CN112681610A - Construction method of special-shaped concrete column - Google Patents
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- CN112681610A CN112681610A CN202011543089.8A CN202011543089A CN112681610A CN 112681610 A CN112681610 A CN 112681610A CN 202011543089 A CN202011543089 A CN 202011543089A CN 112681610 A CN112681610 A CN 112681610A
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Abstract
The invention relates to a construction method of a special-shaped concrete column. The construction method comprises the following steps: preparing a first template and a second template, wherein the first template and the second template are axisymmetric; according to a drawing, respectively binding steel bars in the first template and the second template; splicing the first template and the second template, and supporting; pouring bare concrete on the spliced first template and the spliced second template, and vibrating and curing the bare concrete; and removing the first template and the second template. According to the construction method of the special-shaped concrete column, the shaped templates are adopted for splicing construction, the construction efficiency is improved, the spliced first template and the spliced second template are supported, the construction safety is improved, the spliced first template and the spliced second template are subjected to plain concrete pouring, vibrating and curing are carried out, the structural integrity of the special-shaped concrete column is good, and the safety of the whole construction process can be improved.
Description
Technical Field
The invention relates to the technical field of building construction engineering, in particular to a construction method of a special-shaped concrete column.
Background
For the special-shaped concrete column, especially when the V-shaped batter post template is constructed, the problems of narrow site, large template mass, irregular column shape and the like exist. The special-shaped concrete column structure has the characteristics of complex system, large section change, high requirements on decorative surface effect and the like. If the traditional steel pipe is adopted as a supporting and fastening system of the template, on one hand, the construction difficulty is high, and the stability and the appearance quality after forming can not be ensured after the other connection is reinforced, so that the safety quality accident is easily caused in the pouring vibration after the hoisting is finished.
Disclosure of Invention
Accordingly, it is necessary to provide a construction method for a special-shaped concrete column in order to improve the construction efficiency and the construction safety of the special-shaped concrete column.
A construction method of a special-shaped concrete column comprises the following steps:
preparing a first template and a second template, wherein the first template and the second template are axisymmetric;
according to a drawing, respectively binding steel bars in the first template and the second template;
splicing the first template and the second template, and supporting;
pouring fair-faced concrete on the spliced first template and the spliced second template, and vibrating and maintaining the fair-faced concrete;
and removing the first template and the second template.
The construction method of the special-shaped concrete column comprises the steps of preparing a first template and a second template which are axially symmetrical, binding reinforcing steel bars in the first template and the second template respectively according to a drawing, splicing the first template and the second template, supporting, splicing construction by adopting a shaped template, improving the construction efficiency, supporting the spliced first template and the spliced second template, improving the construction safety, pouring clear water concrete on the spliced first template and the spliced second template, vibrating and curing the clear water concrete, finally dismantling the first template and the second template, pouring clear water concrete on the spliced first template and the spliced second template, vibrating and curing, dismantling the first template and the second template to ensure that the structural integrity of the special-shaped concrete column is good, and the safety of the whole construction process can be improved.
In one embodiment, the first formwork and the second formwork each include a frame, a panel and a rib plate, the panel is arranged on the frame, and the rib plate is fixedly connected with one side of the frame far away from the panel.
In one embodiment, the step of performing reinforcement ties within the first form and the second form, respectively, comprises:
connecting a main rib by adopting a straight thread sleeve to form a reinforcement cage, wherein the reinforcement cage is abutted against the inner side of the first template or the second template;
welding a reinforcing steel bar reinforcing hoop;
and binding the reinforcement cage and the reinforcement intersection of the reinforcement hoop by using a binding wire.
In one embodiment, after the step of forming the main bar by connecting the main bar sections by using the straight thread sleeve and before the step of welding the reinforcing bar hoop, the method further comprises the steps of: and hanging the wire by using a wire hammer, so that the center of the reinforcement cage is superposed with the center of the special-shaped concrete column.
