CN113756516A - Steel reinforcement cage and hoisting construction method thereof - Google Patents
Steel reinforcement cage and hoisting construction method thereof Download PDFInfo
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- CN113756516A CN113756516A CN202111082974.5A CN202111082974A CN113756516A CN 113756516 A CN113756516 A CN 113756516A CN 202111082974 A CN202111082974 A CN 202111082974A CN 113756516 A CN113756516 A CN 113756516A
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 199
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 132
- 239000010959 steel Substances 0.000 title claims abstract description 132
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 210000002435 tendon Anatomy 0.000 claims 2
- 238000012545 processing Methods 0.000 abstract description 4
- 210000003205 muscle Anatomy 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003433 contraceptive agent Substances 0.000 description 4
- 230000002254 contraceptive effect Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
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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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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Abstract
The invention discloses a steel reinforcement cage and a hoisting construction method thereof, and relates to the technical field of engineering construction, the steel reinforcement cage comprises a steel reinforcement cage body, wherein a plurality of steel reinforcement trusses are arranged on the steel reinforcement cage body, each steel reinforcement truss comprises a longitudinal truss and a transverse truss, the intersection point position of the longitudinal truss and the transverse truss is a hoisting point, hoisting rings are arranged at the hoisting points, the hoisting rings are multiple, the hoisting rings are distributed transversely and longitudinally along the steel reinforcement cage body, and a plurality of rows of hoisting ring groups are sequentially arranged along the length direction of the steel reinforcement cage body; a plurality of shelving rings are arranged between every two adjacent rows of lifting ring groups, and the lifting rings and the shelving rings are in inverted U shapes. This scheme of adoption can ensure that the steel reinforcement cage is at the hoist and mount in-process, from the processing of steel reinforcement cage to hoist and mount whole construction risk in safe controllable within range, has improved the security to the emergence of hoist and mount accident has significantly reduced.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a reinforcement cage and a hoisting construction method thereof.
Background
According to the related regulations of the notice of the project safety management approach with the partial items with high risk: the longest length of the single-section underground continuous wall reinforcement cage hoisting is 41m, the maximum weight of the single-section reinforcement cage is 52.1t, and the maximum total weight of the reinforcement cage after butt joint is completed is 61.8 tons.
Disclosure of Invention
The technical problem to be solved by the invention is that safety accidents are easily caused due to the fact that the steel reinforcement cage is too heavy, if a corresponding hoisting method is not available, and the invention aims to provide the steel reinforcement cage and the hoisting construction method thereof.
The invention is realized by the following technical scheme:
a steel reinforcement cage comprises a steel reinforcement cage body, wherein a plurality of steel reinforcement trusses are arranged on the steel reinforcement cage body, each steel reinforcement truss comprises a longitudinal truss and a transverse truss, the intersection point of the longitudinal truss and the transverse truss is a hanging point, a plurality of hanging rings are arranged at the hanging point, the plurality of hanging rings are distributed along the transverse direction and the longitudinal direction of the steel reinforcement cage body, and a plurality of rows of hanging ring groups are sequentially arranged along the length direction of the steel reinforcement cage body;
a plurality of shelving rings are arranged between every two adjacent rows of lifting ring groups, and the lifting rings and the shelving rings are in inverted U shapes.
