CN216275702U - Slip form device suitable for steep slope concrete construction - Google Patents
Slip form device suitable for steep slope concrete construction Download PDFInfo
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- CN216275702U CN216275702U CN202122854813.5U CN202122854813U CN216275702U CN 216275702 U CN216275702 U CN 216275702U CN 202122854813 U CN202122854813 U CN 202122854813U CN 216275702 U CN216275702 U CN 216275702U
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Abstract
The utility model discloses a slip form device suitable for steep slope concrete construction, which comprises a side form assembly, a slip form assembly and a traction assembly, wherein the side form assembly comprises a first side form and a second side form, the first side form is vertically arranged with the slope surface of the steep slope, the second side surface is vertically arranged with the slope surface of the steep slope, and the lower side surface of the slip form assembly is arranged in parallel with the slope surface of the steep slope and is connected with the side form assembly in a sliding manner; the traction assembly is fixedly arranged on the steep side slope, and the traction end of the traction assembly is fixedly connected with the sliding form assembly and drives the sliding form assembly to slide up and down along the side form assembly; wherein concrete is poured between the first side form, the second side form, the slip form assembly and the sloping surface of the steep slope. According to the utility model, the side mold assembly is arranged on the slope surface of the steep slope, and the concrete pouring cavity is formed by the side mold assembly, the sliding mold assembly and the slope surface of the steep slope, so that concrete is poured on the slope surface of the steep slope.
Description
Technical Field
The utility model relates to the field of water conservancy and hydropower construction, in particular to a slip form device suitable for steep slope concrete construction.
Background
According to a conventional construction method, the steep slope concrete construction at the present stage mostly adopts a buckling mould, the construction is carried out in a mode of adopting the buckling mould, a scaffold needs to be built, and personnel are required to climb on the scaffold for construction, a certain dangerous system exists, more templates and other materials are also required in addition, and the construction cost is higher.
And the steep slope concrete constructed by adopting the buckling mould may have more cold joints, and the surface of the steep slope concrete is bound to have a honeycomb pitted surface, so that the integrity and the appearance are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the construction cost of the formwork buckling of the steep slope concrete at the present stage is high in quality and poor in safety, and aims to provide a slip form device suitable for the construction of the steep slope concrete and solve the construction problem of the steep slope concrete.
The utility model is realized by the following technical scheme:
a slip form apparatus suitable for steep slope concrete construction, comprising:
side form subassembly, its fixed setting is on the domatic of steep slope, and it includes:
the first side die is perpendicular to the slope surface of the steep side slope, and the long axis of the first side die is parallel to the slope surface of the steep side slope;
the second side die is perpendicular to the slope surface of the steep slope, and the first side die and the second side die are arranged in parallel;
the sliding mould assembly is arranged above the side mould assembly, and the lower side surface of the sliding mould assembly is arranged in parallel with the slope surface of the steep slope and is connected with the side mould assembly in a sliding manner;
the traction assembly is fixedly arranged on the steep slope, and the traction end of the traction assembly is fixedly connected with the sliding form assembly and drives the sliding form assembly to slide up and down along the side form assembly;
wherein concrete is poured between the first side form, the second side form, the slip form assembly and the sloping surface of the steep slope.
Specifically, the first side die/the second side die comprises a plurality of steel pipes arranged in parallel, the lower ends of the steel pipes are vertically connected with the slope surface of the steep slope, the upper ends of the steel pipes are positioned on the same inclined surface, and the inclined surface is parallel to the slope surface of the steep slope;
the downside of slipform subassembly be provided with the slipform track of the upper end adaptation of steel pipe, two slipform track parallel arrangement and respectively with first side mould with the second side mould corresponds.
Further, the side form assembly further comprises:
the plurality of tie bars are arranged between the first side die and the second side die, the first ends of the tie bars are vertically and fixedly connected with the inner side surface of the first side die, and the second ends of the tie bars are vertically and fixedly connected with the inner side surface of the second side die;
and the first ends of the plurality of dowel bars are fixedly connected with the slope surface of the steep slope in an inclined mode, and the second ends of the dowel bars are fixedly connected with the outer side surface of the first side die/the second side die in an inclined mode.
Preferably, a batten for gap filling is arranged between the side die assembly and the slope surface of the steep slope, and equal angle steel for protecting the steel pipe is welded at the upper end of the side die assembly.