In one embodiment, the step of forming the reinforcement cage by connecting the main bars with the straight thread sleeves further includes: and binding cushion blocks on the main ribs, so that the cushion blocks are arranged between the first template and the main ribs and between the second template and the main ribs.
In one embodiment, the step of splicing and supporting the first template and the second template comprises: positioning the seam splicing positions of the first template and the second template by using positioning pins; fixedly connecting the first template and the second template by bolts according to the positions of the positioning pins; and according to the preset position, the channel steel is arranged at the preset position to support the first template and the second template.
In one embodiment, the step of pouring the clear concrete on the spliced first formwork and the spliced second formwork comprises: and (4) performing layered pouring according to the preset thickness, wherein a hose is inserted into each layer of the fair-faced concrete during pouring.
In one embodiment, the step of vibrating the bare concrete comprises: sequentially vibrating by adopting a first vibrating device and a second vibrating device, wherein the diameters of the first vibrating device and the second vibrating device are different; and simultaneously, knocking areas of the first template and the second template corresponding to the poured concrete layer.
In one embodiment, the step of removing the first template and the second template comprises: disassembling the first template and the second template in a top-down mode; dragging the first template and the second template by using a crane; cleaning and refurbishing the first template and the second template.
In one embodiment, after the step of removing the first template and the second template, the method further comprises the steps of: and repairing and maintaining the poured fair-faced concrete.
Drawings
FIG. 1 is a schematic structural view of a shaped concrete column according to an embodiment after forming;
FIG. 2 is a partial schematic view of the profiled concrete column of FIG. 1;
fig. 3 is a schematic structural diagram of supporting the spliced first formwork and the second formwork by using channel steel.
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.
The special-shaped concrete column structure has the characteristics of complex system, large section change, high requirements on the facing effect and the like, and particularly for the V-shaped variable-section fair-faced concrete batter post, in order to ensure the construction efficiency and the construction safety, the construction quality common faults are avoided and the construction quality of the V-shaped variable-section fair-faced concrete batter post is ensured through the processes of steel bar binding, template selection, clear water concrete pouring, maintenance and the like. The concrete description below takes a V-shaped variable cross-section bare concrete batter post as an example of a special-shaped concrete post.
The construction method of the special-shaped concrete column comprises the following steps:
s10: and preparing a first template and a second template, wherein the first template and the second template are axisymmetric.
Specifically, the first template and the second template are semicircular, that is, the first template and the second template are spliced to form the special-shaped concrete column. In this embodiment, the first template and the second template are made of steel, and both the first template and the second template are made of formed steel templates. The first template and the second template are prefabricated in advance. In an embodiment, referring to fig. 1 and fig. 2 in combination, the first form 110 includes a frame 111, a panel 112, and a rib plate 113, where the panel 112 is disposed on the frame 111, and the rib plate 113 is fixedly connected to a side of the frame 111 away from the panel 112, that is, the panel 112 is disposed on an outer side of the frame 111, and the rib plate 113 is disposed on an inner side of the frame 111. The rib 113 improves the overall stability of the first form 110. The panel 112 and the frame 111, and the rib plate 113 and the frame 111 can be connected by welding or the like. The panel 112 ensures a beautiful appearance after the structure is formed. Wherein the thickness of the panel 112 is 6 mm. The dimensions of the panel 112, the frame 111, and the rib 113 are not limited herein, and are determined according to actual construction conditions. In addition, the second template has the same structure as the first template, and is not described in detail herein.
S20: and (4) binding steel bars in the first template and the second template respectively according to a drawing.
Specifically, according to the positions of steel bar binding and the arrangement of steel bars on the drawing, steel bar binding is respectively carried out on the first template and the second template, so that splicing and concrete pouring of the first template and the second template can be conveniently carried out.
