CN115306173A - Construction method for reinforcing inner side of silo - Google Patents

Construction method for reinforcing inner side of silo Download PDF

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Publication number
CN115306173A
CN115306173A CN202210841841.XA CN202210841841A CN115306173A CN 115306173 A CN115306173 A CN 115306173A CN 202210841841 A CN202210841841 A CN 202210841841A CN 115306173 A CN115306173 A CN 115306173A
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China
Prior art keywords
silo
template
formwork
assembly
repairing
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Pending
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CN202210841841.XA
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Chinese (zh)
Inventor
李一勇
侯晋芳
杜闯
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CCCC First Harbor Engineering Co Ltd
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CCCC First Harbor Engineering Co Ltd
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Priority to CN202210841841.XA priority Critical patent/CN115306173A/en
Publication of CN115306173A publication Critical patent/CN115306173A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • 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
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The invention relates to the technical field of silo building construction, in particular to a construction method for reinforcing the inner side of a silo, which comprises the following steps: s1, hoisting a repairing template assembly into a silo, and connecting and fixing the repairing template assembly; s2, moving the repairing template assembly to a specified construction height, and constructing a first repairing space; s3, pouring a first reinforcing layer; s4, removing the bottom template; s5, moving the side template; s6, lifting the repair template assembly, and constructing a second repair space; s7, pouring a second reinforcing layer; s8, repeating the steps S4-S7 until the reinforced concrete on the inner wall of the silo is completely constructed, and dismantling the repair template assembly; when the inner side of the silo is reinforced, related equipment in the installed silo does not need to be dismantled, construction operation is simple and convenient, construction materials in an upper construction area can be dragged in the construction process, the influence on lower equipment is small, construction efficiency is improved, and cost is reduced.

Description

Construction method for reinforcing inner side of silo
Technical Field
The invention relates to the technical field of silo building construction, in particular to a construction method for reinforcing the inner side of a silo.
Background
After the construction of the concrete circular silo is completed, relevant equipment is installed inside the silo. When the strength of the silo is found to have defects and needs to be reinforced, due to the fact that the related equipment is difficult to dismantle, construction parts are easy to fall off when the silo is directly constructed on the inner wall of the silo, the equipment is damaged, and maintenance and construction are difficult.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the construction method for reinforcing the inner side of the silo, which is simple and convenient in construction operation and does not need to dismantle the related equipment installed on the inner side of the silo.
The invention provides a construction method for reinforcing the inner side of a silo, which comprises the following steps:
s1, hoisting the repair template assembly into a silo, and connecting and fixing:
hoisting the repairing template assembly, placing the repairing template assembly into a silo from the opening at the top of the silo, and fastening and connecting the repairing template assembly with the silo through a bearing assembly;
s2, moving the repairing template assembly to a specified construction height, and constructing a first repairing space:
the height of the repairing template assembly is adjusted, the repairing template assembly is moved to a designated construction height, then the repairing template assembly is stretched to be in contact with the inner wall of the silo, and a bottom template and a side template of the repairing template assembly and the inner wall of the silo form a first repairing space in the shape of an annular groove with an opened top;
s3, pouring a first reinforcing layer:
building a temporary construction platform on the repair template assembly, performing bar planting construction and steel bar binding in the first repair space, and then pouring concrete to form a first reinforcing layer;
s4, removing the bottom template:
when the concrete of the first reinforcing layer reaches the form removal strength, removing the bottom formwork;
s5, moving the side template:
after the bottom template is disassembled, the side templates are recovered in the direction away from the first reinforcing layer and separated from the first reinforcing layer;
s6, lifting the repairing template assembly, and constructing a second repairing space:
after the side templates are separated from the first reinforcing layer, the repairing template assembly is lifted upwards for a certain distance, the side templates move towards the direction close to the inner wall of the silo until the side templates are in close contact with the upper part of the outer side surface of the first reinforcing layer, and a second repairing space is formed by the side templates, the top surface of the first reinforcing layer and the inner wall of the silo;
s7, pouring a second reinforcing layer:
carrying out bar planting construction and steel bar binding in the second repair space, and then pouring concrete to form a second reinforcing layer;
and S8, repeating the steps S4-S7 until the reinforced concrete on the inner wall of the silo is completely constructed, and dismantling the repair template assembly.
