CN114875955A - Installation device for overlong concrete linear retaining wall template and construction method thereof - Google Patents
Installation device for overlong concrete linear retaining wall template and construction method thereof Download PDFInfo
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- CN114875955A CN114875955A CN202210445609.4A CN202210445609A CN114875955A CN 114875955 A CN114875955 A CN 114875955A CN 202210445609 A CN202210445609 A CN 202210445609A CN 114875955 A CN114875955 A CN 114875955A
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- 238000010276 construction Methods 0.000 title claims abstract description 52
- 238000009434 installation Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 162
- 239000010959 steel Substances 0.000 claims abstract description 162
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 238000009415 formwork Methods 0.000 claims description 34
- 238000004513 sizing Methods 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 241000282326 Felis catus Species 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 239000004035 construction material Substances 0.000 abstract 1
- 230000007306 turnover Effects 0.000 description 6
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0275—Retaining or protecting walls characterised by constructional features cast in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention provides a device for installing a template of an overlong concrete linear retaining wall, which comprises: the template trolley, the movable lifting appliance, the stereotyped template and the jacking device are arranged on the template trolley; the template trolley comprises a trolley track, trolley track wheels, profile steel stand columns, upper profile steel connecting beams, motors and a remote control receiver; the movable lifting appliance is arranged below the upper section steel connecting beam, at least one pair of stereotyped templates are arranged, and reinforcing channel steel and lifting lugs are arranged on the stereotyped templates; the jacking devices are multiple, fixed ends of the jacking devices are installed on the channel steel beam of the profile steel stand column, and movable ends of the jacking devices jack tightly the outer edge grooves of the reinforced channel steel. The invention also provides a construction method based on the installation device, which can ensure the straightness and the verticality of the retaining wall construction, is simple to install, convenient to dismantle and reliable in reinforcement, can avoid the inconvenience caused by manual carrying and dismounting of operation frame materials in the long retaining wall pouring construction, improves the construction efficiency, shortens the construction period, saves the construction cost and realizes the recycling of construction materials.
Description
Technical Field
The invention belongs to the technical field of building wall structures, and particularly relates to an overlong concrete linear retaining wall template mounting device and a construction method based on the overlong concrete linear retaining wall template mounting device.
Background
The retaining wall is a common structure in industrial building construction, and is used for a raw material warehouse or a storage yard (such as raw materials of iron ore, copper ore and the like), supporting roadbed filling or a hillside soil body, and preventing the filling or the soil body from deforming and destabilizing. The retaining wall is generally arranged in a straight line and is long, construction joints are arranged on the retaining wall every 4000-6000 mm, and the joint width is generally 30-50 mm.
The construction of barricade need be with the help of the barricade template, and the construction mode of traditional barricade template generally includes following step: two rows of steel pipe operation frames are erected on two sides of the retaining wall, wood templates are used for splicing block by block, a diagonal draw bar is used for reinforcing, and steel pipes are used for casting, supporting and butting on the outer side of the retaining wall. The construction method has the advantages that the construction difficulty is high, the straightness and the verticality of the template are difficult to guarantee, the turnover utilization rate of the template is low, and the loss is large; meanwhile, the drawing rod cannot be reused after being put into use once, and the problems that the steel pipe operation frame is high in leasing cost, heavy in manual turnover and carrying work and the like exist. The problems are particularly prominent in the installation process of the overlong concrete straight retaining wall template.
In view of this, how to improve the conventional retaining wall template construction method, on the premise of improving the accuracy of the straightness and the perpendicularity of the template and the retaining wall, the rapid installation and removal of the retaining wall template, and the flexible turnover and recycling of the retaining wall template are realized, which is a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to provide an overlong concrete linear retaining wall template mounting device which can improve the verticality and mounting precision of a template and a retaining wall, ensure the rapid mounting and dismounting of the retaining wall template and facilitate the flexible turnover and recycling of the retaining wall template.
The invention also aims to provide a construction method of the overlong concrete linear retaining wall template, which can improve the verticality and the installation precision of the template and the retaining wall, ensure the rapid installation and removal of the retaining wall template and facilitate the flexible turnover and the recycling of the retaining wall template.