In an embodiment, taking the first form as an example for explanation, the step of binding the reinforcing bars in the first form includes: connecting the main reinforcement by adopting a straight thread sleeve to form a reinforcement cage, wherein the reinforcement cage is abutted against the inner side of the first template; welding a reinforcing steel bar reinforcing hoop; binding wires are adopted to bind the reinforcement cage and the reinforcement intersection points of the reinforcement hoops. Specifically, the main muscle adopts the straight thread sleeve of roll extrusion to connect, for example, when using the reinforcing bar that the diameter is 28 millimeters as main muscle, the straight thread sleeve of roll extrusion's length is 65 millimeters, when adopting the straight thread sleeve of roll extrusion to connect main muscle, and every end screw mouth length is 35mm, and every silk interval is 3mm, exposes 1 ~ 2 silk. For the rolling straight thread sleeve, the adopted material is low alloy steel or high-quality carbon structural steel, the standard value of the tensile bearing capacity of the rolling straight thread sleeve is more than or equal to 1.20 times of the standard value of the tensile bearing capacity of the connected steel bar, and the length of the rolling straight thread sleeve is twice of the diameter of the steel bar.
And further, welding a reinforcing steel bar reinforcing hoop, reinforcing the main bar and fixing the position of the main bar. And the main reinforcement and the reinforcing steel bar reinforcing hoop are hooked by the lacing wire. Furthermore, the distribution ribs are arranged to be perpendicular to the main ribs, the borne weight is uniformly transmitted to the main ribs, the positions of the main ribs are fixed, and temperature deformation caused by expansion with heat and contraction with cold is resisted. The reinforcing steel bar is corrected before concrete pouring, the reinforcing steel bar joints are welded or lapped, the reinforcing steel bar joints are staggered, the lacing wires and all rows of distribution ribs are firmly bound without being bound, and the hooks of the reinforcing steel bar binding wires are bent into the concrete when the reinforcing steel bar mesh is bound. When the steel bar collides with the split bolt, the principle that the steel bar avoids the split bolt is followed.
And binding the reinforcement cage and the reinforcement cross points of the reinforcement hoops by using binding wires, namely binding all the reinforcement cross points by using the binding wires. In other embodiments, spot welding may be used to weld the reinforcement cage at the intersection, so that the entire reinforcement cage is stable.
In one embodiment, after the step of forming the main bar by connecting the main bar sections by using the straight thread sleeve and before the step of welding the reinforcing bar hoop, the method further comprises the steps of: and the plumb line is adopted to hang the wire, so that the center of the reinforcement cage is coincided with the center of the special-shaped concrete column. In other words, the binding and installation of the reinforcing steel bars are determined according to the structure of the special-shaped concrete, in the embodiment, the special-shaped concrete column is a V-shaped variable cross-section concrete column, so that before the reinforcing steel bar reinforcing hoop is welded, a line hammer is adopted to drop the line, the center of the reinforcing steel bar cage is coincided with the center of the V-shaped variable cross-section concrete column, and the stability of the whole structure is ensured. In addition, the installation of reinforcing bar props central point and four corners coordinate point according to the V style of calligraphy and is regarded as the benchmark to guarantee the precision of center coincidence of steel reinforcement cage and V style of calligraphy variable cross section coagulation post.
Further, in an embodiment, the main reinforcement is connected by a straight thread sleeve, and the step of forming the reinforcement cage further includes: and binding cushion blocks on the main ribs, so that the cushion blocks are arranged between the first template and the main ribs, and forming a protective layer. That is, a spacer block is arranged between the reinforced concrete and the first template, and the spacer block is fastened with the main reinforcement. The cushion block is a prefabricated high-strength mortar cushion block, and the strength of the cushion block is ensured to be the same as that of the concrete structure. In addition, the installation of cushion should guarantee that the protective layer thickness of reinforcing bar accords with the designing requirement, sets up four cushion in every square meter of first template simultaneously, and four cushion are staggered arrangement from top to bottom. Adopt the cushion, not only can increase frictional force, can also protect first template.
It should be noted that the steel bars of the second formwork are bound with the steel bars of the first formwork, and are not described herein again.