According to the technical scheme, when the inner side of the silo is reinforced, related equipment in the installed silo does not need to be dismantled, construction operation is simple and convenient, construction materials in an upper construction area can be dragged in the construction process, influence on lower equipment is small, construction efficiency is improved, and cost is reduced.
In some embodiments of this application, in step S2, the construction during first restoration space, the restoration template subassembly extends through first flexible hydro-cylinder, first flexible hydro-cylinder level is fixed on the support frame of restoration template subassembly, the piston rod of first flexible hydro-cylinder with the side form is fixed, first flexible hydro-cylinder drives the side form with the die block to silo inner wall direction removes, until the die block with silo inner wall in close contact with, this moment the side form the die block silo inner wall forms first restoration space.
In some embodiments of the application, the repair template assembly comprises at least two sideforms, the base template being the same number as the sideforms,
the side templates are arc-shaped plates concentrically arranged with the silo and are vertically arranged in parallel with the inner wall of the silo;
the bottom template is horizontally fixed at the bottom of the side template and is vertical to the side template, and the bottom template is an arc-shaped plate concentrically arranged with the bottom surface of the silo;
the bottom template and the side templates are detachably connected.
In some embodiments of the present application, in steps S2 and S6, the repair formwork assembly is adjusted in height by the load bearing assembly, the load bearing assembly including:
at least two bearing cross beams which are fixed on the top opening of the silo in parallel;
the at least two second telescopic oil cylinders are vertically fixed on the bearing cross beam;
the upper end of the lifting pipe is connected with the second telescopic oil cylinder, and the lower end of the lifting pipe is fixedly connected with the support frame of the repair template assembly;
the lifting pipe is driven to lift through the extension and retraction of the second telescopic oil cylinder, so that the repairing template assembly is driven to lift.
In some embodiments of the present application, the support frame of the repair formwork assembly includes a lateral support tube, a vertical support tube, and an inclined tube for increasing strength;
the transverse supporting tube comprises an outer tube and an inner tube, the inner tube is sleeved inside the outer tube, a slide way is arranged on the inner wall of the outer tube, and a sliding block is correspondingly arranged on the outer wall of the inner tube, so that the inner tube can slide along the length direction of the outer tube.
In some embodiments of the present application, a cylinder barrel of the first telescopic cylinder is fixed on the outer tube, and a piston rod of the first telescopic cylinder is fixedly connected with the side form; the outer end of the inner pipe is fixed with the side formwork, so that the stability of the side formwork during moving is improved.
In the steps S2, S5 and S6, the first telescopic oil cylinder drives the side die plates to extend or retract, and the inner pipe slides along the outer pipe to limit the moving track of the side die plates.
In some embodiments of the application, in step S2 and step S6, after the side formworks are extended in place, in order to form a complete closed-loop structure in the first repair space or the second repair space, a second side formwork is arranged between two adjacent side formworks, and a second bottom formwork is arranged between two adjacent bottom formworks;
the second side template is an arc-shaped plate which is vertically arranged; the second bottom template is an arc-shaped plate horizontally arranged.
In some embodiments of the present application, in step S4, after removing the bottom mold plate, the second bottom mold plate is removed, then the second side mold plate is removed, and then step S5 is performed to move the side mold plates.
In some embodiments of the present application, protruding sliding blocks with trapezoidal orthographic projection shapes are disposed on two side end faces of the side mold plate, sliding rails are disposed on two side end faces of the second side mold plate, which are in butt joint with the side mold plate, the sliding rails are of a groove structure with trapezoidal orthographic projection shapes, and the sliding rails are adapted to the shape of the protruding sliding rails;
in the step S2 and the step S6, when the second side template is installed, the trapezoidal groove slides downwards along the trapezoidal protruding part;
in step S4, when the second side mold plate is removed, the trapezoidal groove slides upward along the trapezoidal protruding portion.