The technical scheme adopted by the invention for realizing one of the purposes is as follows: the utility model provides a overlength concrete straight retaining wall template installation device, includes: the template trolley, the movable lifting appliance, the stereotyped template and the jacking device are arranged on the template trolley;
the template trolley comprises: the device comprises a trolley track, trolley track wheels, profile steel stand columns, upper profile steel connecting beams, a motor and a remote control receiver; the movable lifting appliance is arranged below the upper section steel connecting beam and used for lifting the shaped template; the at least one pair of the stereotyped templates is used for positioning and pouring the retaining wall, and one surface, far away from the retaining wall, of each stereotyped template is provided with a reinforcing channel steel and a lifting lug for lifting a movable lifting appliance; the jacking device is multiple, the fixed end of the jacking device is installed on the channel steel beam of the profile steel stand column, and the movable end of the jacking device is used for jacking the outer edge groove of the reinforced channel steel.
On the basis of the technical scheme, a patterned steel plate platform is installed at the top of the section steel stand column of the template trolley, and square steel railings are arranged on two sides of the patterned steel plate platform.
On the basis of the technical scheme, the movable lifting appliance is a monorail crane symmetrically arranged on two sides of the retaining wall and comprises an I-shaped steel track, an electric cat-head crane and an electric hoist.
On the basis of the technical scheme, angle steel is installed on two side edges of the stereotyped templates, and the stereotyped templates on two sides of the retaining wall (5) are connected with each other through a pair of side templates inserted with the angle steel.
On the basis of the technical scheme, the length of the sizing template is 2-6 m, and the width of the sizing template is 0.5-6 m; the length of the side template is 0.5-6 m, and the width of the side template is 0.2-1 m; the stereotyped template with the side form all adopt solid aluminum mould board.
On the basis of the technical scheme, the jacking devices are a plurality of hydraulic jacking devices which are horizontally and vertically distributed, the horizontal distance between every two adjacent jacking devices is 800-1500 mm, and the vertical distance is 800-1500 mm.
The second technical scheme adopted for achieving the purpose of the invention is as follows: the construction method of the formwork installation device for the ultra-long concrete linear retaining wall based on one of the purposes of the invention comprises the following steps:
s1, determining longitudinal and transverse sidelines and track center lines of the retaining wall, and installing the trolley tracks on the two sides;
s2, trolley track wheels and profile steel columns are simultaneously installed on the trolley tracks on the two sides, and the tops of the profile steel columns are connected through upper profile steel connecting beams, so that the steel platforms on the two sides form an integral framework platform; checking the verticality of the section steel upright posts and the levelness of the upper section steel connecting beam to control the verticality and the levelness within 1 per thousand;
s3, installing an I-shaped steel track, an electric cat head crane and an electric hoist of a movable lifting appliance below the upper section steel connecting beam, and lifting the stereotyped template by using the movable lifting appliance after the control template trolley runs to the position where the retaining wall is to be installed;
s4, integrally assembling the stereotyped templates, mounting reinforcing channel steel on the outer sides of the stereotyped templates, mounting a jacking device on a channel steel beam of the profile steel stand column, and jacking an outer edge groove of the reinforcing channel steel by using the jacking device to adjust the verticality of the stereotyped templates to be vertical to the ground;
s5, installing angle steel on the side edges of the stereotyped templates on the two sides, respectively inserting side templates into the angle steel on the two sides of the stereotyped templates, and tightening and reinforcing the side templates by using nuts;
s6, installing a pattern steel plate platform and square steel railings on two sides of the pattern steel plate platform at the top of the template trolley, and installing a ladder stand on at least one side of the template trolley to perform concrete pouring of the retaining wall.
Based on the above technical solution, in step S1, the vertical and horizontal side lines of the retaining wall and the central line of the track are determined by ejecting ink lines on the ground.
On the basis of the technical scheme, in the step S2, the verticality of the steel upright and the levelness of the upper section steel connecting beam are controlled within 1 per thousand by utilizing the theodolite and the gradienter.
