CN114875955B - Ultra-long concrete straight retaining wall template mounting device and construction method thereof - Google Patents
Ultra-long concrete straight retaining wall template mounting device and construction method thereof Download PDFInfo
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- CN114875955B CN114875955B CN202210445609.4A CN202210445609A CN114875955B CN 114875955 B CN114875955 B CN 114875955B CN 202210445609 A CN202210445609 A CN 202210445609A CN 114875955 B CN114875955 B CN 114875955B
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- 238000010276 construction Methods 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 166
- 239000010959 steel Substances 0.000 claims abstract description 166
- 238000007493 shaping process Methods 0.000 claims abstract description 61
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 241000282326 Felis catus Species 0.000 claims description 10
- 238000009415 formwork Methods 0.000 claims description 10
- 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
- 230000009193 crawling Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000004035 construction material Substances 0.000 abstract 1
- 230000007306 turnover Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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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
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Abstract
The invention provides an ultra-long concrete straight retaining wall template mounting device, which comprises: the device comprises a template trolley, a movable lifting appliance, a shaping template and a jacking device; the template trolley comprises a trolley track, trolley track wheels, a section steel upright post, an upper section steel connecting beam, a motor and a remote control receiver; the movable lifting appliance is arranged below the upper section steel connecting beam, at least one pair of shaping templates are arranged, and reinforcing channel steel and lifting lugs are arranged on the shaping templates; the jacking devices are multiple, the fixed ends of the jacking devices are arranged on the channel steel cross beam of the profile steel upright post, and the movable ends of the jacking devices jack 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 perpendicularity of the construction of the retaining wall, is simple to install, convenient to dismantle and reliable to reinforce, can avoid inconvenience caused by manual carrying and disassembling of the operation frame materials in the pouring construction of the long retaining wall, improves the construction efficiency, shortens the construction period, saves the construction cost and realizes the recycling of the construction materials.
Description
Technical Field
The invention belongs to the technical field of building wall construction, and particularly relates to an ultra-long concrete straight-line retaining wall template mounting device and a construction method based on the ultra-long concrete straight-line retaining wall template mounting device.
Background
Retaining walls are common structures in industrial building construction and are used for raw material warehouses or storage yards (such as raw materials of iron ores, copper ores and the like), supporting roadbed filling or hillside soil mass and preventing deformation and instability of the filling or soil mass. The retaining wall is generally arranged in a straight line, the length of the retaining wall is long, construction joints are arranged on the retaining wall every 4000-6000 mm, and the joint width is generally 30-50 mm.
Construction of a retaining wall is carried out by means of a retaining wall template, and a traditional construction mode of the retaining wall template generally comprises the following steps: double rows of steel pipe operation frames are erected on two sides of the retaining wall, the double rows of steel pipe operation frames are assembled block by using a wood template, wire drawing rods are reinforced, and steel pipes are used for throwing and propping the outer side of the retaining wall, and the like. The construction method is high in construction difficulty, straightness and perpendicularity of the template are difficult to ensure, turnover utilization rate of the template is low, and loss is high; meanwhile, the wire drawing rod cannot be reused after being thrown once, and the problems that the steel pipe operation frame is high in leasing cost, heavy in manual turnover and transportation work and the like exist. In particular, the above problems are particularly pronounced during the installation of ultra-long concrete straight retaining wall forms.
In view of this, how to improve the traditional construction method of the retaining wall template, on the premise of improving the straightness and verticality accuracy of the template and the retaining wall, the quick installation and removal of the retaining wall template, and the flexible turnover and recycling of the retaining wall template are technical problems to be solved.
Disclosure of Invention
The invention aims to provide an ultra-long concrete linear retaining wall template mounting device which can improve the perpendicularity and the mounting precision of templates and retaining walls, ensure quick mounting and dismounting of the retaining wall templates and is beneficial to flexible turnover and recycling of the retaining wall templates.
The second purpose of the invention is to provide a construction method of the ultra-long concrete straight-line retaining wall template, which can improve the perpendicularity and the installation precision of the template and the retaining wall, ensure the quick installation and the disassembly of the retaining wall template and is beneficial to the flexible turnover and the recycling of the retaining wall template.