In some embodiments of the application, the end faces of the bottom formwork and the second bottom formwork, which are close to the inner wall of the silo, are provided with the sealing strips, so that when the first repair space is constructed, the bottom formwork and the second bottom formwork are tightly contacted with the inner wall of the silo, and the leakage and the influence on the reinforcement effect during concrete pouring are prevented.
Based on the technical scheme, when the method provided by the invention is used for reinforcing the inner side of the silo, related equipment in the installed silo does not need to be dismantled, the construction operation is simple and convenient, the construction material in the upper construction area can be dragged in the construction process, the influence on lower equipment is small, the construction efficiency is improved, and the cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
FIG. 1 is a top view of a repair formwork assembly in an embodiment of the present invention placed in a silo;
FIG. 2 is a top view of a load bearing assembly of an embodiment of the present invention positioned at the top opening of a silo;
FIG. 3 is a schematic structural diagram illustrating the construction of a first repair space according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a structure of a first reinforcing layer in an embodiment of the present invention;
FIG. 5 is a schematic top view of an embodiment of the present invention showing the bottom form contacting the inner wall;
FIG. 6 is a schematic structural diagram illustrating the construction of a second repair space according to an embodiment of the present invention;
FIG. 7 is a schematic structural view illustrating the placement of a second reinforcing layer according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a second side form plate between the side form plates and a second bottom form plate between the bottom form plates according to an embodiment of the present invention;
FIG. 9 is an enlarged view of portion A of FIG. 8;
in the figure, the position of the first and second end faces,
10. a silo; 11. the top is open; 12. an inner wall; 20. repairing the template assembly; 21. a bottom template; 211. a projection; 22. a sideform; 221. a projecting slider; 23. a first telescopic cylinder; 24. a support frame; 241. transversely supporting a tube; 2411. an outer tube; 2412. an inner tube; 242. a vertical supporting tube; 243. an inclined tube; 25. a second side form; 251. a slide rail; 26. a second bottom form; 261. a groove; 30. a load bearing assembly; 31. a load-bearing beam; 32. a second telescopic cylinder; 33. lifting the pipe; 40. a first repair space; 41. a first reinforcing layer; 50. a second repair space; 51. a second reinforcing layer.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in fig. 1 to 6, in the construction method for reinforcing the inner side of a silo according to the embodiment of the present invention, the top of the silo 10 is opened, and a repair space is constructed on the inner side of the silo 10 by installing and moving the repair formwork assembly 20, so as to reinforce the inner side of the silo 10.
As shown in fig. 1 to 3, in this embodiment, the construction method for reinforcing the inner side of the silo includes the following steps:
s1, hoisting the repaired template assembly into a silo, and connecting and fixing:
hoisting the repair formwork assembly 20 by using a crane, and placing the repair formwork assembly into the silo 10 from the top opening of the silo 10, as shown in fig. 1; placing the load bearing assembly at the top opening 11 of the silo 10, as shown in fig. 2, and fastening the repair formwork assembly 20 with the silo 10 through the load bearing assembly 40;
s2, moving the repairing template assembly to a specified construction height, and constructing a first repairing space:
the repair formwork assembly 20 is adjusted in height and moved to a designated construction height, as shown in fig. 3, and then the repair formwork assembly is extended 20 to be in contact with the inner wall 12 of the silo 10, and the bottom formwork 21 and the side formworks 22 of the repair formwork assembly 20 and the inner wall 12 of the silo 10 form a first repair space 40 of an annular groove shape with an open top;
s3, pouring a first reinforcing layer:
building a temporary construction platform on the repair formwork assembly 20, performing bar planting construction and steel bar binding in the first repair space 40, and then pouring concrete to form a first reinforcing layer 41, as shown in fig. 4;
s4, removing the bottom template:
when the concrete of the first reinforcing layer 41 reaches the form removal strength, the bottom form 21 is removed;
s5, moving the side template:
after the bottom template 21 is removed, the side templates 22 are recovered in the direction away from the first reinforcing layer 41 and separated from the first reinforcing layer 41;
s6, lifting the repair template assembly, and constructing a second repair space:
after the side formworks 22 are separated from the first reinforcing layer 41, the repairing formwork assembly 20 is lifted upwards for a certain distance, the side formworks 22 move towards the direction close to the inner wall 12 of the silo 10 again until the side formworks 22 are in close contact with the upper part of the outer side surface of the first reinforcing layer 31, and a second repairing space 50 is formed by the side formworks 22, the top surface of the first reinforcing layer 31 and the inner wall 12 of the silo, as shown in fig. 6;
s7, pouring a second reinforcing layer:
performing bar planting construction and bar binding in the second repair space 50, and then pouring concrete to form a second reinforcing layer 51, as shown in fig. 7;
and S8, repeating the steps S4 to S7 until the reinforced concrete layer on the inner wall 12 of the silo 10 is completely constructed, and removing the repair template assembly 20.