On the basis of the technical scheme, the construction method further comprises the following steps:
s7, after the construction of the current retaining wall is completed, loosening the jacking device, hoisting the finalized template by using the movable lifting appliance, drawing out the side template, and performing disassembly operation; and then moving the ultra-long concrete linear retaining wall template mounting device forwards or backwards to a specified place according to the next construction requirement, and carrying out the next retaining wall construction.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the installation device for the overlong concrete linear retaining wall template, the upper section steel beams are connected among the symmetrically arranged section steel stand columns to form an integral framework structure, so that the template cannot deform during pouring, and meanwhile, the structure also saves counter-pulling screws, reduces material waste and work after the template is removed, reduces construction cost and ensures construction quality.
(2) According to the template installation device for the ultra-long concrete linear retaining wall, provided by the invention, the reinforcing channel steel is arranged on the side surface of the stereotyped template, and the reinforcing channel steel is installed on the stereotyped template in a mode that the plane is inward and the concave surface is outward. According to the invention, the plurality of jacking devices are arranged at the positions corresponding to the grooves of the outer edges of the channel steel, and the jacking devices are used for jacking the grooves of the outer edges of the channel steel, so that the verticality of the shaped template in the positioning and mounting process is adjusted.
(3) The installation device for the overlong concrete linear retaining wall template, provided by the invention, can flexibly set the size of the sizing template, the track interval and the installation position of the connecting section steel according to design and construction requirements, can also realize the construction of retaining walls with different thicknesses by adjusting the extension length of the movable end of the jacking device, can more flexibly meet the requirements of different application scenes and different construction sizes, and has wider applicability.
(4) According to the construction method of the template installation device for the ultra-long concrete-based linear retaining wall, provided by the invention, the operations of hoisting, straightening, verticality adjusting and the like of the retaining wall template are realized by using a mechanical means, and the problems of straightness and verticality deviation caused by the operation of different workers are avoided. In addition, compared with the traditional construction method, the construction method provided by the invention avoids the problems of material waste, high labor cost and the like caused by reinforcing the tension rod and the fastener steel pipe frame.
(5) The construction method based on the template installation device of the ultra-long concrete linear retaining wall is suitable for construction of the ultra-long concrete linear retaining wall, the installation device is arranged at any position of the long concrete linear retaining wall, the template trolley is controlled to move to a specified position on a straight line, then simple connection and fixing operation are carried out on a shaped template, pouring work of retaining wall concrete can be carried out, a mechanical-to-manual mode is adopted, automatic transportation of building materials is achieved, inconvenience caused by manual transportation is reduced, and construction efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a formwork installation device for an ultra-long concrete linear retaining wall according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the direction a of the installation device of the ultra-long concrete linear retaining wall formwork provided in fig. 1;
fig. 3 is a schematic structural view of the direction B of the installation device of the ultra-long concrete linear retaining wall formwork provided in fig. 1;
fig. 4 is a schematic view of a connection relationship between a finalized template and a sideform according to an embodiment of the present invention, where (a) is to install angle iron on the finalized template, and (B) is to install a sideform between the finalized template and the angle iron;
fig. 5 is a schematic structural diagram of a regularization template and a side template provided in an embodiment of the present invention, where (a) is a regularization template and (B) is a side template.
Wherein, 1-a template trolley; 11-trolley rails; 12-trolley rail wheels; 13-section steel upright posts; 131-channel steel cross beam; 132-channel steel columns; 133-channel steel support; 14-upper section steel connecting beam; 15-a patterned steel plate platform; 16-square steel balustrade; 17-climbing a ladder; 2-moving the lifting appliance; 21-i-beam rail; 3-finalizing the template; 31-reinforcing channel steel; 32-lifting lugs; 33-angle steel; 34-sideform; 35-bolts; 4-a jacking device; 5-retaining wall.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Example 1
Referring to fig. 1, the present embodiment provides an installation apparatus for a linear retaining wall form of ultra-long concrete, which includes: the template trolley 1, the movable lifting appliance 2, the stereotyped template 3 and the jacking device 4;
the formwork trolley 1 comprises: the device comprises a trolley track 11, trolley track wheels 12, a section steel upright 13, an upper section steel connecting beam 14, a motor and a remote control receiver; the movable lifting appliance 2 is arranged below the upper section steel connecting beam 14 and is used for lifting the stereotyped template 3; at least one pair of the stereotyped templates 3 is used for positioning and pouring the retaining wall 5, and one surface, far away from the retaining wall 5, of each stereotyped template 3 is provided with a reinforcing channel steel 31 and a lifting lug 32 for lifting the mobile lifting appliance 2; the jacking devices 4 are multiple, fixed ends of the jacking devices are installed on the channel steel beam 131 of the section steel upright column 13, and movable ends of the jacking devices are used for jacking the outer edge grooves of the reinforced channel steel 31.
