PDFInfo
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- CN115717407A CN115717407A CN202211501354.5A CN202211501354A CN115717407A CN 115717407 A CN115717407 A CN 115717407A CN 202211501354 A CN202211501354 A CN 202211501354A CN 115717407 A CN115717407 A CN 115717407A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The invention relates to a retaining wall single-face formwork structure of an ultra-high steep side slope and a construction method thereof, wherein the retaining wall single-face formwork structure comprises the following steps: the template is arranged corresponding to the formwork supporting position of the retaining wall; the anchor cable fixing device comprises a plurality of rows of anchor cables arranged at intervals in the height direction of a template, wherein each row of anchor cables are distributed at intervals in the length direction of the template, one ends of the anchor cables are anchored in side slope rocks, the other ends of the anchor cables extend out of the template and are fixed on the template, and the anchor cables are tensioned through prestress to fix the template. This application need not to support along the highly through-length bracing steel pipe of template, has reduced construction cost, and it is more convenient to be under construction.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a retaining wall single-face formwork structure of an ultrahigh steep side slope and a construction method thereof.
Background
In the construction of the slope retaining wall, a method of supporting a formwork on one side is needed to reinforce the formwork, and then concrete is poured to form the retaining wall. In the prior art, the support steel pipe is usually obliquely arranged on the outer side of the template and is supported between the template and the ground, so that the template is supported and fixed, and the retaining wall construction for the ultra-high steep side slope is realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a retaining wall single-side formwork structure of an ultra-high steep side slope and a construction method thereof, so as to solve the problems of high manufacturing cost, high transportation and construction cost and difficult construction operation caused by the adoption of a formwork supporting mode of an ultra-long supporting steel pipe for the existing retaining wall of the ultra-high steep side slope.
In order to achieve the purpose, the invention provides a retaining wall single-side formwork structure of an ultra-high steep side slope, which comprises:
the template is arranged corresponding to the formwork supporting position of the retaining wall;
the anchor cable fixing device comprises a plurality of rows of anchor cables arranged at intervals in the height direction of a template, wherein each row of anchor cables are distributed at intervals in the length direction of the template, one ends of the anchor cables are anchored in side slope rocks, the other ends of the anchor cables extend out of the template and are fixed on the template, and the anchor cables are tensioned through prestress to fix the template.
According to the invention, a plurality of rows of anchor cables are arranged at intervals along the height direction of the template, one ends of the anchor cables are anchored in the side slope rock, the other ends of the anchor cables extend out of the template and are fixed on the template, and the anchor cables are tensioned through prestress so as to realize tensioning and fixing of the template. This application need not to support along the bracing steel pipe of the high full length of template, has reduced construction cost, and it is more convenient to be under construction.
The retaining wall single-side formwork erecting structure of the ultra-high steep side slope is further improved in that the retaining wall single-side formwork erecting structure further comprises at least one pair of reinforcing rods and a sleeve, wherein one end of each reinforcing rod is fixedly installed on the anchor cable, and the sleeve is sleeved on the anchor cable;
one end of the sleeve is abutted against and fixed on the side slope surface, and the other end of the sleeve is fixedly arranged on the template in a penetrating way;
the other ends of the reinforcing rods extend out of the sleeve and penetrate and are fixed on the template, and each pair of reinforcing rods are respectively positioned above and below the corresponding anchor cable.
The retaining wall single-side formwork erecting structure of the ultrahigh steep slope is further improved in that the reinforcing rods on each row of anchor cables are distributed in two rows, and the positions of the reinforcing rods on the formwork in each row are distributed at intervals along the length direction of the formwork;
the retaining wall single-face formwork supporting structure further comprises a blocking rod fixedly connected to each row of the reinforcing rods and abutted against the outer side of the formwork, and the setting direction of the blocking rods is consistent with the length direction of the formwork.