S30: and splicing the first template and the second template, and supporting.
Specifically, the first template and the second template are spliced by the fixing piece to form a peripheral structure of the special-shaped concrete column structure. The first template and the second template can be detachably connected through bolts and the like, so that the first template and the second template can be detached and reused subsequently. In addition, the spliced first formwork and second formwork are supported to prevent displacement and the like of the first formwork and second formwork caused by concrete pouring subsequently.
In one embodiment, the step of splicing and supporting the first template and the second template comprises: positioning the seam splicing positions of the first template and the second template by using positioning pins; fixedly connecting the first template and the second template by bolts according to the positions of the positioning pins; and according to the preset position, the channel steel is arranged at the preset position to support the first template and the second template.
Specifically, referring to fig. 2, the edges of the first template and the second template are aligned to determine the seam, and then the position of the seam between the first template and the second template is located by the locating pin 120, so that the first template and the second template are prevented from shifting during splicing, and the installation accuracy is improved. Then, the first mold plate and the second mold plate are detachably and fixedly connected by using bolts 130 according to the positions of the positioning pins 120. The bolts can be high-strength bolt connection with the diameter of 22mm, the diameter of the positioning pin 120 can be 20 mm, and the template splicing position is controlled through the positioning pin 120, so that the requirements of accurate position and tight splicing of each part during template installation are met.
Further, referring to fig. 3, the channel steel 140 is disposed at a preset position according to the preset position, and the spliced first template and the spliced second template are supported, so that the spliced first template and the spliced second template are reinforced, and the first template and the second template are further prevented from shifting. The preset position is a contact position of the channel steel with the first template and the second template. In this embodiment, special-shaped concrete column is V style of calligraphy variable cross section concrete structure to all be equipped with channel-section steel 140 in the both sides of V style of calligraphy, and be connected with channel-section steel 140 in the intermediate position of V style of calligraphy, thereby guarantee overall structure's stability. The channel 140 may be fixedly connected by welding. Furthermore, the channel 140 may be a 20a # channel, and 2 channels of the 20a # channel are adopted in the middle of the V-shape, and the two ends of the channel are welded and pulled to prevent the first formwork and the second formwork from shifting.
S40: and pouring the fair-faced concrete on the spliced first template and the spliced second template, and vibrating and maintaining the fair-faced concrete.
Specifically, after the first formwork and the second formwork are spliced and supported in step S30, the spliced first formwork and second formwork are poured with fair-faced concrete, wherein the first formwork and the second formwork are higher in height, so that layered pouring is adopted, and after each layer of pouring is performed, vibration is performed, so that the strength of the concrete structure is improved, and the construction quality can be improved.
Further, the preparation method of the fair-faced concrete comprises the following steps: the raw materials selected according to the bare concrete mixing proportion scheme are added into forced stirring equipment, and the stirring time of each time is 20-30s longer than that of common concrete. That is, the raw materials of the fair-faced concrete are sequentially added into forced stirring equipment according to the proportion and stirred. It should be noted that the raw materials and the ratio of the fair-faced concrete are not limited herein, as long as the fair-faced concrete can be prepared. In addition, the concrete transport vehicle must confirm that the tank is clean and has no accumulated water before loading, thereby ensuring the quality of the fair-faced concrete. In order to ensure that the use of the fair-faced concrete is not influenced by the fact that the fair-faced concrete is not solidified, the usage of the fair-faced concrete is not more than 2 hours from the end of stirring to a construction site, and the pouring of the fair-faced concrete can be carried out by adopting an automobile pump.