Compared with the prior art, the problem that safety accidents are easily caused due to the fact that the steel reinforcement cage body is too heavy, if a corresponding hoisting method is not available, the steel reinforcement cage is provided with the plurality of hoisting rings and the plurality of shelving rings, the steel reinforcement cage can be fixed through the shelving rings in sequence in the process below the steel reinforcement cage, and hoisting points are removed in sequence, so that the construction risk from the whole process of machining to hoisting of the steel reinforcement cage is within a safe and controllable range, the safety is improved, and the hoisting accidents are greatly reduced; specifically, the continuous wall reinforcement cage is processed and manufactured according to design requirements, and a reinforcement cage processing platform formed by assembling channel steel is arranged in a field. In order to ensure that the reinforcement cage has enough rigidity in the hoisting process, the reinforcement cage is additionally provided with a reinforcement truss, three X-shaped shear tie bars are respectively arranged on the inner side and the outer side of the reinforcement cage of the continuous wall, and truss rib inclined rods are welded on the reinforcement cage. All the joints of the steel bars are welded, and finally the steel plate positioning cushion blocks are welded. Wherein, each continuous wall sets up three trusses at least, and the steel reinforcement cage width is greater than 5 meters and need set up four trusses: the longitudinal truss and the transverse truss of the steel reinforcement cage are used as hoisting trusses, and hoisting points are arranged at the intersection points of the longitudinal truss and the transverse truss, so that the steel reinforcement cage is hoisted with enough rigidity to prevent the steel reinforcement cage from generating irreversible deformation. The steel reinforcement cage comprises a steel reinforcement cage body, wherein a plurality of lifting points are uniformly distributed along the transverse direction and the longitudinal direction of the steel reinforcement cage body, each lifting point is provided with a lifting ring, and a plurality of rows of lifting ring groups are sequentially distributed in the length direction of the steel reinforcement cage body; a plurality of laying rings are arranged between two adjacent rows of lifting ring groups, and the laying rings are preferably parallel to each other; the hoisting ring and the shelving ring are in inverted U shapes, the hoisting ring is used for being connected with a steel wire rope of a crane, the crane lifts the steel reinforcement cage body, and the carrying pole is used for penetrating the shelving ring, so that the steel reinforcement cage body can be fixed on the guide wall, and the lifting point can be conveniently detached.
Further optimizing, the open end of the hanging ring is welded with reinforcing ribs towards the outer parts of the two sides; for reinforcing the suspension ring.
Further optimizing, a plurality of transverse truss ribs and longitudinal truss ribs are welded at each hanging point; according to construction experience of our part, the reinforcement cage needs to be reinforced longitudinally and transversely, a plurality of transverse truss ribs and longitudinal truss ribs need to be welded at a lifting point, the lifting point is reinforced by preferably adopting HRB400-32/28 steel bars, wherein in order to ensure the lifting rigidity and the lifting safety of the reinforcement cage, the vertical truss ribs at the lifting point are spliced;
further optimizing, the corners of the steel reinforcement cage body are provided with herringbone trusses and diagonal ribs; for the special-shaped steel reinforcement cage, the steel reinforcement cage body is provided with corners, and the corner amplitude and the special amplitude steel reinforcement cage are additionally provided with herringbone trusses and diagonal steel bars for reinforcement besides longitudinal and transverse hoisting trusses and hoisting points, so that the steel reinforcement cage is prevented from deforming when the steel reinforcement cage is turned over at an angle in the air.
Further optimize, the halter of steel reinforcement cage body is equipped with hangs the muscle, hang the muscle including fitting with a contraceptive ring and lower ring, fit with a contraceptive ring and all be the type of falling U with the lower ring to end welding forms. The hanging ribs are made of round steel, and double-sided welding is adopted for welding. The lifting bar top is arranged in a double-ring mode, the upper ring is provided with a lifting shackle, the lower ring is a placing ring, the length of the lifting bar is comprehensively considered and arranged according to the top elevation of the reinforcement cage, the top elevation of the guide wall and the deformation of the lifting ring after lifting, but the lifting bar is not suitable to be arranged too short; wherein the lifting rib is used for enabling the steel reinforcement cage body to be completely lowered into the groove.
Further optimization, the construction method for hoisting the reinforcement cage comprises the following steps:
the first step is as follows: the upper part of the reinforcement cage body is set as a main hoisting section, the lower part of the reinforcement cage body is set as an auxiliary hoisting section, a main crane is used for connecting a plurality of rows of hoisting ring groups in the main hoisting section, and an auxiliary crane is used for connecting a plurality of rows of hoisting ring groups in the auxiliary hoisting section;
the second step is that: lifting the main crane and the auxiliary crane to change the reinforcement cage body from a horizontal state to a vertical state;
the third step: the main crane drives the reinforcement cage body to be lowered into the groove, and the hoisting points of the auxiliary hoisting section are all dismantled;
the fourth step: in the process of being arranged below the steel reinforcement cage body, when each row of lifting ring groups in the main lifting section are close to the notch, the carrying pole penetrates through the shelving ring below the lifting ring groups, the steel reinforcement cage body is fixed on the guide wall, and at the moment, the lifting points of the lifting ring groups close to the notch are removed;
the fifth step: and after the hoisting points on the main hoisting section are sequentially removed, the lower part of the reinforcement cage body is placed in the groove.