The retaining wall single-side formwork erecting structure of the ultra-high steep side slope is further improved in that a through groove penetrating through the sleeve is formed in the sleeve from one end, close to the side slope, of the sleeve to the mounting position of the reinforcing rod on the sleeve, the arrangement direction of the through groove is consistent with the arrangement direction of the corresponding reinforcing rod, and the reinforcing rod is arranged in the through groove in a penetrating mode;
the retaining wall single-side formwork structure further comprises a sealing piece which is fixed on the sleeve and hermetically covers the through groove.
The retaining wall single-side formwork erecting structure of the ultrahigh steep slope is further improved in that the retaining wall single-side formwork erecting structure further comprises a sleeve-joint piece sleeved and fixed on the anchor cable;
one end of the reinforcing rod is fixedly arranged on the sleeve-joint piece.
The retaining wall single-side formwork erecting structure of the ultra-high steep side slope further comprises at least one row of screw rods which are fixedly arranged on the template in a penetrating manner and are positioned between two adjacent rows of anchor cables, steel pipes which are arranged on the upper side and the lower side of each row of screw rods and are positioned on the outer side of the template, and buckling pieces which are sleeved on the screw rods and are positioned on one side, far away from the template, of the steel pipes;
the clamping pieces are clamped on the steel pipes positioned on the upper side and the lower side of the screw rod so that the steel pipes are tightly propped against the template, and the screw rod is clamped and fixed between the corresponding pair of steel pipes;
concrete pouring areas of two adjacent rows of anchor cables are divided into three pouring layers, namely anchor cable layers located in one row below, screw layers located between the two rows of anchor cables and anchor cable layers located in one row above, and the three pouring layers are partially embedded and fixed in solidified concrete through the screws, so that the template is clamped between the solidified concrete and the steel pipe.
The retaining wall single-side formwork erecting structure of the ultrahigh steep slope further comprises a plurality of rows of diagonal bracing members which are obliquely supported and connected between the outer side surface of the formwork and the ground and are positioned at the bottom of the formwork, and each row of diagonal bracing members are distributed at intervals along the length direction of the formwork.
The retaining wall single-side formwork supporting structure of the ultrahigh steep slope is further improved in that the retaining wall single-side formwork supporting structure further comprises a first mounting seat and a second mounting seat, wherein the first mounting seat is fixedly mounted on the outer side surface of the formwork corresponding to the arrangement position of the inclined supporting piece, and the second mounting seat is fixedly mounted on the ground corresponding to the arrangement position of the inclined supporting piece;
the top end of the diagonal bracing piece is hinged to the first mounting seat through a first hinge shaft, and the bottom end of the diagonal bracing piece is hinged to the second hinge seat through a second hinge shaft.
The retaining wall single-side formwork structure of the ultrahigh steep side slope is further improved in that the retaining wall single-side formwork structure further comprises a reinforcing mesh fixedly hung on the side slope surface and a fine stone concrete layer which is formed on the side slope surface in a spraying mode and fixedly embedded in the reinforcing mesh.
The invention also provides a construction method of the retaining wall single-side formwork structure with the ultrahigh steep side slope, which comprises the following steps:
constructing a retaining wall section by section from bottom to top, constructing at least two rows of anchor cables of a first construction section, anchoring one end of the anchor cable of the first construction section in a slope rock, binding retaining wall reinforcing steel bars of the first construction section, erecting a template of the first construction section, penetrating the other end of the anchor cable of the first construction section through the retaining wall reinforcing steel bars of the first construction section, extending out of the template and fixing on the template of the first construction section, enabling each row of anchor cables to be distributed at intervals along the length direction of the template, stretching the anchor cable through prestress, and pouring retaining wall concrete of the first construction section by fixing the template of the first construction section;
and constructing an anchor cable of the next construction section, a retaining wall steel bar of the next construction section, a template of the next construction section and retaining wall concrete of the next construction section, and repeating the steps until the construction of the whole retaining wall is completed.
Drawings
Fig. 1 is a state diagram of the retaining wall single-face formwork structure of the ultra-high steep side slope in the first construction period of construction.
Fig. 2 is a state diagram of the retaining wall single-side formwork structure of the ultra-high steep slope of the invention when an upper row of anchor cables is constructed.