Specifically, the slip-form assembly comprises:
the steel skeleton is fixedly connected with the traction end of the traction assembly;
and the upper side surface of the slip form panel is fixedly connected with the lower side surface of the steel framework, and the slip form panel is arranged in parallel with the slope surface of the steep slope.
Further, the slip form assembly further comprises:
the vibrating operation platform is arranged on the steel skeleton and is positioned at the upper end of the steel skeleton, and a concrete vibrator is arranged on the vibrating operation platform;
and the plastering platform is arranged on the steel skeleton and is positioned at the lower end of the steel skeleton.
Preferably, the slip-form panel is a steel plate having a thickness of 6 mm.
Specifically, the pulling assembly comprises:
the winch is fixedly arranged at the top of the steep side slope;
and the first end of the traction steel wire rope is fixedly connected with a winding drum of the winding engine and wound on the winding drum, and the second end of the traction steel wire rope is fixedly connected with the sliding form assembly.
Further, the tow assembly further comprises:
the pulley assembly is fixedly arranged at the top of the steep slope, the second end of the traction steel wire rope bypasses the pulley assembly and is fixedly connected with the sliding form assembly, and the traction steel wire rope between the pulley assembly and the sliding form assembly is parallel to the slope surface of the steep slope.
Preferably, the pulley assembly comprises a plurality of fixed pulleys, a plurality of rotating shafts of the fixed pulleys are rotatably connected with the top of the steep slope through a fixed frame, and the second end of the traction steel wire rope sequentially bypasses the fixed pulleys and is fixedly connected with the slip form assembly.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
according to the utility model, the side mold assembly is arranged on the slope surface of the steep slope, and the side mold assembly, the sliding mold assembly and the slope surface of the steep slope form the concrete pouring cavity, so that the purpose of pouring concrete on the slope surface of the steep slope is realized, and finally:
the concrete has less cold seams, low probability of surface honeycomb pitted surface, high integrity and appearance and excellent quality.
The use of a scaffold is cancelled, so that the risks of falling objects at high altitude and climbing during construction of personnel are reduced, plastering and concrete vibrating work can be easily finished on the slip form assembly, the safety factor is improved, and the construction is convenient.
The winch is adopted for traction, so that the labor is greatly reduced, the use cost of the template and other materials is saved, the construction efficiency is improved, the construction cost is greatly reduced, and better economic benefit is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the principles of the utility model.
Fig. 1 is a schematic structural view of a slip form device suitable for steep slope concrete construction according to the utility model.
Reference numerals: 1-slope surface of steep slope, 2-side mould assembly, 3-slip form panel, 4-steel skeleton, 5-vibration operation platform, 6-plastering platform, 7-traction steel wire rope and 8-poured concrete.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the utility model.
It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
A slip form device suitable for steep slope concrete construction comprises a side form assembly 2, a slip form assembly and a traction assembly.
The side die assembly 2 is fixedly arranged on the slope surface 1 of the steep side slope and comprises a first side die and a second side die, the first side die is perpendicular to the slope surface 1 of the steep side slope, and the long axis of the first side die is parallel to the slope surface 1 of the steep side slope; the second side die is perpendicular to the slope surface 1 of the steep slope, and the first side die is parallel to the second side die; a bar-shaped cavity vertical to the top of the steep slope is arranged between the first side die and the second side die.
The slip form assembly is arranged above the side form assembly 2, and the lower side surface of the slip form assembly is arranged in parallel with the slope surface 1 of the steep slope and is connected with the side form assembly 2 in a sliding manner;
after the slip form assembly is mounted on the side form assembly 2, the first side form, the second side form, the slip form assembly and the slope surface 1 of the steep slope form a rectangular cavity with two unsealed ends, and then concrete (such as poured concrete 8 marked in fig. 1) can be poured among the first side form, the second side form, the slip form assembly and the slope surface 1 of the steep slope, so that concrete pouring of the steep slope is realized.
Meanwhile, in the process of pouring the concrete, the concrete needs to be vibrated, so that the length of the slip form assembly cannot be set to be equal to the slope length of the steep slope, and therefore, in the embodiment, the slip form assembly is set to be in a state of being capable of sliding up and down along the side form assembly 2, and the up-and-down movement is realized by arranging the traction assembly.
The traction assembly is fixedly arranged on the steep slope, and the traction end of the traction assembly is fixedly connected with the sliding form assembly and drives the sliding form assembly to slide up and down along the side form assembly 2.
The slipform assembly is arranged at the bottom of the side form assembly 2, and after the pouring of the section of concrete is finished, the slipform assembly is moved upwards along the side form assembly 2 through the traction assembly, so that the pouring of the steep slope concrete is realized section by section.