Further, the step of the second step further comprises: when the main crane and the auxiliary crane are lifted, the main crane is lifted firstly, then the auxiliary crane is lifted, and the auxiliary crane moves towards the main crane, so that the reinforcement cage body is changed from a horizontal state to a vertical state.
Further, the third step further includes: when the hoisting points of the auxiliary hoisting sections are dismantled, the hoisting rings of each row above the reinforcement cage body are dismantled in sequence in the process of gradually lowering the reinforcement cage body.
Further preferably, the step of the fifth step further comprises: in the process below the steel reinforcement cage body, when the topmost hoisting point of the main hoisting section is removed, a main crane is required to be connected with an upper ring of the hoisting rib, after the connection is completed, the topmost hoisting point of the main hoisting section is removed, and the steel reinforcement cage body below is continued until the lowering is completed.
Further optimization, 2 transverse truss ribs are required to be additionally arranged at each lifting point, and in the process of removing the lifting points below the reinforcement cage body, 2 transverse truss ribs at the corresponding lifting points are required to be cut; when the steel reinforcement cage is perpendicular, for guaranteeing the stability of hoisting point, add 2 horizontal truss muscle in hoisting point position department, strengthen as the hoisting point, treat that the steel reinforcement cage transfers to cage top 1 meters department when controlling, with the fixed steel reinforcement cage body of load bar, with 2 with the cutting of horizontal truss muscle to guarantee that the pipe is installed smoothly.
Compared with the prior art, the invention has the following advantages and beneficial effects:
this scheme provides a steel reinforcement cage and construction method of hoist and mount thereof, adopts this scheme, can ensure that the steel reinforcement cage is at hoist and mount in-process, from the processing of steel reinforcement cage to hoist whole construction risk at safe controllable within range, has improved the security to the emergence of hoist and mount accident has significantly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
FIG. 1 is a schematic view of a flying ring structure provided by the present invention;
FIG. 2 is a schematic structural view of a welding reinforcing rib of the hoisting ring provided by the invention;
FIG. 3 is a schematic view of a reinforced suspension point structure according to the present invention;
FIG. 4 is a schematic structural view of the I-shaped reinforcement cage according to the present invention during reinforcement;
FIG. 5 is a schematic structural diagram of a reinforcement cage profile provided in the present invention;
FIG. 6 is a schematic elevational view of the present invention providing reinforcement of the suspension point;
FIG. 7 is a plan view of the lifting point of the present invention when the reinforcement cage is vertical;
FIG. 8 is a plan view of the suspension bar provided by the present invention;
FIG. 9 is a plan view of the crane provided by the present invention;
FIG. 10 is a schematic step diagram of a first step of the hoisting construction method provided by the present invention;
FIG. 11 is a schematic step diagram of a second step of the hoisting construction method provided by the present invention;
FIG. 12 is a schematic step diagram of a third step of the hoisting construction method provided by the present invention;
FIG. 13 is a schematic step view of a fourth step of the hoisting construction method provided by the present invention;
FIG. 14 is a schematic step diagram of a fourth step of the hoisting construction method provided by the present invention;
fig. 15 is a step schematic diagram of a fifth step of the hoisting construction method provided by the invention.
Reference numbers and corresponding part names in the drawings:
7-lifting rings, 8-resting rings, 9-longitudinal truss ribs, 10-herringbone trusses, 11-diagonal ribs, 12-positioning cushion blocks, 13-main ribs, 14-transverse truss ribs and 15-carrying poles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1-15, a steel reinforcement cage comprises a steel reinforcement cage body, wherein a plurality of steel reinforcement trusses are arranged on the steel reinforcement cage body, each steel reinforcement truss comprises a longitudinal truss and a transverse truss, the intersection point of the longitudinal truss and the transverse truss is a hanging point, a plurality of hanging rings 7 are arranged at the hanging point, the plurality of hanging rings 7 are distributed along the transverse direction and the longitudinal direction of the steel reinforcement cage body, and a plurality of rows of hanging ring groups are sequentially arranged along the length direction of the steel reinforcement cage body;
a plurality of placing rings 8 are arranged between every two adjacent rows of lifting ring groups, and the lifting rings 7 and the placing rings 8 are in an inverted U shape.