In the installation device of the ultra-long concrete retaining wall template, the movable lifting appliance 2 and the jacking device 4 are matched with each other, so that the fixed and positioned sizing template 3 is realized. The distance between a pair of stereotyped templates 3 is controlled by adjusting the installation position of the movable lifting appliance 2 and the length of the extension of the movable end of the jacking device 4, and then the pouring construction of retaining walls with different thicknesses is realized. In addition, set up upper portion shaped steel tie-beam 14 in template platform truck 1, can enough connect into holistic frame with the shaped steel stand 13 of both sides, can regard as the structure basis of removing 2 track installations of hoist again, can also carry out the puller operation to regularization template 3 at puller device 4, the pressure of dispersion puller device 4 fixed end to shaped steel stand 13 plays the effect to drawing.
Referring to fig. 2, fig. 2 is a side view (a-direction view) of the formwork installation apparatus for an ultra-long concrete linear retaining wall, wherein an i-steel rail 21 of a movable hanger 2 is installed below an upper section steel connecting beam 14 at the top of a formwork trolley 1, a transverse channel steel cross beam 131, a vertical channel steel upright 132 and an inclined channel steel support 133 are installed near a section steel upright 13, and the channel steel structures play a role in integral reinforcement.
Referring to fig. 3, fig. 3 is a top view (view from direction B) of the formwork installation apparatus for the ultra-long concrete linear retaining wall, an upper section steel connection beam 14 is disposed at the top of the formwork trolley, an i-steel rail 21 of the movable hanger 2 is vertically installed below the upper section steel connection beam 14, and a transverse and longitudinal channel steel frame is further disposed near the upper section steel connection beam 14 to connect the top of the formwork trolley 1 into an integral frame platform.
Further, a patterned steel plate platform 15 is installed at the top of the section steel upright 13 of the template trolley 1, and square steel railings 16 are arranged on two sides of the patterned steel plate platform 15. At least one side of the template trolley 1 is also provided with a ladder stand 17 convenient for operators to climb. The patterned steel plate platform 15 and the square steel railings 16 on the two sides of the patterned steel plate platform enable the profile steel upright posts 13 on the two sides to form an integral platform, can play a mutual pulling role, and can ensure that concrete pouring personnel can safely vibrate when standing on the patterned steel plate 15 and having a protective railing. The decorative pattern steel plate 15 and the square steel railing 16 provide a safe operation platform for operators, a scaffold does not need to be additionally erected, and operation safety is improved.
In this embodiment, the mobile lifting appliance 2 is a monorail crane symmetrically distributed on two sides of the retaining wall 5, and comprises an i-steel rail 21, an electric cat-head crane and an electric hoist. Wherein, the electric hoist can also be replaced by a manual hoist. An electric cat-head crane and an electric hoist (or a manual hoist) are arranged below the I-steel rail 21, so that the front and back movement of the movable lifting appliance 2 and the operation of lifting the shaped template 3 can be realized.
Referring to fig. 4, angle steels 33 are installed at both sides of the regularization template 3, and the regularization templates 3 at both sides of the retaining wall 5 are connected to each other by a pair of side templates 34 into which the angle steels 33 are inserted. Preferably, the side templates 34 are vertically inserted into the angle steel 33 from top to bottom, and the joints of the short templates and the angle steel 33 are fixed by bolts 35. In this embodiment, the side forms 34 are respectively installed at the two ends of the poured retaining wall 5, so as to further improve the overall rigidity of the finalized form and ensure the smooth pouring construction of the retaining wall 5.