When the inner side of the silo 10 is reinforced, related equipment installed in the silo does not need to be dismantled, construction operation is simple and convenient, construction materials in an upper construction area can be dragged in the construction process, the influence on lower equipment is small, construction efficiency is improved, and cost is reduced.
In step S2, when the first repair space 30 is constructed, the repair formwork assembly 20 is extended by the first telescopic oil cylinder 23, the first telescopic oil cylinder 23 is horizontally fixed on the support frame 24 of the repair formwork assembly 20, the piston rod of the first telescopic oil cylinder 23 is fixed with the side formwork 22, the first telescopic oil cylinder 23 drives the side formwork 22 and the bottom formwork 21 to move towards the inner wall 12 of the silo until the bottom formwork 21 is in close contact with the inner wall 12 of the silo, and at this time, the side formwork 22, the bottom formwork 21 and the inner wall 12 of the silo form the annular first repair space 40 with an open top.
As shown in fig. 1, in the present embodiment, the repairing formwork assembly 20 includes four side formworks 22 and four bottom formworks 21, the side formworks 22 are quarter-circle arc-shaped plates concentrically arranged with the silo 10 and vertically arranged parallel to the silo inner wall 12; the bottom template 21 is horizontally fixed at the bottom of the side template 22 and is vertical to the side template 22, and the bottom template 21 is a quarter-circle horizontal arc-shaped plate concentrically arranged with the bottom surface of the silo;
in order to facilitate subsequent construction, the bottom formwork 21 and the side formworks 22 are detachably connected, and when the first reinforcing layer 41 reaches the formwork removal strength, the bottom formwork 21 is removed and the second repair space 50 is constructed, the upper top surface of the first reinforcing layer 31 is used as the bottom formwork.
In steps S2 and S6, the height of the repair formwork assembly 20 is adjusted by the load bearing assembly 30, as shown in fig. 2 to 3, the load bearing assembly 30 includes:
four bearing cross beams 31 are divided into two groups, and two bearing cross beams 31 are one group and are fixed on the top opening 11 of the silo 10 in parallel;
four second telescopic oil cylinders 32 are vertically fixed on the bearing beams, two second telescopic oil cylinders are arranged on each group of bearing beams 31, and the extension direction of each second telescopic oil cylinder is vertical downwards;
each second telescopic oil cylinder 32 is connected with one lifting pipe 33, the upper end of each lifting pipe 33 is connected with the second telescopic oil cylinder 32, and the lower end of each lifting pipe 33 is fixedly connected with the support frame 24 of the repair template assembly 20;
the lifting pipe 33 is driven to lift by the extension of the second telescopic oil cylinder 32, and the lifting pipe 33 drives the repair formwork assembly 20 to lift to reach the construction height.
As shown in fig. 3, the support frame 24 of the repair template assembly 20 of the present application includes lateral support tubes 241, vertical support tubes 242, and inclined tubes 243 for increasing the strength of the repair template assembly;
the transverse support tube 241 includes an outer tube 2411 and an inner tube 2412, the inner tube 2412 is sleeved inside the outer tube 2411, a slide is disposed on the inner wall of the outer tube 2411, a slide block is correspondingly disposed on the outer wall of the corresponding inner tube 2412, and the inner tube 2412 can slide along the length direction of the outer tube 2411.