One of the achievement purposes of the invention adopts the technical proposal that: the utility model provides an overlength concrete straight line barricade template installation device, include: the device comprises a template trolley, a movable lifting appliance, a shaping template and a jacking device;
the template trolley includes: the device comprises a trolley track, trolley track wheels, profile steel upright posts, upper profile steel connecting beams, motors and remote control receivers; the movable lifting appliance is arranged below the upper section steel connecting beam and is used for lifting the shaping template; the fixed templates are used for positioning and pouring the retaining wall, and one surface of the fixed templates, which is far away from the retaining wall, is provided with a reinforcing channel steel and a lifting lug for lifting by a movable lifting appliance; the jacking devices are multiple, the fixed ends of the jacking devices are arranged on the channel steel cross beam of the profile steel upright post, and the movable ends of the jacking devices are used for jacking the outer ridge grooves of the reinforced channel steel.
On the basis of the technical scheme, the pattern steel plate platform is installed at the top of the profile steel upright post of the template trolley, and square steel rails are arranged on two sides of the pattern steel plate platform.
On the basis of the technical scheme, the movable lifting appliance is a single-rail crane symmetrically arranged on two sides of the retaining wall and comprises an I-shaped steel rail, an electric cat head crane and an electric hoist.
On the basis of the technical scheme, angle steel is arranged on two side edges of the shaping template, and the shaping templates on two sides of the retaining wall (5) are connected with each other through a pair of side templates inserted into the angle steel.
On the basis of the technical scheme, the length of the shaping template is 2-6 m, and the width is 0.5-6 m; the length of the side template is 0.5-6 m, and the width is 0.2-1 m; and the shaping templates and the side templates are solid aluminum templates.
On the basis of the technical scheme, the jacking devices are a plurality of hydraulic jacking devices which are distributed horizontally and vertically, the horizontal spacing between every two adjacent jacking devices is 800-1500 mm, and the vertical spacing is 800-1500 mm.
The second technical scheme adopted for realizing the purpose of the invention is as follows: the invention provides a construction method of an ultra-long concrete straight retaining wall template mounting device, which comprises the following steps:
s1, determining longitudinal and transverse side lines and a track center line of a retaining wall, and installing trolley tracks on two sides;
s2, simultaneously installing trolley rail wheels and profile steel columns on trolley rails at two sides, and connecting the tops of the profile steel columns by using profile steel connecting beams at the upper parts so as to form an integral frame platform of the steel platforms at two sides; checking the verticality of the steel upright post and the levelness of the upper section steel connecting beam, so that the verticality and the levelness are controlled within 1 per mill;
s3, installing an I-shaped steel rail, an electric cat head crane and an electric hoist of a movable lifting appliance below the upper section steel connecting beam, and lifting the shaping template by using the movable lifting appliance after the control template trolley runs to a position where a retaining wall is to be installed;
s4, integrally assembling the finalized template, mounting a reinforced channel steel on the outer side of the finalized template, mounting a jacking device on a channel steel beam of a profile steel upright post, and jacking an outer ridge groove of the reinforced channel steel by using the jacking device to adjust the perpendicularity of the finalized template to be perpendicular to the ground;
s5, installing angle steels on the side edges of the shaping templates on two sides, respectively inserting side templates into the angle steels on two sides of the shaping templates, and tightening and reinforcing the side templates by using nuts;
s6, installing a pattern steel plate platform and square steel rails on two sides of the pattern steel plate platform at the top of the template trolley, installing a cat ladder on at least one side of the template trolley, and performing concrete pouring of the retaining wall.
Based on the above technical scheme, in the step S1, the longitudinal and transverse side lines and the track center line of the retaining wall 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 column and the levelness of the upper section steel connecting beam are controlled within 1 per mill by using a theodolite and a level meter.
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, lifting the finalized template by using the movable lifting appliance, extracting the side template, and carrying out the disassembling operation; and then, according to the next construction requirement, the mounting device of the ultra-long concrete straight retaining wall template is moved forwards or backwards to a designated place to carry out the construction of the next retaining wall.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the mounting device for the ultra-long concrete straight retaining wall template, the upper section steel beams are symmetrically arranged between the section steel upright posts and connected to form an integral frame structure, so that the template can be guaranteed not to deform in pouring, simultaneously, the structure omits a counter-pulling screw, material waste and work after the counter-pulling screw is removed are reduced, construction cost is reduced, and construction quality is guaranteed.
(2) The invention provides an installation device for an ultra-long concrete straight-line retaining wall template, wherein reinforcing channel steel is arranged on the side surface of a shaping template, and the reinforcing channel steel is installed on the shaping template in a mode that the plane is inward and the concave surface is outward. According to the invention, the plurality of propping devices are arranged at the positions corresponding to the grooves of the outer edges of the channel steel, and the grooves of the outer edges of the channel steel are propped by the propping devices, so that the verticality is adjusted in the positioning and mounting process of the finalized template.