In one embodiment, step S40 includes: and (4) performing layered pouring according to the preset thickness, wherein a hose is inserted into each layer of the fair-faced concrete during pouring. Specifically, in the present embodiment, the predetermined thickness is 500mm, that is, the casting thickness of each layer is 500 mm. And (3) blanking the bare concrete to the thickness of 500mm, vibrating, and sequentially carrying out pouring and vibrating of the bare concrete of the whole structure. Namely, when pouring the fair-faced concrete, the materials are discharged in layers and vibrated in layers, and the pouring thickness of each layer of the fair-faced concrete is controlled at 500 mm. Wherein, when pouring, the layering thickness can be controlled by adopting a scale rod. In addition, when the fair-faced concrete wall is poured, a hose is connected to the cloth and extends into a formwork formed by the first formwork and the second formwork which are spliced by clear water, the blanking height is kept to be not more than 2m, the pouring flow direction of the concrete takes the corner as a starting point, and cement mortar with the thickness of 1-2cm and the same as the composition of the fair-faced concrete is poured at the root. Wherein, cement mortar is evenly added into the template by adopting shovels.
Further, in one embodiment, the step of vibrating the bare concrete comprises: sequentially vibrating by adopting a first vibrating device and a second vibrating device, wherein the diameters of the first vibrating device and the second vibrating device are different; and simultaneously, knocking areas of the first template and the second template corresponding to the poured concrete layer. Specifically, for example, after the nth layer of fair-faced concrete is poured, the nth layer of fair-faced concrete is vibrated, and after the nth-1 layer of fair-faced concrete is poured, fair-faced concrete is added, and the first vibrating device and the second vibrating device are adopted to vibrate in sequence, wherein the diameters of the first vibrating device and the second vibrating device are different. In this embodiment, the first vibrating means is an insertion vibrating rod having a diameter of 35mm, and the second vibrating means is an insertion vibrating rod having a diameter of 50 mm. Adopt the device that vibrates of different diameters, can make clear water concrete pouring effect improve, it is more solid. It should be noted that the first vibrating device and the second vibrating device should be inserted quickly and pulled slowly, and the reinforcing steel bars should not be touched, and the vibrating process should keep the distance between the vibrating rod and the surface of the concrete to be not less than 5 cm. In addition, the regions of the first formwork and the second formwork corresponding to the poured concrete layer are knocked, that is, the poured concrete layer below the nth layer is knocked, and the first formwork and the second formwork in the regions below the nth layer are knocked, so that the concrete pouring tightness is further improved, and the stability of the whole structure is further improved.
In addition, in other embodiments, self-compacting concrete can be adopted, and the self-compacting concrete has the characteristics of high flowing self-filling property, segregation resistance, high clearance passing property and the like, so that even if the reinforcing bars are dense, the self-compacting concrete can be uniformly and compactly formed only under the action of the self weight of the concrete without vibration. Furthermore, a first vibrating device and a second vibrating device can be placed in the special-shaped concrete column to perform auxiliary vibrating.
It should be noted that the structure adopted by the first vibrating device and the second vibrating device may be spring steel rings, that is, both the first vibrating device and the second vibrating device may be formed by spirally winding steel wires with certain strength.
Further, after concrete pouring is completed, when the concrete surface is subjected to slurry collecting and drying, film covering and watering curing are immediately carried out, namely, when the concrete surface is subjected to slurry collecting and drying, film covering and watering curing are immediately carried out, and the curing time is more than or equal to 14 days.
S50: and removing the first template and the second template.
Specifically, when the strength of the concrete structure reaches more than 70%, the first formwork and the second formwork can be dismantled. The bolts connecting the first template and the second template can be firstly disassembled, then the first template and the second template are respectively hung by the crane, and the first template and the second template are sequentially disassembled.
In one embodiment, the step of removing the first and second templates comprises: the first template and the second template are disassembled in a top-down mode; dragging the first template and the second template by using a crane; cleaning and refurbishing the first template and the second template. Specifically, in this embodiment, when the first formwork and the second formwork are removed, the first formwork and the second formwork are removed in a manner of being divided into blocks from top to bottom, and then the first formwork and the second formwork are removed by being matched with each other by a crane. After the bolts connecting the first template and the second template are loosened, the crane respectively lifts the first template and the second template, the interfaces of the templates are loosened manually by steel fibers, the crane pulls the first template or the second template upwards and outwards after the interfaces of the whole first template or the whole second template are loosened, and the first template and the second template are separated from the V-shaped variable cross-section concrete column. In addition, should artificially hold first template and second template after first template and second template break away from V style of calligraphy variable cross section concrete column to prevent that it from rocking and touch the concrete column, damage concrete surface course.