The first side die and the second side die are at least two vertically arranged steel plates, but in order to increase stability and strength, in the embodiment, the first side die/the second side die comprises a plurality of steel pipes arranged in parallel, the adjacent steel pipes are fixedly connected in a welding mode, the lower ends of the steel pipes are vertically connected with the slope surface 1 of the steep slope, the upper ends of the steel pipes are positioned on the same inclined surface, and the inclined surface is parallel to the slope surface 1 of the steep slope;
the first side mold and the second side mold have at least two functions: the first is to treat the concrete of pouring and use as enclosing purlin, and the second is to using as backup pad and sliding plate to the slipform subassembly.
In order to increase the stability of the sliding form assembly sliding up and down along the side form assembly 2 and avoid dislocation, a sliding form track matched with the upper end of the steel pipe is arranged on the lower side surface of the sliding form assembly, and the two sliding form tracks are arranged in parallel and respectively correspond to the first side form and the second side form.
Arranging a batten for gap filling between the middle side die assembly 2 and the slope surface 1 of the steep slope during the installation of the first side die and the second side die, and then plugging the gap by cement mortar; in order to prevent excessive abrasion, equal-angle steel for protecting the steel pipe is welded at the upper end of the side die assembly 2, and the equal-angle steel is welded into hot-rolled equal-angle steel with the thickness of 2.5 mm.
The slip form assembly comprises a steel skeleton 4 and a slip form panel 3.
The steel skeleton 4 is fixedly connected with the traction end of the traction component;
the upper side face of the slip form panel 3 is fixedly connected with the lower side face of the steel framework 4, the slip form panel 3 is arranged in parallel with the slope surface 1 of the steep slope, the slip form panel 3 is a steel plate with the thickness of 6mm, and the slip form panel 3 needs to be derusted before use, so that the smooth surface and no pollutant are guaranteed.
Through the steep slope slip form device, the steep slope slip form construction method is adopted to construct the steep slope, and the construction method is carried out on the steep slope at the steepest slope to 1: the construction can be easily carried out on a 0.5 side slope, and the construction strength per hour can reach 12m3The concrete is more suitable for slope concrete, and if the conventional buckling mold is adopted, the concrete can only reach 3m3The/h is 4 times of that of the conventional method.
Example two
The present embodiment is optimized for the first embodiment, and in the present embodiment, the side mold assembly 2 further includes a tie bar and a dowel bar.
The plurality of tie bars are arranged between the first side die and the second side die, the first ends of the tie bars are vertically and fixedly connected with the inner side surface of the first side die, and the second ends of the tie bars are vertically and fixedly connected with the inner side surface of the second side die;
the lacing wire exerts inward effort to first side mould and second side mould, avoids when carrying out concrete placement, and the concrete exerts outside effort to first side mould and second side mould and leads to side form subassembly 2 to produce the deformation.
The first ends of the plurality of the dowel bars are fixedly connected with the slope surface 1 of the steep slope in an inclined mode, and the second ends of the dowel bars are fixedly connected with the outer side surface of the first side die/the second side die in an inclined mode.
The dowel bars exert inward acting force on the first side die and the second side die, and the side die assembly 2 is prevented from being deformed due to the fact that the concrete exerts outward acting force on the first side die and the second side die when concrete is poured.
In addition, when concrete is poured, the concrete needs to be vibrated, and the slipform panel 3 has a certain floating function, but the effect may have defects, so the slipform assembly further comprises a vibrating operation platform 5 and a floating platform 6.
The vibrating operation platform 5 is arranged on the steel skeleton 4 and is positioned at the upper end of the steel skeleton 4, and a concrete vibrator is arranged on the vibrating operation platform 5;
the floating platform 6 is arranged on the steel skeleton 4 and is located at the lower end of the steel skeleton 4, the general practical situation is that when the sliding formwork assembly rises to a height of 2-3 m from the ground, the floating platform 6 which is welded by angle steel and steel wires to be about 2m in height is hung at the bottom of the sliding formwork assembly, and the sliding formwork assembly works on the floating platform 6 to conduct manual floating on a concrete pouring surface.
The traction assembly comprises a winch and a traction wire rope 7.
The winch is fixedly arranged at the top of the steep side slope;
the first end of the traction steel wire rope 7 is fixedly connected with a winding drum of the winding engine and wound on the winding drum, and the second end of the traction steel wire rope 7 is fixedly connected with the sliding form assembly.