Referring to fig. 5, in the present embodiment, the length of the sizing template 3 is 2 to 6m, and the width is 0.5 to 6 m; the length of the side template 34 is 0.5-6 m, and the width is 0.2-1 m. The size can meet the construction requirements of the retaining wall with the length of 2-6 m, the height of 0.5-6 m and the thickness of 0.2-1 m. Preferably, the sizing template 3 has a size (length × height) of 6m × 0.3m to 6m × 1 m. In this embodiment, the stereotyped templates 3 and the side templates 34 both adopt aluminum templates, that is, solid aluminum templates commonly used in civil buildings.
Furthermore, the jacking devices 4 are a plurality of hydraulic jacking devices which are distributed horizontally and vertically, the horizontal distance between every two adjacent jacking devices 4 is 800-1500 mm, and the vertical distance is 800-1500 mm.
Specifically, the horizontal distance between adjacent tightening devices 4 is determined by comprehensive calculation according to the thickness of the retaining wall and the formwork support design, when the thickness of the retaining wall is 300mm, the horizontal and vertical distances between adjacent tightening devices 4 are preferably 1500mm, and when the thickness of the retaining wall is 1000mm, the horizontal and vertical distances between adjacent tightening devices 4 are preferably 1000 mm.
Example 2
The embodiment provides a construction method of a formwork installation device for an ultra-long concrete linear retaining wall based on embodiment 1, and the construction method comprises the following steps:
s1, determining the longitudinal and transverse sidelines and the track center line of the retaining wall 5, and installing the trolley tracks 11 on the two sides;
s2, simultaneously installing trolley track wheels 12 and section steel upright posts 13 on the trolley tracks 11 on the two sides, and connecting the tops of the section steel upright posts 13 by utilizing upper section steel connecting beams 14 to enable the steel platforms on the two sides to form an integral frame platform; checking the verticality of the section steel upright columns 13 and the levelness of the upper section steel connecting beam 14 to control the verticality and the levelness within 1 per thousand;
s3, installing the I-steel rail 21, the electric cat-head crane and the electric hoist of the movable lifting appliance 2 below the upper section steel connecting beam 14, and lifting the whole stereotyped template 3 by using the movable lifting appliance 2 after the control template trolley 1 runs to the position where the retaining wall 5 is to be installed;
s4, integrally assembling the stereotyped template 3, and installing a reinforcing channel steel 31 outside the stereotyped template 3; a jacking device 4 is arranged on a channel steel beam 131 of the profile steel upright column 13, the jacking device 4 is utilized to jack the outer edge groove of the reinforced channel steel 31, and the verticality of the stereotyped template 3 is adjusted to be vertical to the ground;
s5, installing angle steel 33 on the stereotyped templates 3 on the two sides, respectively inserting the side templates 34 into the angle steel 33 on the two sides of the stereotyped templates 3, and tightening and reinforcing the side templates 34 by using nuts 35;
and S6, mounting the pattern steel plate platform 15 and the square steel railings 16 on two sides of the pattern steel plate platform on the top of the template trolley 1, and mounting the ladder stand 17 on at least one side of the template trolley 1 to perform retaining wall concrete pouring.
Further, in step S1, the vertical and horizontal side lines of the retaining wall and the center line of the track are determined by ejecting ink lines on the ground, and this step is used to achieve accurate positioning of the retaining wall formwork mounting device.
In the step S2, the steel sections are connected to the upper portions of the steel section columns 13, so that the steel platforms on both sides of the retaining wall form an integral frame platform, which can ensure that the formed formwork can still maintain its own strength when receiving the impact force of concrete pouring, and resist the impact load in an integral connection manner. The verticality of the steel upright 13 and the levelness of the upper section steel connecting beam 14 are controlled within 1 per thousand by utilizing a theodolite and a gradienter, and the fixing, the straightening and the verticality adjustment of the aluminum template are facilitated. Through the control to the perpendicularity of the section steel upright 13 and the levelness of the upper section steel connecting beam 14, the levelness of the whole section steel platform is controlled within 1 thousandth, and the accuracy of the perpendicularity and the levelness in the installation process of the aluminum template is further ensured.