(3) The mounting device for the ultra-long concrete straight retaining wall template provided by the invention can flexibly set the size and the track spacing of the shaping template and the mounting position of the connecting section steel according to design and construction requirements, can realize 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 based on the ultra-long concrete straight-line retaining wall template mounting device, the operations such as lifting, straightening and verticality adjustment of the retaining wall template are realized by using a mechanical means, and the problems of straightness and verticality deviation caused by different worker operations 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 wire drawing rod and the fastener steel pipe frame.
(5) The construction method based on the ultra-long concrete straight retaining wall template mounting device is suitable for construction of the ultra-long concrete straight retaining wall, the mounting device is arranged at any position of the long concrete straight retaining wall, the template trolley is controlled to move to a specified position on the straight line, and then the shaping template is simply connected and fixed, so that pouring of retaining wall concrete can be performed, and the construction method adopts a mode of replacing manual work by machinery, so that automatic transportation of building materials is realized, inconvenience brought by manual transportation is reduced, and construction efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an installation device for an ultra-long concrete straight retaining wall formwork in an embodiment of the invention;
fig. 2 is a schematic a-direction structural view of an installation device for the ultra-long concrete straight retaining wall template provided in fig. 1;
FIG. 3 is a schematic view of the B-direction structure of the device for installing the ultra-long concrete straight retaining wall formwork provided in FIG. 1;
FIG. 4 is a schematic diagram of a connection relationship between a shaping template and a side template according to an embodiment of the present invention, (A) is to install angle steel on the shaping template, and (B) is to install the side template between the shaping template and the angle steel;
fig. 5 is a schematic structural diagram of a finalized template and a sideform provided in an embodiment of the present invention, where (a) is the finalized template and (B) is the sideform.
Wherein, 1-the template trolley; 11-trolley track; 12-trolley rail wheels; 13-section steel upright posts; 131-a channel beam; 132-channel steel upright posts; 133-channel steel support; 14-upper section steel connecting beams; 15-a patterned steel plate platform; 16-square steel railing; 17-climbing a ladder; 2-moving the lifting appliance; 21-I-steel track; 3-shaping the template; 31-reinforcing channel steel; 32-lifting lugs; 33-angle steel; 34-side templates; 35-bolts; 4-jacking devices; 5-retaining wall.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention will be further illustrated, but is not limited, by the following examples.
Example 1
Referring to fig. 1, the embodiment provides an installation device for an ultra-long concrete straight retaining wall template, which includes: the device comprises a template trolley 1, a movable lifting appliance 2, a shaping template 3 and a jacking device 4;
the template trolley 1 includes: the trolley comprises a trolley track 11, trolley track wheels 12, a profile steel upright post 13, an upper profile 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 shaping template 3; at least one pair of shaping templates 3 is used for positioning and pouring the retaining wall 5, and one surface of the shaping templates 3, which is far away from the retaining wall 5, is provided with a reinforcing channel steel 31 and a lifting lug 32 for lifting by the movable lifting appliance 2; the number of the jacking devices 4 is plural, the fixed ends of the jacking devices are arranged on the channel steel cross beams 131 of the profile steel upright posts 13, and the movable ends of the jacking devices are used for jacking the outer ridge grooves of the reinforced channel steel 31.
In the mounting device for the ultra-long concrete retaining wall template, the movable lifting appliance 2 is matched with the jacking device 4, so that the fixation and the positioning of the shaping template 3 are realized. The distance between a pair of shaping templates 3 is controlled by adjusting the installation position of the movable lifting appliance 2 and the extending length of the movable end of the jacking device 4, so that pouring construction of blocking walls with different thicknesses is realized. In addition, set up upper portion shaped steel tie beam 14 in template platform truck 1, can connect the shaped steel stand 13 of both sides into holistic frame, can regard as the structural foundation of removal hoist 2 track installation again, can also carry out tight operation in pushing up tight device 4 to shaping template 3, disperse the pressure of pushing up tight device 4 stiff end to shaped steel stand 13, play the effect of pulling to.
Referring to fig. 2, fig. 2 is a side view (a view) of the installation device of the ultra-long concrete straight retaining wall formwork, an i-shaped steel rail 21 for moving the lifting tool 2 is installed below an upper section steel connecting beam 14 at the top of the formwork trolley 1, and a transverse channel steel cross beam 131, a vertical channel steel upright 132 and an inclined channel steel support 133 are installed near the section steel upright 13, so that the channel steel structures play a role in integral reinforcement.