The length of the traction steel wire rope 7 is controlled by a winch, so that the sliding die assembly can be controlled to move up or down on the side die assembly 2.
Meanwhile, in order to avoid dislocation of the sliding mode assembly and the side face assembly possibly caused by the traction angle of the traction assembly, the pulley assembly is arranged on the traction steel wire rope 7 and is fixedly arranged at the top of the steep slope, the second end of the traction steel wire rope 7 bypasses the pulley assembly and is fixedly connected with the sliding mode assembly, and the traction steel wire rope 7 between the pulley assembly and the sliding mode assembly is parallel to the slope surface 1 of the steep slope.
The pulley assembly comprises a plurality of fixed pulleys, rotating shafts of the fixed pulleys are rotatably connected with the top of the steep slope through a fixing frame, and the second end of the traction steel wire rope 7 sequentially bypasses the fixed pulleys and is fixedly connected with the sliding form assembly.
The sheave assembly may include a plurality of fixed sheaves or a plurality of movable sheaves that can function to change the angle of the wire rope, as will be understood by those skilled in the art.
EXAMPLE III
The embodiment is a specific working embodiment, and the working flow is as follows:
the Yunpeng hydropower station is a hydropower and hydro-junction project which mainly generates electricity, the project adopts a centralized arrangement mode, the project grade is a large (2) type project such as II, the permanent main building is grade 2, the permanent secondary building is grade three, and the temporary building is grade 4. Installed capacity of 3X 70MW for power station
Spillway chute section left side (stake number 0+257 ~ 0+366, elevation EL833 ~ EL894) side slope and spillway approach section left side slope (stake number 0+86.60 ~ 0-020, elevation EL874 ~ EL904) are thick 50cm and thick 30 cm's C20 concrete sticking slope respectively according to the design drawing, and wherein the biggest slope ratio is 1: 0.75, minimum slope ratio of 1: 0.5, vertical drop height up to 61m
The sliding formwork devices are adopted for construction at the above parts, the panels are made of steel plates with the thickness of 6mm, the main frame is made of 45a I-shaped steel, and the accessories are made of angle steel, steel plates and channel steel. The side die for supporting the die body adopts 20a channel steel.
The first side die/second side die assembly 2 is formed by assembling two 6-meter die plates, the total length is 12 meters, 2.57t of balance weight is added to a sliding die, the total weight is 7.5t, and a plastering platform 6 is hung behind the sliding die.
The self weight of the slip form assembly and the traction force of the traction steel wire rope 7 are utilized to move downwards, a slip form track is made near a sidewalk, the slip form assembly is moved by manually matching with a jack, after temporary fixation, a frame for supporting the traction steel wire rope 7 is made on the sidewalk, and the slip form assembly is moved to a sliding elevation under the traction of the traction steel wire rope 7. The slipform panels 3 are not in contact with the sideform assemblies 2 throughout their seating.
2, a 10t slow winch and a pulley assembly are used as lifting devices for lifting the sliding mode assembly, and the traction steel wire rope 7 is ensured to be parallel to the slope surface 1 of the steep slope as much as possible during sliding;
and (3) slip form construction sequence: and pouring the skip bins firstly, and pouring the clamping bins later, wherein the steel bars are bound well before pouring in each bin.
Installing and debugging a sliding template → warehousing concrete → vibrating → upwards sliding the sliding template component → plastering the concrete panel after demoulding.
The sliding speed of the sliding mode assembly is controlled to be 50-80 cm/h according to actual conditions.
The slope concrete of the Yunpeng hydropower station adopts a slip form construction process, and one bin surface is 120m3The pouring time is 18 hours, if the buckling mold is adopted for pouring, the time is at least 4 days, a scaffold is erected on the buckling mold, and the template reinforcement and the tie bars are used more.
By adopting slip form construction, the construction period is greatly reduced, the cost is saved, and the construction method is successfully applied to the concrete slope pasting construction of the steep slope in the Yunpeng hydropower station at one time and has great development potential.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" 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, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the utility model. Other variations or modifications to the above described invention may occur to those skilled in the art and are within the scope of the utility model.