In addition, the first template and the second template which are detached can be maintained for recycling. Specifically, the first formwork is taken as an example for explanation, the concrete spots on the surface are firstly removed, the surface of the formwork is trimmed by using sand skin, the geometric dimension is trimmed, and the corrugated wood is placed according to the required fulcrum position to avoid the warping of the first formwork. It should be noted that the maintenance manner of the second template is the same as that of the first template, and is not described herein again.
Further, in an embodiment, after the step S50, the method further includes the step S60: and repairing and maintaining the poured fair-faced concrete. Specifically, after the first formwork and the second formwork are removed, if small defects such as bubbles, pitted surfaces, sand lines and the like are found on the surface of the concrete, fine repair such as bolt hole plugging, bubble repair, wall root repair, deviation repair and the like needs to be carried out on the surface of the fair-faced concrete, the color and luster of the surface of the fair-faced concrete are ensured to be consistent with those of the concrete, and then a plastic film is wrapped on the surface of the V-shaped variable-section concrete column for maintenance.
The construction method of the special-shaped concrete column comprises the steps of preparing a first template and a second template which are axially symmetrical, binding reinforcing steel bars in the first template and the second template respectively according to a drawing, splicing the first template and the second template, supporting, splicing construction by adopting a shaped template, improving the construction efficiency, supporting the spliced first template and the spliced second template, improving the construction safety, pouring clear water concrete on the spliced first template and the spliced second template, vibrating and curing the clear water concrete, finally dismantling the first template and the second template, pouring clear water concrete on the spliced first template and the spliced second template, vibrating and curing, dismantling the first template and the second template to ensure that the structural integrity of the special-shaped concrete column is good, and the safety of the whole construction process can be improved. The forming appearance and safety are effectively guaranteed by using the stereotyped steel template to replace the traditional template construction means. The first template and the second template are spliced to form a whole, materials for selecting heavy concrete are poured, and concrete pouring, vibrating processes and detail processing are carried out, so that the concrete main body structure forms a natural beautiful appearance, the whole manufacturing and the nodes of the stiff columns and the reinforcement cages are fully considered, the concrete pouring technology is strictly controlled, and the structural integrity of the concrete columns is good. In addition, the construction method can improve the construction efficiency, reduce the cost and obviously improve the quality assurance rate.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The construction method of the special-shaped concrete column is characterized by comprising the following steps:
preparing a first template and a second template, wherein the first template and the second template are axisymmetric;
according to a drawing, respectively binding steel bars in the first template and the second template;
splicing the first template and the second template, and supporting;
pouring fair-faced concrete on the spliced first template and the spliced second template, and vibrating and maintaining the fair-faced concrete;
and removing the first template and the second template.
2. The construction method of the special-shaped concrete column according to claim 1, wherein the first formwork and the second formwork respectively comprise a frame, a panel and a rib plate, the panel is arranged on the frame, and the rib plate is fixedly connected with one side, far away from the panel, of the frame.
3. The method for constructing a profiled concrete column according to claim 1, wherein the step of performing reinforcement in the first form and the second form respectively comprises:
connecting a main rib by adopting a straight thread sleeve to form a reinforcement cage, wherein the reinforcement cage is abutted against the inner side of the first template or the second template;
welding a reinforcing steel bar reinforcing hoop;
and binding the reinforcement cage and the reinforcement intersection of the reinforcement hoop by using a binding wire.