Compared with the prior art, the problem that safety accidents are easily caused due to the fact that the steel reinforcement cage body is too heavy, if a corresponding hoisting method is not available, the steel reinforcement cage is provided with the plurality of hoisting rings 7 and the plurality of shelving rings 8, the steel reinforcement cage can be fixed through the shelving rings 8 in sequence in the process below the steel reinforcement cage, and hoisting points are removed in sequence, so that the construction risk from the whole process of machining to hoisting of the steel reinforcement cage is within a safe and controllable range, the safety is improved, and the hoisting accidents are greatly reduced; specifically, the continuous wall reinforcement cage is processed and manufactured according to design requirements, and a reinforcement cage processing platform formed by assembling channel steel is arranged in a field. In order to ensure that the reinforcement cage has enough rigidity in the hoisting process, the reinforcement cage is additionally provided with a reinforcement truss, three X-shaped shear tie bars are respectively arranged on the inner side and the outer side of the reinforcement cage of the continuous wall, and truss rib inclined rods are welded on the reinforcement cage. All the joints of the steel bars are welded, and finally the steel plate positioning cushion blocks 12 are welded. Wherein, each continuous wall sets up three trusses at least, and the steel reinforcement cage width is greater than 5 meters and need set up four trusses: the longitudinal truss and the transverse truss of the steel reinforcement cage are used as hoisting trusses, and hoisting points are arranged at the intersection points of the longitudinal truss and the transverse truss, so that the steel reinforcement cage is hoisted with enough rigidity to prevent the steel reinforcement cage from generating irreversible deformation. The steel reinforcement cage comprises a steel reinforcement cage body, wherein a plurality of lifting points are uniformly distributed along the transverse direction and the longitudinal direction of the steel reinforcement cage body, each lifting point is provided with a lifting ring 7, and a plurality of rows of lifting ring groups are sequentially distributed in the length direction of the steel reinforcement cage body; a plurality of laying rings 8 are arranged between two adjacent rows of lifting ring groups, and the laying rings 8 are preferably parallel to each other; the hoisting ring 7 and the shelving ring 8 are both in an inverted U shape, the hoisting ring 7 is used for being connected with a steel wire rope of a crane, the crane is used for hoisting the steel reinforcement cage body, and the carrying pole 15 is used for penetrating the shelving ring 8, namely the cross carrying pole 15, so that the steel reinforcement cage body can be fixed on a guide wall, and the lifting point can be conveniently detached.
In the embodiment, reinforcing ribs are welded to the outer parts of the two sides of the opening end of the hanging ring 7; for reinforcing the suspension ring 7.
In this embodiment, a plurality of transverse truss ribs 14 and longitudinal truss ribs 9 are welded at each hanging point; according to the construction experience of the people, the reinforcement cage needs to be reinforced longitudinally and transversely, a plurality of transverse truss ribs 14 and longitudinal truss ribs 9 need to be welded at the lifting point, HRB400-32/28 steel bars are preferably adopted at the lifting point for reinforcement, and in order to ensure the lifting rigidity and the lifting safety of the reinforcement cage, the vertical truss ribs at the lifting point are spliced;
in the embodiment, the corners of the steel reinforcement cage body are provided with the herringbone trusses 10 and the diagonal ribs 11; for the special-shaped steel reinforcement cage, the steel reinforcement cage body is provided with corners, and the corner amplitude and the special amplitude steel reinforcement cage are additionally provided with herringbone trusses and diagonal steel bars for reinforcement besides longitudinal and transverse hoisting trusses and hoisting points, so that the steel reinforcement cage is prevented from deforming when the steel reinforcement cage is turned over at an angle in the air.
In this embodiment, the halter of steel reinforcement cage body is equipped with hangs the muscle, hang the muscle including fitting with a contraceptive ring and lower ring, fit with a contraceptive ring and all be the type of falling U with the lower ring to end welding forms. The hanging ribs are made of round steel, and double-sided welding is adopted for welding. The lifting bar top is arranged in a double-ring mode, the upper ring is provided with a lifting shackle, the lower ring is a placing ring 8, the length of the lifting bar is comprehensively considered and arranged according to the elevation of the top of the reinforcement cage, the elevation of the top surface of the guide wall and the deformation of the lifting ring 7 after lifting, but the lifting bar is not suitable to be arranged too short; wherein the lifting rib is used for enabling the steel reinforcement cage body to be completely lowered into the groove.