As shown in fig. 4, a cylinder barrel of the first telescopic cylinder 23 is fixed on the outer tube 2411, and a piston rod of the first telescopic cylinder 23 is fixedly connected with the back of the side template 22; the outer end of the inner tube 2412 is also fixed to the back of the sideform 22, which improves the stability of the sideform 22 during movement. In steps S2, S5, and S6, the first telescopic cylinder 23 drives the sideform 22 to extend or retract, and the inner tube 2412 slides along the outer tube 2411 to limit the movement track of the sideform 22, thereby improving the movement stability of the sideform 22.
As shown in fig. 8, in step S2 and step S6, after the sideforms 22 are extended in place, a gap exists between two adjacent sideforms 22, in order to make the first repair space 40 and the second repair space 50 be a complete closed loop structure and prevent leakage in the process of pouring concrete, a second sideform 25 is arranged between two adjacent sideforms 22, and a second bottom form 26 is arranged between two adjacent bottom forms 21, in this embodiment, four second sideforms 25 and four second bottom forms 26 are arranged;
the second side template 25 is an arc-shaped plate which is vertically arranged; the second bottom form 26 is an arc-shaped plate 26 which is horizontally arranged.
As shown in fig. 8-9, two side end surfaces of the sideform 22 are provided with protruding sliding blocks 221 with an orthographic projection shape being trapezoidal, two side end surfaces of the second sideform 25 in butt joint with the sideform 22 are provided with sliding rails 251, the sliding rails 251 are groove structures with an orthographic projection shape being trapezoidal, the sliding blocks 221 are adapted to the shapes of the sliding rails 251, and the orthographic projection profile area of the sliding rails 251 is slightly larger than the orthographic projection area of the sliding blocks 221, so that the sliding rails 251 can be smoothly in butt joint with the sliding blocks 221, the top ends of the sliding blocks 221 are lower than the sideform 22, and the bottom ends are flush with the bottom edges of the sideform 22. In order to firmly connect the bottom template 21 and the second bottom template 26, two ends of the bottom template 21 are provided with protrusions 211 with trapezoidal orthographic projection shapes, two ends of the second bottom template 26 are provided with grooves 261 with trapezoidal orthographic projection shapes, and the grooves 261 are matched with the protrusions 211 in shape.
In step S2 and step S6, when the second side formwork 25 is installed, the second side formwork 25 moves from top to bottom, the bottom of the second side formwork 25 enters a gap between two adjacent side formworks 22, and continues to move downward until the bottom of the sliding rail 251 is firstly butted with the upper end of the sliding block 221, then the second side formwork 25 continues to move downward, the sliding rail 251 moves downward along the sliding block 221 until the bottom of the second side formwork 25 is flush with the bottom of the side formwork 22, and the second side formwork 25 is installed in place.
In step S4, when the second side formwork 22 is removed, the second side formwork 25 is lifted upwards, the slide rail 251 moves along the slide block 221 until the bottom of the second side formwork 25 is separated from the top end of the side formwork 22, and the second side formwork 22 continues to move upwards to a height that does not affect the construction of the second reinforcement layer.
In step S4, after the bottom mold plate 21 is removed, the second bottom mold plate 26 is removed, then the second side mold plate 25 is removed, and then step S5 is performed to move the side mold plate 22, so as to separate the side mold plate 22 from the first reinforcing layer.
The end faces of the bottom formwork 21 and the second bottom formwork 26 close to the silo inner wall 11 are provided with sealing strips (not shown in the figure), so that when the first repair space 40 is constructed, the bottom formwork 21 and the second bottom formwork 26 are tightly contacted with the silo inner wall 11, and the leakage is prevented from occurring when concrete is poured, and the reinforcing effect is prevented from being influenced.
With continued reference to fig. 5, in step S6, the first telescopic cylinder 23 is retracted to separate the side template 22 from the first reinforcing layer 41, the second telescopic cylinder 32 in the bearing assembly 30 is retracted, the lifting pipe 33 lifts the repairing template assembly 20 upwards, the side template 22 is lifted therewith, when the lower end of the side template 22 is lower than the top end of the first reinforcing layer 41 by about 10cm, the second telescopic cylinder 32 stops retracting, the first telescopic cylinder 23 extends, the side template 22 moves towards the inner wall 12 of the silo 10 again until the side template 22 is in close contact with the upper portion of the outer side surface of the first reinforcing layer 31, and then the second side template 25 is installed, and the side template 22, the top surface of the first reinforcing layer 31 and the inner wall 12 of the silo form a second repairing space 50.