Description of the symbols: the concrete formwork comprises a fine stone concrete layer 10, a formwork 20, an anchor cable 30, a sleeve connector 31, a sleeve 40, a reinforcing rod 50, a blocking rod 60, a screw rod 70, a fastener 71, a steel pipe 80 and a diagonal support member 90.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a retaining wall single-side formwork structure of an ultrahigh steep side slope and a construction method thereof, wherein an anchor cable 30 is used for supporting and fixing an anchor plate, and a layer-by-layer concrete pouring mode is adopted, so that a pre-buried screw rod 70 is firmly buried and fixed in concrete, a steel pipe 80 and a buckle part 71 are arranged on the screw rod 70, the formwork 20 is further reinforced, and when concrete above is poured, the stress performance of the formwork 20 can be effectively enhanced, and the reinforcing pressure of the formwork 20 in an ultrahigh rubble layer area can be relieved.
The retaining wall single-side formwork erecting structure of the ultra-high steep side slope and the construction method thereof are explained in the following by combining the attached drawings.
Referring to fig. 1 and 2, in the present embodiment, a retaining wall single-side formwork structure for an ultra-high steep side slope includes: a template 20 arranged corresponding to the formwork supporting position of the retaining wall; the anchor cable fixing structure comprises a plurality of rows of anchor cables 30 arranged at intervals in the height direction of the formwork 20, wherein each row of anchor cables 30 are distributed at intervals in the length direction of the formwork 20, one end of each anchor cable 30 is anchored in a side slope rock, the other end of each anchor cable 30 extends out of the formwork 20 and is fixed on the formwork 20, and the anchor cables 30 are tensioned through prestress to fix the formwork 20.
In the present embodiment, one end of the anchor cable 30 is anchored in the slope rock, and the other end supports and suspends the formwork 20, and the anchor cable 30 is tensioned through prestress to enhance the stress performance of the anchor cable 30. The anchor cable 30 is constructed in a manner of reducing construction cost, and construction is more convenient.
Referring to fig. 1 and 2, in an embodiment, the retaining wall single-side formwork structure further includes at least one pair of reinforcing rods 50 fixed to the anchor cables 30 at one end, and sleeves 40 sleeved on the anchor cables 30; one end of the sleeve 40 is abutted against and fixed on the slope surface, and the other end of the sleeve is fixedly penetrated on the template 20; the other end of each reinforcing rod 50 extends out of the sleeve 40 and is fixed on the formwork 20 in a penetrating manner, and each pair of reinforcing rods 50 is respectively located above and below the corresponding anchor cable 30.
The reinforcing rods 50 are fixed at one end to the anchor lines 30 and at the other end to the formwork 20, thereby further supporting the reinforced formwork 20 by means of reinforcing members.
By arranging the sleeve 40 to wrap the anchor cable 30, the anchor cable 30 is prevented from being completely embedded and fixed in concrete when concrete is poured, and the stress performance of the anchor cable 30 is prevented from being influenced.
Referring to fig. 1 and 2, further, the reinforcing rods 50 on each row of anchor cables 30 are distributed in two rows, and the positions of the reinforcing rods 50 on the formwork 20 in each row are spaced along the length direction of the formwork 20; the retaining wall single-side formwork erecting structure further comprises a stop rod 60 fixedly connected to each row of the reinforcing rods 50 and abutted against the outer side of the formwork 20, and the setting direction of the stop rod 60 is consistent with the length direction of the formwork 20.
Referring to fig. 1 and fig. 2, further, a through groove penetrating through the sleeve 40 is formed in the sleeve 40 from one end of the sleeve 40 close to the slope to a mounting position of the reinforcing rod 50 on the sleeve 40, a setting direction of the through groove is consistent with a setting direction corresponding to the reinforcing rod 50, and the reinforcing rod 50 is inserted in the through groove; the retaining wall single-side formwork supporting structure further comprises a sealing piece which is fixed on the sleeve 40 and covers the through groove in a sealing mode.