In this embodiment, a construction method for hoisting a reinforcement cage includes the following steps:
the first step is as follows: the upper part of the reinforcement cage body is set as a main hoisting section, the lower part of the reinforcement cage body is set as an auxiliary hoisting section, a main crane is used for connecting a plurality of rows of hoisting ring groups in the main hoisting section, and an auxiliary crane is used for connecting a plurality of rows of hoisting ring groups in the auxiliary hoisting section;
the second step is that: lifting the main crane and the auxiliary crane to change the reinforcement cage body from a horizontal state to a vertical state;
the third step: the main crane drives the reinforcement cage body to be lowered into the groove, and the hoisting points of the auxiliary hoisting section are all dismantled;
the fourth step: in the process of being arranged below the reinforcement cage body, when each row of hoisting ring groups in the main hoisting section are close to the notch, the carrying pole 15 is used for penetrating through the placing ring 8 below the hoisting ring groups, the reinforcement cage body is fixed on the guide wall, and at the moment, the hoisting points of the hoisting ring groups close to the notch are removed;
the fifth step: and after the hoisting points on the main hoisting section are sequentially removed, the lower part of the reinforcement cage body is placed in the groove.
In this embodiment, the second step further includes: when the main crane and the auxiliary crane are lifted, the main crane is lifted firstly, then the auxiliary crane is lifted, and the auxiliary crane moves towards the main crane, so that the reinforcement cage body is changed from a horizontal state to a vertical state.
In this embodiment, the third step further includes: when the hoisting points of the auxiliary hoisting sections are dismantled, the hoisting rings of each row above the reinforcement cage body are dismantled in sequence in the process of gradually lowering the reinforcement cage body.
In this embodiment, the fifth step further includes: in the process below the steel reinforcement cage body, when the topmost hoisting point of the main hoisting section is removed, a main crane is required to be connected with an upper ring of the hoisting rib, after the connection is completed, the topmost hoisting point of the main hoisting section is removed, and the steel reinforcement cage body below is continued until the lowering is completed.
In the embodiment, 2 transverse truss ribs 14 need to be additionally arranged at each lifting point, and in the process of removing the lifting points below the reinforcement cage body, 2 transverse truss ribs 14 at the corresponding lifting points need to be cut; when the steel reinforcement cage is perpendicular, for guaranteeing the stability of hoisting point, add 2 horizontal truss muscle 14 in hoisting point position department, strengthen as the hoisting point, treat that the steel reinforcement cage transfers to cage top 1 meters department when controlling, with the fixed steel reinforcement cage body of load bar, with 2 with horizontal truss muscle 14 cutting to guarantee that the pipe is installed smoothly.
Example 2
This example was further optimized based on example 1, as shown and exemplified in fig. 10-15.
A construction method for hoisting a reinforcement cage,
the steel reinforcement cage is hoisted by a 280T crawler crane and a 150T crawler crane through a double-crane hoisting method, and the specific station is shown in fig. 9. And the two cranes for hoisting the reinforcement cage are matched with each other to hoist the reinforcement cage into the groove. Two crawler cranes are used for lifting, the reinforcement cage is horizontally lifted, and then the reinforcement cage is lifted straight in an air manner by the main crane through the coordination of the retraction of the main crane hook and the auxiliary crane hook, the rotation of the crane boom rod, the amplitude variation and the like. When the reinforcement cage is hoisted into the groove, the reinforcement cage must be slowly put down, and quick throwing is forbidden to prevent the deformation of the reinforcement cage or the collapse of the groove section.