When the method is used for reinforcing the inner side of the silo, the related equipment in the installed silo does not need to be dismantled, the construction operation is simple and convenient, the construction material in the upper construction area can be dragged in the construction process, the influence on the lower equipment is small, the construction efficiency is improved, and the cost is reduced.
Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (10)

1. A construction method for reinforcing the inner side of a silo is characterized in that: the method comprises the following steps:
s1, hoisting the repaired template assembly into a silo, and connecting and fixing:
hoisting the repaired template assembly, placing the repaired template assembly into a silo from the top opening of the silo, and fastening and connecting the repaired template assembly with the silo through a bearing assembly;
s2, moving the repairing template assembly to a specified construction height, and constructing a first repairing space:
the height of the repairing template assembly is adjusted, the repairing template assembly is moved to a designated construction height, then the repairing template assembly is stretched to be in contact with the inner wall of the silo, and a bottom template and a side template of the repairing template assembly and the inner wall of the silo form a first repairing space in the shape of an annular groove with an opened top;
s3, pouring a first reinforcing layer:
carrying out bar planting construction and steel bar binding in the first repair space, and then pouring concrete to form a first reinforcing layer;
s4, removing the bottom template:
when the concrete of the first reinforcing layer reaches the form removal strength, removing the bottom formwork;
s5, moving the side template:
after the bottom template is disassembled, the side templates are recovered in the direction away from the first reinforcing layer and separated from the first reinforcing layer;
s6, lifting the repairing template assembly, and constructing a second repairing space:
after the side templates are separated from the first reinforcing layer, the repairing template assembly is lifted upwards for a certain distance, the side templates move towards the direction close to the inner wall of the silo until the side templates are in close contact with the upper part of the outer side surface of the first reinforcing layer, and a second repairing space is formed by the side templates, the top surface of the first reinforcing layer and the inner wall of the silo;
s7, pouring a second reinforcing layer:
carrying out bar planting construction and steel bar binding in the second repairing space, and then pouring concrete to form a second reinforcing layer;
and S8, repeating the steps S4-S7 until the reinforced concrete on the inner wall of the silo is completely constructed, and dismantling the repaired template assembly.
2. The construction method for reinforcing the inner side of the silo according to claim 1, wherein in the step S2, when the first repair space is constructed, the repair formwork assembly is extended through a first telescopic oil cylinder, the first telescopic oil cylinder is horizontally fixed on a support frame of the repair formwork assembly, a piston rod of the first telescopic oil cylinder is fixed with the side formwork, the first telescopic oil cylinder drives the side formwork and the bottom formwork to move towards the inner wall direction of the silo until the bottom formwork is in close contact with the inner wall of the silo, and at this time, the side formwork, the bottom formwork and the inner wall of the silo form the first repair space.
3. The construction method for silo internal reinforcement according to claim 2, wherein the repair formwork assembly comprises at least two sideforms, the number of the bottom formwork and the sideforms is the same,
the side templates are arc-shaped plates concentrically arranged with the silo and are vertically arranged in parallel with the inner wall of the silo;
the bottom template is horizontally fixed at the bottom of the side template and is vertical to the side template, and the bottom template is an arc-shaped plate concentrically arranged with the bottom surface of the silo;
the bottom template and the side templates are detachably connected.
4. The construction method for inner reinforcement of a silo according to claim 1, wherein in the steps S2 and S6, the repair formwork assembly is adjusted in height by the load bearing assembly, and the load bearing assembly comprises:
at least two bearing cross beams which are fixed on the top opening of the silo in parallel;
at least two second telescopic oil cylinders are vertically fixed on the bearing cross beam;
the upper end of the lifting pipe is connected with the second telescopic oil cylinder, and the lower end of the lifting pipe is fixedly connected with the support frame of the repair template assembly;
the lifting pipe is driven to lift through the extension and retraction of the second telescopic oil cylinder, so that the repairing template assembly is driven to lift.