Claims (9)
1. A slipform apparatus suitable for steep slope concrete construction, comprising:
side form subassembly, its fixed setting is on the domatic of steep slope, and it includes:
the first side die is perpendicular to the slope surface of the steep side slope, and the long axis of the first side die is parallel to the slope surface of the steep side slope;
the second side die is perpendicular to the slope surface of the steep slope, and the first side die and the second side die are arranged in parallel;
the sliding mould assembly is arranged above the side mould assembly, and the lower side surface of the sliding mould assembly is arranged in parallel with the slope surface of the steep slope and is connected with the side mould assembly in a sliding manner;
the traction assembly is fixedly arranged on the steep slope, and the traction end of the traction assembly is fixedly connected with the sliding form assembly and drives the sliding form assembly to slide up and down along the side form assembly;
wherein concrete is poured between the first side form, the second side form, the slip form assembly and the sloping surface of the steep slope;
the side form assembly further comprises:
the plurality of tie bars are arranged between the first side die and the second side die, the first ends of the tie bars are vertically and fixedly connected with the inner side surface of the first side die, and the second ends of the tie bars are vertically and fixedly connected with the inner side surface of the second side die;
and the first ends of the plurality of dowel bars are fixedly connected with the slope surface of the steep slope in an inclined mode, and the second ends of the dowel bars are fixedly connected with the outer side surface of the first side die/the second side die in an inclined mode.
2. The sliding form apparatus for steep slope concrete construction as claimed in claim 1, wherein said first side form/said second side form comprises a plurality of steel pipes arranged side by side, the lower ends of said steel pipes are vertically connected with the slope surface of said steep slope, the upper ends of said steel pipes are located on the same inclined surface, and said inclined surface is parallel to the slope surface of said steep slope;
the downside of slipform subassembly be provided with the slipform track of the upper end adaptation of steel pipe, two slipform track parallel arrangement and respectively with first side mould with the second side mould corresponds.
3. The sliding form device suitable for steep slope concrete construction as claimed in claim 2, wherein a batten for gap filling is arranged between the side mould assembly and the slope surface of the steep slope, and an equal angle steel for protecting the steel pipe is welded at the upper end of the side mould assembly.
4. A slip form arrangement suitable for steep slope concrete construction according to claim 1, wherein the slip form assembly comprises:
the steel skeleton is fixedly connected with the traction end of the traction assembly;
and the upper side surface of the slip form panel is fixedly connected with the lower side surface of the steel framework, and the slip form panel is arranged in parallel with the slope surface of the steep slope.
5. The slip form apparatus suitable for steep slope concrete construction according to claim 4, wherein said slip form assembly further comprises:
the vibrating operation platform is arranged on the steel skeleton and is positioned at the upper end of the steel skeleton, and a concrete vibrator is arranged on the vibrating operation platform;
and the plastering platform is arranged on the steel skeleton and is positioned at the lower end of the steel skeleton.
6. A slipform apparatus suitable for steep slope concrete construction according to claim 5 wherein the slipform panels are steel plates with a thickness of 6 mm.
7. A slip form apparatus suitable for steep slope concrete construction according to claim 1 wherein said pulling assembly comprises:
the winch is fixedly arranged at the top of the steep side slope;
and the first end of the traction steel wire rope is fixedly connected with a winding drum of the winding engine and wound on the winding drum, and the second end of the traction steel wire rope is fixedly connected with the sliding form assembly.
8. The slip form apparatus for steep slope concrete construction as claimed in claim 7, wherein said pulling assembly further comprises:
the pulley assembly is fixedly arranged at the top of the steep slope, the second end of the traction steel wire rope bypasses the pulley assembly and is fixedly connected with the sliding form assembly, and the traction steel wire rope between the pulley assembly and the sliding form assembly is parallel to the slope surface of the steep slope.
9. The sliding form apparatus for steep slope concrete construction as claimed in claim 8, wherein the pulley assembly comprises a plurality of fixed pulleys, the rotating shafts of the fixed pulleys are rotatably connected with the top of the steep slope through a fixed frame, and the second end of the traction cable sequentially bypasses the fixed pulleys and is fixedly connected with the sliding form assembly.
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| CN202122854813.5U CN216275702U (en) | 2021-11-19 | 2021-11-19 | Slip form device suitable for steep slope concrete construction |
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| CN202122854813.5U CN216275702U (en) | 2021-11-19 | 2021-11-19 | Slip form device suitable for steep slope concrete construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094901A (en) * | 2022-07-25 | 2022-09-23 | 浙江迪通建筑规划设计有限公司 | Assembled concrete sliding formwork body and construction method thereof |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094901A (en) * | 2022-07-25 | 2022-09-23 | 浙江迪通建筑规划设计有限公司 | Assembled concrete sliding formwork body and construction method thereof |
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