Since the reinforcing rod 50 needs to be installed on the anchor cable 30 first, the casing 40 is provided with the through groove, when the casing 40 is sleeved on the anchor cable 30, the reinforcing rod 50 can be smoothly inserted into the corresponding through groove, so that the casing 40 is conveniently installed, and after the casing 40 is installed, the through groove is sealed by using a sealing member, so that the anchor cable 30 is prevented from being influenced by the concrete permeating into the casing 40.
Preferably, the seal is a sealing tape by which the tape is wound around the sleeve 40 to sealingly cover the through-going slot.
Referring to fig. 1 and 2, in a specific embodiment, the cable bolt further includes a socket 31 fixed to the cable bolt 30; one end of the reinforcing rod 50 is fixedly installed on the socket 31.
Further, the sleeve 31 is a U-shaped chuck.
Referring to fig. 1 and 2, in a specific embodiment, the retaining wall single-side formwork structure further includes at least one row of screws 70 passing through and fixed on the formwork 20 and located between two adjacent rows of the anchor cables 30, steel pipes 80 installed on the upper side and the lower side of each row of the screws 70 and located outside the formwork 20, and fasteners 71 sleeved on the screws 70 and located on one side of the steel pipes 80 away from the formwork 20; the fastener 71 is clamped on the steel pipes 80 positioned on the upper side and the lower side of the screw 70, so that the steel pipes 80 are tightly abutted against the template 20, and the screw 70 is clamped and fixed between a pair of corresponding steel pipes 80; the concrete pouring area of two adjacent rows of the anchor cables 30 is divided into three pouring layers, i.e., an anchor cable layer located in the lower row, a screw layer located between the two rows of the anchor cables 30, and an anchor cable layer located in the upper row, and the three pouring layers are partially buried in the solidified concrete by the screw 70, so that the formwork 20 is clamped between the solidified concrete and the steel pipe 80. One end of the screw rod 70 is embedded and fixed in concrete, and the other end of the screw rod is fixed through the steel pipe 80 and the buckling piece 71, so that the template 20 is reinforced and supported, and the reinforcing pressure of the template 20 in the ultrahigh rubble layer area is relieved.
Preferably, the locking member 71 is a mountain-shaped locking member.
Referring to fig. 1, in an embodiment, the retaining wall single-side formwork structure further includes a plurality of rows of diagonal braces 90 obliquely supported and connected between the outer side of the formwork 20 and the ground and located at the bottom of the formwork 20, wherein each row of diagonal braces 90 is distributed at intervals along the length direction of the formwork 20.
Preferably, diagonal brace members 90 are used only at a lower elevation from the ground, and the upper region is not provided, reducing construction costs and enhancing reinforcement of the bottom of form 20.
Further, the retaining wall single-side formwork structure further includes a first mounting seat fixed on the outer side surface of the formwork 20 corresponding to the arrangement position of the diagonal support member 90 and a second mounting seat fixed on the ground corresponding to the arrangement position of the diagonal support member 90; the top end of the diagonal support member 90 is hinged to the first mounting seat through a first hinge shaft, and the bottom end of the diagonal support member is hinged to the second hinge seat through a second hinge shaft.
Referring to fig. 1, the retaining wall single-side formwork structure further includes a reinforcing mesh fixed on the side slope surface, and a fine stone concrete layer 10 formed on the side slope surface by spraying and embedded with the reinforcing mesh, and the side slope surface is reinforced by forming the fine stone concrete layer 10.
Preferably, the side slope surface is provided with a plurality of rows of soil nails at intervals along the height direction of the side slope surface, and the reinforcing mesh is fixed on the soil nails.
In one embodiment, the other end of the anchor cable 30 is sleeved with an anchor that abuts against the outer side of the formwork 20.
Preferably, the sleeve 40 is a PVC pipe.
The construction process of the retaining wall single-side formwork erecting structure of the ultra-high steep side slope of the invention is explained below.
The reinforcing mesh is hung on the side slope surface by using soil nails, and fine aggregate concrete is sprayed on the side slope surface to bury the reinforcing mesh so as to reinforce the side slope surface.