Firstly, as shown in fig. 10, the main hoisting points are 1, 2 and 3 (each row has 4 transverse points), and the auxiliary hoisting points 4, 5 and 6 (each row has 2 transverse points) complete hoisting; a first working condition: the main hoisting points are 1, 2 and 3 (each row has 4 transverse points), and the auxiliary hoisting points 4, 5 and 6 (each row has 2 transverse points) finish hoisting;
the second step is that: as shown in fig. 11, the angle of the steel reinforcement cage body is gradually changed, the main crane is lifted, the auxiliary crane is lifted and moves towards the main crane at the same time until the steel reinforcement cage of the main crane is in a vertical state, and the main crane bears the weight of the whole steel reinforcement cage;
the third step: as shown in fig. 12, the auxiliary hoisting points are all removed, after the steel reinforcement cage body is in a vertical state, the main hoisting bears the weight of the whole steel reinforcement cage, the main hoisting points are 1, 2 and 3 (each row has 4 transverse points), and after the steel wire rope of the auxiliary hoisting exits from a stress state, the hoisting points 6, 5 and 4 (each row has 2 transverse points) are gradually unloaded along with the gradual descending of the steel reinforcement cage body into the groove until the steel reinforcement cage body is descended to a position about 1.5m below the hoisting point 3;
the fourth step: as shown in fig. 13, the main hoisting point is switched for the first time, when the steel reinforcement cage body is lowered to a position about 0.5m below the hoisting point 3, the steel reinforcement cage body is fixed on the guide wall by adopting the cross carrying pole 15, and the snap ring on the hoisting point 3 (transverse 4 points) is loosened, so that the main hoisting point 3 (transverse 4 points) is transferred to the hoisting point 2 (transverse 4 points), and therefore, the main hoisting points are 1 (transverse 4 points) and 2 (transverse 4 points);
as shown in fig. 14, the main hoisting point is converted for the second time, when the steel reinforcement cage body is lowered to a position about 0.5m below the hoisting point 2, the steel reinforcement cage body is fixed on the guide wall by adopting the cross carrying pole 15, and the snap ring on the hoisting point 2 (transverse 4 points) is loosened, so that the main hoisting point 2 (transverse 4 points) is transferred to the hoisting point 1 (transverse 4 points), and therefore, the working condition main hoisting point is 1 (transverse 4 points on the inner side and the outer side of the steel reinforcement cage);
as shown in fig. 15, the main hoisting point is converted for the third time, when the steel reinforcement cage body is lowered to a position about 1.5m below the hoisting point 1, the steel reinforcement cage body is fixed on the guide wall by adopting the cross carrying pole 15, all steel wire ropes on the hoisting point 1 (transverse 4 points) are unfastened, the steel wire ropes are fixed on the hoisting rings 7 of the hoisting bars, and then the steel reinforcement cage body is lowered until the lowering of the steel reinforcement cage body is completed.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A steel reinforcement cage comprises a steel reinforcement cage body, wherein a plurality of steel reinforcement trusses are arranged on the steel reinforcement cage body, and each steel reinforcement truss comprises a longitudinal truss and a transverse truss, and is characterized in that the intersection point of the longitudinal truss and the transverse truss is a hanging point, a plurality of hanging rings (7) are arranged at the hanging point, the plurality of hanging rings (7) are distributed along the transverse direction and the longitudinal direction of the steel reinforcement cage body, and a plurality of rows of hanging ring groups are sequentially arranged along the length direction of the steel reinforcement cage body;
a plurality of placing rings (8) are arranged between every two adjacent rows of lifting ring groups, and the lifting rings (7) and the placing rings (8) are in an inverted U shape.
2. A reinforcement cage according to claim 1, wherein the open end of the hoist ring (7) is welded with reinforcing bars towards both sides of the outer portion.
3. A reinforcement cage according to claim 1, wherein a plurality of transverse truss tendons (14) and longitudinal truss tendons (9) are welded to each of the suspension points.
4. A reinforcement cage according to claim 1, wherein a herringbone truss (10) and diagonal braces (11) are provided at each corner of the body of the reinforcement cage.
5. The reinforcement cage of claim 1, wherein the cage head of the reinforcement cage body is provided with a suspension bar, the suspension bar comprises an upper ring and a lower ring, and the upper ring and the lower ring are both in an inverted U shape and are welded end to end.