In step S3, the motor of the template carriage 1 is started, and the remote controller controls the remote control receiver of the template carriage 1, so that the template carriage 1 can be controlled to travel to a predetermined position along the carriage rail 11.
In the step S4, the reinforcing channel steel 31 is fixed with the stereotyped template 3 in a form that the plane is inward and the groove is outward to form a whole, and the outer edge groove of the reinforcing channel steel 31 serves as a jacking stress point of the jacking device 4, so that the stereotyped template can be reinforced, the stress can be uniformly dispersed, the stereotyped template is prevented from being deformed in the jacking process of the jacking device 4, and the stereotyped template is ensured to be vertical to the ground.
In the step S5, the side formworks 34 are additionally installed on both sides of the finalized formwork 3, so as to further improve the overall rigidity of the finalized formwork and ensure smooth pouring of the retaining wall. According to the method, the stereotyped template 3 is lifted firstly, then the stereotyped template 3, the reinforcing channel steel 31, the angle steel 33 and the side template 34 are assembled on site, and finally the jacking device 4 is installed according to the actual installation position of the reinforcing channel steel 31 on the stereotyped template 3, so that the control on the installation position of the template is more accurate and reliable, and the construction quality of later-stage retaining wall pouring is guaranteed.
In this embodiment, the side mold plates 34 are inserted into the gap between the forming mold plate 3 and the angle iron 33 from the top down, and are fastened by the nuts 35. The convenience that template dismantlement and change has been improved to above-mentioned setting: on one hand, the waste template is convenient to replace; on the other hand, when the concrete retaining wall cannot reach the demolding condition, the formwork trolley 1 can be firstly driven away, another set of stereotyped formworks 3 is replaced, and the later formwork support is continued, so that the using amount of the formwork trolley 1 is reduced, the construction time is saved, and the construction efficiency is improved.
Further, the construction method provided by the embodiment further comprises the following steps: s7, after the construction of the current retaining wall is completed, the loosening and jacking device 4 is removed, the stereotyped template 2 is lifted by the movable lifting appliance 2, the side template 34 is drawn out, and the disassembly operation is carried out; and then moving the ultra-long concrete linear retaining wall template mounting device forwards or backwards to a specified place according to the next construction requirement, and carrying out the next retaining wall construction. This operation utilizes machinery to replace the manual work to carry out the turnover and the transportation of material, uses manpower and materials sparingly, improves the efficiency of construction, effectively shortens construction cycle.
Further, in this embodiment, the mobile spreader 2 may also play another role: after concrete pouring of the first section of wall and the second section of retaining wall is completed, the trolley track 11 of the first section of retaining wall can be lifted by the movable lifting appliance 2 through the single-rail crane, the trolley track 11 is conveyed to the ground of the retaining wall to be constructed in the third section through the trolley remote controller, the purpose of recycling the building material of the template trolley 1 is achieved, and manual carrying cost is further saved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a overlength concrete straight retaining wall template installation device which characterized in that includes: the template trolley (1), the movable lifting appliance (2), the stereotyped template (3) and the jacking device (4);
the formwork trolley (1) comprises: the device comprises a trolley track (11), trolley track wheels (12), a section steel upright post (13), an upper section steel connecting beam (14), a motor and a remote control receiver;
the movable lifting appliance (2) is arranged below the upper section steel connecting beam (14) and is used for lifting the shaped template (3);
at least one pair of the stereotyped templates (3) is used for positioning and pouring the retaining wall (5), and one surface, far away from the retaining wall (5), of each stereotyped template (3) is provided with a reinforcing channel steel (31) and a lifting lug (32) for lifting the movable lifting appliance (2);
the jacking devices (4) are multiple, fixed ends of the jacking devices are installed on channel steel beams (131) of the section steel columns (13), and movable ends of the jacking devices are used for jacking outer edge grooves of the reinforced channel steel (31).