5. The construction method for inner reinforcement of a silo according to claim 2, wherein the support frame of the repair formwork assembly comprises a transverse support pipe, a vertical support pipe and an inclined pipe for increasing strength;
the transverse supporting tube comprises an outer tube and an inner tube, the inner tube is sleeved inside the outer tube, a slide way is arranged on the inner wall of the outer tube, and a sliding block is correspondingly arranged on the outer wall of the inner tube, so that the inner tube can slide along the length direction of the outer tube.
6. The construction method for reinforcing the inner side of the silo as claimed in claim 5, wherein the cylinder barrel of the first telescopic oil cylinder is fixed on the outer pipe, and the piston rod of the first telescopic oil cylinder is fixedly connected with the side template; the outer end of the inner pipe is fixed with the side template;
in the steps S2, S5 and S6, the first telescopic oil cylinder drives the side die plates to extend or retract, and the inner pipe slides along the outer pipe to limit the moving track of the side die plates.
7. The construction method for reinforcing the inner side of the silo as claimed in claim 6, wherein in the step S2 and the step S6, after the side formworks are extended in place, in order to form a complete closed-loop structure in the first repair space or the second repair space, a second side formwork is arranged between two adjacent side formworks, and a second bottom formwork is arranged between two adjacent bottom formworks;
the second side template is an arc-shaped plate which is vertically arranged; the second bottom template is an arc-shaped plate horizontally arranged.
8. The construction method for reinforcing the inner side of a silo as claimed in claim 7, wherein the second bottom formwork is removed after the bottom formwork is removed in step S4, the second side formwork is removed, and then the step S5 is performed to move the side formworks.
9. The construction method for reinforcing the inner side of the silo according to claim 8, wherein the two side end surfaces of the side formworks are provided with protruding sliding blocks with trapezoidal orthographic projection shapes, the two side end surfaces of the second side formwork, which are butted with the side formworks, are provided with sliding rails, the sliding rails are of groove structures with trapezoidal orthographic projection shapes, and the sliding rails are matched with the protruding sliding ways in shape;
in the step S2 and the step S6, when the second side template is installed, the trapezoidal groove slides downwards along the trapezoidal protruding part;
in step S4, when the second side mold plate is removed, the trapezoidal groove slides upward along the trapezoidal protruding portion.
10. The construction method for reinforcing the inner side of the silo as claimed in claim 8, wherein sealing strips are arranged on the end surfaces of the bottom formwork and the second bottom formwork, which are close to the inner wall of the silo.
CN202210841841.XA 2022-07-18 2022-07-18 Construction method for reinforcing inner side of silo Pending CN115306173A (en)

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Publication number Priority date Publication date Assignee Title
SU1343022A1 (en) * 1986-04-09 1987-10-07 Уральский государственный институт по проектированию предприятий горнорудной промышленности Equipment for lining vertical mine shafts with solid concrete lining
KR101021945B1 (en) * 2010-08-19 2011-03-17 (주)태성산업개발 Steel form for forming lining wall of vertical tunnel
CN110700101A (en) * 2019-10-12 2020-01-17 中建八局第二建设有限公司 Spliced template for pouring pier and construction method thereof
CN111119899A (en) * 2019-12-30 2020-05-08 中铁二局集团有限公司 Shaft lining construction method
CN216788406U (en) * 2021-10-27 2022-06-21 中交一公局集团有限公司 Primary lining air-raid shelter device for vertical shaft

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Publication number Priority date Publication date Assignee Title
SU1343022A1 (en) * 1986-04-09 1987-10-07 Уральский государственный институт по проектированию предприятий горнорудной промышленности Equipment for lining vertical mine shafts with solid concrete lining
KR101021945B1 (en) * 2010-08-19 2011-03-17 (주)태성산업개발 Steel form for forming lining wall of vertical tunnel
CN110700101A (en) * 2019-10-12 2020-01-17 中建八局第二建设有限公司 Spliced template for pouring pier and construction method thereof
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