In this embodiment, the retaining wall is constructed section by section from bottom to top by section by adopting a sectional formwork supporting mode, concrete is poured layer by layer from bottom to top in each section of construction section by adopting a layered pouring mode, and at least two rows of the anchor cables 30 are fixed on the formwork 20 of each section of construction section.
When two adjacent rows of anchor cables 30 are poured, the anchor cables 30 in the lower row are constructed, concrete on anchor cable layers in the lower row is poured, after the concrete on the anchor cable layers in the lower row reaches preset strength, at least one row of screw rods 70 are fixedly arranged at the positions of the templates 20 above the anchor cable layers in the lower row in a penetrating manner, the concrete on the screw rods is poured and the screw rods 70 are embedded, after the concrete on the screw rods reaches the preset strength, steel pipes 80 are arranged on the upper side and the lower side of each row of screw rods 70 at the outer side of each template 20, fixing fasteners 71 are arranged on the screw rods 70, the fasteners 71 are clamped on the steel pipes 80 on the upper side and the lower side of the screw rods 70, so that the steel pipes 80 are abutted against the templates 20, the anchor cables 30 in the upper row are constructed, and the concrete on the anchor cable layers in the upper row is poured.
The invention also provides a construction method of the retaining wall single-side formwork erecting structure with the ultra-high steep side slope, which comprises the following steps:
constructing a retaining wall section by section from bottom to top, constructing at least two rows of anchor cables 30 of a first construction section, anchoring one end of the anchor cable 30 of the first construction section in a slope rock, binding retaining wall reinforcing steel bars of the first construction section, erecting a template 20 of the first construction section, penetrating the other end of the anchor cable 30 of the first construction section through the retaining wall reinforcing steel bars of the first construction section, extending out of the template 20 and fixing on the template 20 of the first construction section, enabling each row of the anchor cables 30 to be distributed at intervals along the length direction of the template 20, stretching the anchor cable 30 through prestress, fixing the template 20 of the first construction section, and pouring retaining wall concrete of the first construction section;
and (4) constructing the anchor cable 30 of the next construction section, the retaining wall steel bar of the next construction section, the template 20 of the next construction section and the retaining wall concrete of the next construction section, and repeating the steps until the construction of the whole retaining wall is completed.
In one embodiment, when erecting the formwork 20, one end of at least one pair of reinforcing rods 50 is fixed to the anchor cable 30, the sleeve 40 is sleeved on the anchor cable 30, the other end of each reinforcing rod 50 extends out of the sleeve 40 and is fixed to the formwork 20 in a penetrating manner, each pair of reinforcing rods 50 is respectively located above and below the corresponding anchor cable 30, and one end of the sleeve 40 is abutted against and fixed to the slope surface, and the other end of the sleeve 40 is fixed to the formwork 20 in a penetrating manner.
Further, the reinforcing rods 50 on each row of anchor cables 30 are distributed in two rows, and the positions of the reinforcing rods 50 on the template 20 in each row are distributed at intervals along the length direction of the template 20;
after the reinforcing rods 50 are installed, the stop rods 60 are fixedly connected to each row of the reinforcing rods 50 and abut against the outer side of the formwork 20, so that the arrangement direction of the stop rods 60 is consistent with the length direction of the formwork 20.
Furthermore, a through groove penetrating through the sleeve 40 is formed in the sleeve 40 from one end of the sleeve 40 close to the side slope to the installation position of the reinforcing rod 50 on the sleeve 40, and the arrangement direction of the through groove is consistent with the arrangement direction of the corresponding reinforcing rod 50;
when the sleeve 40 is sleeved on the anchor cable 30, the reinforcing rod 50 is inserted into the corresponding through groove, and is fixed on the sleeve 40 by a sealing member and covers the through groove in a sealing manner.
In one embodiment, when the reinforcing rod 50 is installed, the sleeve 31 is fixed to the anchor cable 30, and one end of the reinforcing rod 50 is fixed to the sleeve 31.