2. The overlength concrete straight retaining wall formwork installing device according to claim 1, characterized in that a patterned steel plate platform (15) is installed on the top of a section steel upright post (13) of the formwork trolley (1), and square steel railings (16) are arranged on two sides of the patterned steel plate platform (15).
3. The overlong concrete linear retaining wall formwork mounting device according to claim 2, wherein the movable lifting tool (2) is a monorail crane symmetrically arranged on two sides of the retaining wall (5) and comprises an I-steel rail (21), an electric cat-head crane and an electric hoist.
4. The overlength concrete straight retaining wall formwork installation device according to claim 3, wherein angle steel (33) is installed at two side edges of the regularization formwork (3), and the regularization formworks (3) at two sides of the retaining wall (5) are connected with each other through a pair of side formworks (34) inserted into the angle steel (33).
5. The installation device of the overlong concrete linear retaining wall formwork according to claim 4, wherein the length of the sizing formwork (3) is 2-6 m, and the width of the sizing formwork is 0.5-6 m; the length of the side template (34) is 0.5-6 m, and the width of the side template is 0.2-1 m; the stereotyped template (3) and the side template (33) both adopt solid aluminum templates.
6. The ultra-long concrete linear retaining wall formwork installing device according to claim 5, wherein the jacking devices (4) are a plurality of hydraulic jacking devices distributed horizontally and vertically, the horizontal distance between every two adjacent jacking devices (4) is 800-1500 mm, and the vertical distance is 800-1500 mm.
7. A construction method of the formwork installation device for the ultra-long concrete linear retaining wall based on the claim 6 comprises the following steps:
s1, determining the longitudinal and transverse sidelines and the track center line of the retaining wall (5), and installing the trolley tracks (11) on the two sides;
s2, trolley track wheels (12) and section steel upright posts (13) are simultaneously installed on the trolley tracks (11) on the two sides, and the tops of the section steel upright posts (13) are connected through upper section steel connecting beams (14), so that the steel platforms on the two sides form an integral frame platform; checking the verticality of the section steel upright posts (13) and the levelness of the upper section steel connecting beam (14) to control the verticality and the levelness within 1 per thousand;
s3, installing an I-shaped steel rail (21) of a movable lifting appliance (2), an electric cat head crane and an electric hoist below the upper section steel connecting beam (14), and lifting the stereotyped template (3) by using the movable lifting appliance (2) after the control template trolley (1) runs to the position where the retaining wall (5) is to be installed;
s4, integrally assembling the stereotyped template (3), installing a reinforcing channel steel (31) on the outer side of the stereotyped template (3), installing a jacking device (4) on a channel steel beam (131) of a profile steel upright post (13), jacking an outer edge groove of the reinforcing channel steel (31) by using the jacking device (4), and adjusting the verticality of the stereotyped template (3) to be vertical to the ground;
s5, installing angle steel (33) on the side edges of the stereotyped templates (3) on the two sides, respectively inserting the side templates (34) into the angle steel (33) on the two sides of the stereotyped templates (3), and tightening and reinforcing the side templates (34) by using nuts (35);
s6, installing a pattern steel plate platform (15) and square steel railings (16) on two sides of the pattern steel plate platform on the top of the template trolley (1), installing a ladder stand (17) on at least one side of the template trolley (1), and pouring concrete of the retaining wall (5).
8. The construction method according to claim 7, wherein in step S1, the vertical and horizontal side lines of the retaining wall (5) and the track center line are determined by ejecting ink lines on the ground.
9. The construction method according to claim 8, wherein in step S2, the verticality of the steel columns (13) and the levelness of the upper section steel connecting beams (14) are controlled within 1 ‰usingtheodolite and level.
10. The construction method according to claim 9, further comprising the steps of:
s7, after the construction of the current retaining wall (5) is completed, loosening the jacking device (4), hoisting the stereotyped template (3) by using the movable lifting appliance (2), drawing out the side template (34), and performing disassembly operation; and then, according to the next construction requirement, the overlong concrete linear retaining wall template mounting device is moved forwards or backwards to a specified place, and the next retaining wall (5) is constructed.
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