6. The construction method for hoisting the reinforcement cage according to any one of claims 1 to 5, characterized by comprising the following steps:
the first step is as follows: the upper part of the reinforcement cage body is set as a main hoisting section, the lower part of the reinforcement cage body is set as an auxiliary hoisting section, a main crane is used for connecting a plurality of rows of hoisting ring groups in the main hoisting section, and an auxiliary crane is used for connecting a plurality of rows of hoisting ring groups in the auxiliary hoisting section;
the second step is that: lifting the main crane and the auxiliary crane to change the reinforcement cage body from a horizontal state to a vertical state;
the third step: the main crane drives the reinforcement cage body to be lowered into the groove, and the hoisting points of the auxiliary hoisting section are all dismantled;
the fourth step: in the process of being arranged below the reinforcement cage body, when each row of lifting ring groups in the main lifting section are close to the notches, carrying poles (15) are used for penetrating through the shelving rings (8) below the lifting ring groups, the reinforcement cage body is fixed on the guide wall, and at the moment, lifting points of the lifting ring groups close to the notches are removed;
the fifth step: and after the hoisting points on the main hoisting section are sequentially removed, the lower part of the reinforcement cage body is placed in the groove.
7. The construction method for hoisting the reinforcement cage according to claim 6, wherein the second step further comprises: when the main crane and the auxiliary crane are lifted, the main crane is lifted firstly, then the auxiliary crane is lifted, and the auxiliary crane moves towards the main crane, so that the reinforcement cage body is changed from a horizontal state to a vertical state.
8. The construction method for hoisting the reinforcement cage according to claim 6, wherein the third step further comprises: when the hoisting points of the auxiliary hoisting sections are dismantled, the hoisting rings of each row above the reinforcement cage body are dismantled in sequence in the process of gradually lowering the reinforcement cage body.
9. The construction method for hoisting the reinforcement cage according to claim 6, wherein the step of the fifth step further comprises: in the process below the steel reinforcement cage body, when the topmost hoisting point of the main hoisting section is removed, a main crane is required to be connected with an upper ring of the hoisting rib, after the connection is completed, the topmost hoisting point of the main hoisting section is removed, and the steel reinforcement cage body below is continued until the lowering is completed.
10. The construction method for hoisting the reinforcement cage according to claim 6, wherein 2 transverse truss ribs (14) are additionally arranged at each hoisting point, and in the process of removing the hoisting points below the reinforcement cage body, 2 transverse truss ribs (14) at the corresponding hoisting points are cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111082974.5A CN113756516A (en) | 2021-09-15 | 2021-09-15 | Steel reinforcement cage and hoisting construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111082974.5A CN113756516A (en) | 2021-09-15 | 2021-09-15 | Steel reinforcement cage and hoisting construction method thereof |
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| CN113756516A true CN113756516A (en) | 2021-12-07 |
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| CN202111082974.5A Pending CN113756516A (en) | 2021-09-15 | 2021-09-15 | Steel reinforcement cage and hoisting construction method thereof |
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Citations (5)
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| JPH10216878A (en) * | 1997-01-31 | 1998-08-18 | Taisei Corp | Build up method, build up device and build up jig for reinforcing cage |
| CN106081866A (en) * | 2016-06-26 | 2016-11-09 | 中建三局集团有限公司 | A kind of ultra-deep underground continuous wall reinforcing bar cage hoisting process |
| CN110847156A (en) * | 2019-11-27 | 2020-02-28 | 中铁九局集团第四工程有限公司 | Steel reinforcement cage suitable for underground diaphragm wall of air shaft and use method |
| CN112408197A (en) * | 2020-11-19 | 2021-02-26 | 陈忠 | Hoisting method for reinforcement cage of underground continuous wall |
| CN112854197A (en) * | 2021-01-14 | 2021-05-28 | 北京市政路桥股份有限公司 | Construction method of underground continuous wall |
-
2021
- 2021-09-15 CN CN202111082974.5A patent/CN113756516A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10216878A (en) * | 1997-01-31 | 1998-08-18 | Taisei Corp | Build up method, build up device and build up jig for reinforcing cage |
| CN106081866A (en) * | 2016-06-26 | 2016-11-09 | 中建三局集团有限公司 | A kind of ultra-deep underground continuous wall reinforcing bar cage hoisting process |
| CN110847156A (en) * | 2019-11-27 | 2020-02-28 | 中铁九局集团第四工程有限公司 | Steel reinforcement cage suitable for underground diaphragm wall of air shaft and use method |
| CN112408197A (en) * | 2020-11-19 | 2021-02-26 | 陈忠 | Hoisting method for reinforcement cage of underground continuous wall |
| CN112854197A (en) * | 2021-01-14 | 2021-05-28 | 北京市政路桥股份有限公司 | Construction method of underground continuous wall |
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