In a specific embodiment, the retaining wall is constructed section by section from bottom to top by section by adopting a sectional formwork supporting mode, concrete is poured layer by layer from bottom to top by adopting a layered pouring mode in each construction section, and at least two rows of the anchor cables 30 are fixed on the formwork 20 in each construction section;
when two adjacent rows of anchor cables 30 are poured, the anchor cables 30 located in one row below are constructed, concrete located in one row below is poured, after the concrete located in one row below reaches preset strength, at least one row of screw rods 70 penetrate and are fixed in the position of the template 20 located above the one row below, the concrete on the screw rod layers is poured and is embedded with the screw rods 70, after the concrete on the screw rod layers reaches preset strength, steel pipes 80 are installed on the upper side and the lower side of each row of screw rods 70 on the outer side of the template 20, fixing fasteners 71 are installed on the screw rods 70, the fasteners 71 are fastened on the steel pipes 80 located on the upper side and the lower side of the screw rods 70, so that the steel pipes 80 abut against the template 20, the anchor cables 30 located in one row above are constructed, and the concrete located in one row above is poured.
In one embodiment, when constructing the formwork 20, a plurality of rows of diagonal braces 90 are diagonally supported and connected between the outer side of the formwork 20 and the ground corresponding to the bottom of the formwork 20, such that each row of diagonal braces 90 is spaced along the length of the formwork 20.
Further, the first mounting seat is mounted and fixed on the outer side surface of the formwork 20 corresponding to the mounting position of the diagonal support member 90, and the second mounting seat is mounted and fixed on the ground corresponding to the mounting position of the diagonal support member 90;
the top end of the diagonal support member 90 is hinged to the first mounting seat through a first hinge shaft, and the bottom end of the diagonal support member is hinged to the second hinge seat through a second hinge shaft.
Furthermore, before constructing the anchor cable 30, the steel bar net is hung and fixed on the whole slope surface, and fine stone concrete is sprayed on the slope surface to form a fine stone concrete layer 10 and the steel bar net is embedded and fixed.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms may be changed or adjusted without substantial change in the technical content.
Claims (10)
1. The utility model provides a retaining wall single face formwork structure of steep side slope of superelevation which characterized in that includes:
the template is arranged corresponding to the formwork supporting position of the retaining wall;
the anchor cable fixing device comprises a plurality of rows of anchor cables arranged at intervals in the height direction of a template, wherein each row of anchor cables are distributed at intervals in the length direction of the template, one ends of the anchor cables are anchored in side slope rocks, the other ends of the anchor cables extend out of the template and are fixed on the template, and the anchor cables are tensioned through prestress so as to fix the template.
2. The retaining wall single-sided formwork structure of ultra-high steep side slope according to claim 1, further comprising at least one pair of reinforcing rods with one ends fixed on the anchor cables and sleeves sleeved on the anchor cables;
one end of the sleeve is abutted against and fixed on the side slope surface, and the other end of the sleeve is fixedly arranged on the template in a penetrating way;
the other ends of the reinforcing rods extend out of the sleeve and penetrate and are fixed on the template, and each pair of reinforcing rods is located above and below the corresponding anchor cable respectively.
3. The retaining wall single-side formwork structure with the ultra-high steep side slope as claimed in claim 2, wherein the reinforcing rods on each row of the anchor cables are distributed in two rows, and the positions of the reinforcing rods on the formwork in each row are distributed at intervals along the length direction of the formwork;
the retaining wall single-face formwork structure further comprises a blocking rod fixedly connected to each row of the reinforcing rods and abutted against the outer side of the formwork, and the setting direction of the blocking rods is consistent with the length direction of the formwork.
4. The retaining wall single-side formwork structure with the ultra-high steep side slope as claimed in claim 2, wherein a through groove penetrating through the sleeve is formed in the sleeve from one end of the sleeve close to the side slope to the installation position of the reinforcing rod on the sleeve, the arrangement direction of the through groove is consistent with the arrangement direction corresponding to the reinforcing rod, and the reinforcing rod is arranged in the through groove in a penetrating manner;
the retaining wall single-face formwork structure further comprises a sealing element which is fixed on the sleeve and hermetically covers the through groove.