Referring to fig. 3, fig. 3 is a top view (B-direction view) of the installation device of the ultra-long concrete straight retaining wall formwork, an upper section steel connecting beam 14 is arranged at the top of the formwork trolley, an i-shaped steel rail 21 of the movable lifting tool 2 is vertically installed below the upper section steel connecting beam 14, and a transverse and longitudinal channel steel frame is further arranged near the upper section steel connecting beam 14 to connect the top of the formwork trolley 1 into an integral frame platform.
Further, pattern steel plate platforms 15 are installed at the tops of the profile steel upright posts 13 of the template trolley 1, and square steel rails 16 are arranged on two sides of each pattern steel plate platform 15. At least one side of the template trolley 1 is also provided with a cat ladder 17 which is convenient for an operator to climb. The patterned steel plate platform 15 and the square steel rails 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 role of mutually tying, and can ensure that concrete pouring personnel can safely perform vibrating operation under the condition that the patterned steel plate 15 is stood and the protective rails are arranged. The patterned steel plate 15 and the square steel rail 16 provide a safe working platform for operators, and a scaffold is not required to be additionally erected, so that the working safety is improved.
In this embodiment, the movable sling 2 is a monorail crane symmetrically distributed on two sides of the retaining wall 5, and includes an i-steel track 21, an electric cat head crane and an electric hoist. Wherein, the electric hoist can also be replaced by a manual hoist. The electric cat head crane and the electric hoist (or the manual hoist) are arranged below the I-shaped steel rail 21, so that the operation of moving the lifting appliance 2 back and forth and lifting the shaping template 3 can be realized.
Referring to fig. 4, the two sides of the shaping mold plates 3 are provided with angle steel 33, and the shaping mold plates 3 at two sides of the retaining wall 5 are connected with each other by a pair of side mold plates 34 inserted into the angle steel 33. Preferably, the sideform 34 is installed by vertically inserting the sideform into the angle 33 from top to bottom, and the connection between the sideform and the angle 33 is fixed by bolts 35. In this embodiment, the left and right side templates 34 are respectively mounted at two ends of the casting retaining wall 5, so that the overall rigidity of the shaping template is further improved, and the smooth casting construction of the retaining wall 5 is ensured.
Referring to fig. 5, in the present embodiment, the length of the shaping template 3 is 2-6 m, and the width is 0.5-6 m; the side form 34 has a length of 0.5 to 6m and a width of 0.2 to 1m. The dimension 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 size (length×height) of the finalized template 3 is 6m×0.3m to 6m×1m. In this embodiment, the shaping mold plate 3 and the side mold plate 34 are aluminum mold plates, i.e. solid aluminum mold plates commonly used in civil architecture.
Further, the jacking devices 4 are a plurality of hydraulic jacking devices distributed horizontally and vertically, the horizontal spacing between every two adjacent jacking devices 4 is 800-1500 mm, and the vertical spacing is 800-1500 mm.
Specifically, the horizontal distance between the adjacent jacking 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 the adjacent jacking devices 4 are preferably 1500mm, and when the thickness of the retaining wall is 1000mm, the horizontal and vertical distances between the adjacent jacking devices 4 are preferably 1000mm.
Example 2
The embodiment provides a construction method of an ultra-long concrete straight retaining wall template mounting device based on embodiment 1, which comprises the following steps:
s1, determining longitudinal and transverse side lines and a track center line of a retaining wall 5, and installing trolley tracks 11 on two sides;
s2, simultaneously installing trolley rail wheels 12 and profile steel columns 13 on trolley rails 11 on two sides, and connecting the tops of the profile steel columns 13 by using upper profile steel connecting beams 14 to form an integral frame platform by using steel platforms on two sides; checking the verticality of the steel upright post 13 and the levelness of the upper steel connecting beam 14, so that the verticality and the levelness are controlled within 1 per mill;
s3, installing an I-shaped steel rail 21, an electric cat head crane and an electric hoist of the movable lifting appliance 2 below the upper section steel connecting beam 14, and integrally lifting the shaping template 3 by using the movable lifting appliance 2 after the control template trolley 1 runs to a position where the retaining wall 5 is to be installed;
s4, integrally assembling the finalized template 3, and installing a reinforcing channel steel 31 outside the finalized template 3; the method comprises the steps that a jacking device 4 is arranged on a channel steel beam 131 of a profile steel upright post 13, the outer edge groove of a reinforced channel steel 31 is jacked by the jacking device 4, and verticality of a shaping template 3 is adjusted to be vertical to the ground;
s5, installing angle steels 33 on the shaping templates 3 at two sides, respectively inserting side templates 34 into the angle steels 33 at two sides of the shaping 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 rails 16 on two sides of the pattern steel plate platform on the top of the template trolley 1, installing a cat ladder 17 on at least one side of the template trolley 1, and performing retaining wall concrete pouring.