4. The method for constructing a profiled concrete column as claimed in claim 3, wherein after the step of forming the main reinforcement by connecting the main reinforcement sections with the straight thread sleeve and before the step of welding the reinforcing bar hoops, further comprising the steps of: and hanging the wire by using a wire hammer, so that the center of the reinforcement cage is superposed with the center of the special-shaped concrete column.
5. The method for constructing a profiled concrete column as claimed in claim 3, wherein the step of forming a reinforcement cage by connecting the main reinforcement with the straight threaded sleeve further comprises: and binding cushion blocks on the main ribs, so that the cushion blocks are arranged between the first template and the main ribs and between the second template and the main ribs.
6. The method for constructing a profiled concrete column according to claim 1, wherein the step of splicing and supporting the first form and the second form comprises: positioning the seam splicing positions of the first template and the second template by using positioning pins; fixedly connecting the first template and the second template by bolts according to the positions of the positioning pins; and according to the preset position, the channel steel is arranged at the preset position to support the first template and the second template.
7. The method for constructing a profiled concrete column according to claim 1, wherein the step of pouring fair-faced concrete into the spliced first formwork and the second formwork comprises: and (4) performing layered pouring according to the preset thickness, wherein a hose is inserted into each layer of the fair-faced concrete during pouring.
8. The method of claim 7, wherein the step of vibrating the bare concrete comprises: sequentially vibrating by adopting a first vibrating device and a second vibrating device, wherein the diameters of the first vibrating device and the second vibrating device are different; and simultaneously, knocking areas of the first template and the second template corresponding to the poured concrete layer.
9. The method of constructing a profiled concrete column as defined in claim 1, wherein the step of removing the first form and the second form includes: disassembling the first template and the second template in a top-down mode; dragging the first template and the second template by using a crane; cleaning and refurbishing the first template and the second template.
10. The method of constructing a profiled concrete column as claimed in claim 1, further comprising the step of, after said step of removing said first form and said second form: and repairing and maintaining the poured fair-faced concrete.
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| CN113958123A (en) * | 2021-11-04 | 2022-01-21 | 中国十七冶集团有限公司 | Manufacturing method of concrete batter post template inclination control device |
| CN114033169A (en) * | 2021-12-14 | 2022-02-11 | 中国十七冶集团有限公司 | Crotch post penetration node prefabricated template based on BIM technology and use method |
| CN114961241A (en) * | 2022-06-22 | 2022-08-30 | 江苏武进建工集团有限公司 | Bare concrete V-shaped column formwork supporting system and construction method thereof |
| CN117468704A (en) * | 2023-12-26 | 2024-01-30 | 北京市第三建筑工程有限公司 | Three-dimensional stiffness bare concrete diagonal column formwork reinforcement construction method |
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| CN113073789B (en) * | 2021-04-22 | 2022-04-19 | 中国十七冶集团有限公司 | Construction method of crotch column inclined column of swimming pool |
| CN113958123A (en) * | 2021-11-04 | 2022-01-21 | 中国十七冶集团有限公司 | Manufacturing method of concrete batter post template inclination control device |
| CN114033169A (en) * | 2021-12-14 | 2022-02-11 | 中国十七冶集团有限公司 | Crotch post penetration node prefabricated template based on BIM technology and use method |
| CN114033169B (en) * | 2021-12-14 | 2022-09-06 | 中国十七冶集团有限公司 | Crotch post penetration node prefabricated template based on BIM technology and use method |
| CN114961241A (en) * | 2022-06-22 | 2022-08-30 | 江苏武进建工集团有限公司 | Bare concrete V-shaped column formwork supporting system and construction method thereof |
| CN114961241B (en) * | 2022-06-22 | 2023-07-25 | 江苏武进建工集团有限公司 | Clear water concrete V-shaped column formwork support system and construction method thereof |
| CN117468704A (en) * | 2023-12-26 | 2024-01-30 | 北京市第三建筑工程有限公司 | Three-dimensional stiffness bare concrete diagonal column formwork reinforcement construction method |
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