5. The retaining wall single-face formwork structure of the ultra-high steep side slope as claimed in claim 2, further comprising a sleeve member sleeved and fixed on the anchor cable;
one end of the reinforcing rod is fixedly arranged on the sleeve-joint piece.
6. The retaining wall single-side formwork structure with the ultra-high steep side slope as claimed in claim 1, further comprising at least one row of screw rods which are fixedly arranged on the formwork in a penetrating manner and are located between two adjacent rows of the anchor cables, steel pipes which are arranged on the upper side and the lower side of each row of the screw rods and are located on the outer side of the formwork, and a buckling piece which is sleeved on the screw rods and is located on one side, far away from the formwork, of the steel pipe;
the clamping pieces are clamped on the steel pipes positioned on the upper side and the lower side of the screw rod so that the steel pipes are tightly propped against the template, and the screw rod is clamped and fixed between the corresponding pair of steel pipes;
concrete pouring areas of two adjacent rows of anchor cables are divided into three pouring layers, namely an anchor cable layer positioned in one row below, a screw rod layer positioned between the two rows of anchor cables and an anchor cable layer positioned in one row above, and the three pouring layers are partially embedded and fixed in solidified concrete through the screw rods, so that the template is clamped between the solidified concrete and the steel pipe.
7. The retaining wall single-side formwork structure with the ultra-high steep side slope as claimed in claim 1, further comprising a plurality of rows of diagonal braces obliquely supported and connected between the outer side surface of the formwork and the ground and positioned at the bottom of the formwork, wherein each row of diagonal braces are distributed at intervals along the length direction of the formwork.
8. The retaining wall single-face formwork structure of the ultra-high steep slope as claimed in claim 7, further comprising a first mounting seat fixed on the outer side face of the formwork corresponding to the arrangement position of the diagonal support member and a second mounting seat fixed on the ground corresponding to the arrangement position of the diagonal support member;
the top end of the diagonal bracing piece is hinged to the first mounting seat through a first hinge shaft, and the bottom end of the diagonal bracing piece is hinged to the second hinge seat through a second hinge shaft.
9. The retaining wall single-face formwork structure of the ultra-high steep side slope as claimed in claim 1, further comprising a reinforcing mesh fixedly hung on the side slope surface and a fine stone concrete layer formed on the side slope surface by spraying and fixedly buried in the reinforcing mesh.
10. A construction method of the retaining wall single-face formwork structure with the ultra-high steep side slope as claimed in claim 1, characterized in that the construction method comprises the following steps:
constructing a retaining wall section by section from bottom to top, constructing at least two rows of anchor cables of a first construction section, anchoring one end of the anchor cable of the first construction section in a slope rock, binding retaining wall reinforcing steel bars of the first construction section, erecting a template of the first construction section, penetrating the other end of the anchor cable of the first construction section through the retaining wall reinforcing steel bars of the first construction section, extending out of the template and fixing on the template of the first construction section, enabling each row of anchor cables to be distributed at intervals along the length direction of the template, stretching the anchor cable through prestress, and pouring retaining wall concrete of the first construction section by fixing the template of the first construction section;
and constructing an anchor cable of the next construction section, a retaining wall steel bar of the next construction section, a template of the next construction section and retaining wall concrete of the next construction section, and repeating the steps until the construction of the whole retaining wall is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211501354.5A CN115717407A (en) | 2022-11-28 | 2022-11-28 | Retaining wall single-face formwork structure of ultra-high steep slope and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211501354.5A CN115717407A (en) | 2022-11-28 | 2022-11-28 | Retaining wall single-face formwork structure of ultra-high steep slope and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115717407A true CN115717407A (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211501354.5A Pending CN115717407A (en) | 2022-11-28 | 2022-11-28 | Retaining wall single-face formwork structure of ultra-high steep slope and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115717407A (en) |
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2022
- 2022-11-28 CN CN202211501354.5A patent/CN115717407A/en active Pending
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