Further, in the step S1, the longitudinal and transverse edges of the retaining wall and the track center line are determined by ejecting ink lines on the ground, and the step is used for accurately positioning the retaining wall template mounting device.
In step S2, the section steel is connected to the upper portion of the section steel upright post 13, so that the steel platforms at two sides of the retaining wall form an integral frame platform, and the shaping template can still maintain its own strength when receiving the impact force of concrete pouring, and resists the impact load in an integral connection manner. The verticality of the steel upright post 13 and the levelness of the upper section steel connecting beam 14 are controlled within 1 per mill by using the theodolite and the level gauge, thereby being beneficial to the fixation, alignment and verticality adjustment of the aluminum template. The verticality of the profile steel upright post 13 and the levelness of the upper profile steel connecting beam 14 are controlled, so that the levelness of the whole profile steel platform is controlled within 1 per mill, and the verticality and levelness accuracy in the aluminum template installation process are further ensured.
In the step S3, the motor of the template-carriage 1 is started, and the remote control receiver of the template-carriage 1 is controlled by the remote controller, so that the template-carriage 1 can be controlled to travel to a specified position along the carriage rail 11.
In step S4, the reinforcement channel steel 31 is integrally fixed with the finalizing template 3 in a form of inward plane and outward groove, and the outer ridge groove of the reinforcement channel steel 31 is used as the tightening stress point of the tightening device 4, so that the finalizing template can be reinforced, and the stress can be uniformly dispersed, so that the finalizing template is prevented from deforming in the tightening process of the tightening device 4, and the finalizing template is ensured to be perpendicular to the ground.
In step S5, the side templates 34 are additionally installed on two sides of the shaping template 3, so that the overall rigidity of the shaping template is further improved, and the smooth proceeding of the pouring construction of the retaining wall is ensured. According to the invention, the shaping template 3 is lifted firstly, then the shaping template 3, the reinforced channel steel 31, the angle steel 33 and the side templates 34 are assembled on site, and finally the jacking device 4 is installed according to the actual installation position of the reinforced channel steel 31 on the shaping template 3, so that the control of the installation position of the template is more accurate and reliable, and the construction quality of the later-stage retaining wall pouring is ensured.
In this embodiment, the sideform 34 is inserted into the gap between the shaping form 3 and the angle steel 33 from top to bottom by means of insertion, and is fastened by tightening the nut 35. The convenience of template dismantlement and change has been improved in above-mentioned setting: on the one hand, the template is convenient to replace even if the template is abandoned; on the other hand can be when the concrete retaining wall can not reach the drawing of patterns condition, can open the template platform truck 1 earlier, change another group of shaping template 3, continue the formwork at the back, reduce the use quantity of template platform truck 1, help saving engineering time, improve the efficiency of construction.
Further, the construction method provided in this embodiment further includes the following steps: s7, after the construction of the current retaining wall is completed, the loosening and jacking device 4 is disassembled, the shaping template 2 is lifted by using the movable lifting appliance 2, the side template 34 is pulled out, and the disassembly operation is performed; and then, according to the next construction requirement, the mounting device of the ultra-long concrete straight retaining wall template is moved forwards or backwards to a designated place to carry out the construction of the next retaining wall. The operation utilizes machinery to replace manual work to carry out turnover and transportation of materials, saves manpower and material resources, improves the efficiency of construction, effectively shortens construction cycle.
Further, in the present embodiment, the mobile spreader 2 may also play another role: after the concrete placement of the first section of retaining 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 single track crane by utilizing the movable lifting appliance 2, and the trolley track 11 is conveyed to the ground of the retaining wall to be constructed in the third section by the trolley remote controller, so that the purpose of repeatedly utilizing the setting up material of the template trolley 1 is realized, and the manual conveying cost is further saved.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the teachings of the present invention, which are intended to be included within the scope of the present invention.
Claims (4)
1. The construction method of the ultra-long concrete straight retaining wall template mounting device is characterized by comprising the following steps of: the device comprises a template trolley (1), a movable lifting appliance (2), a shaping template (3) and a jacking device (4);
the template trolley (1) comprises: the device comprises a trolley track (11), trolley track wheels (12), profile steel upright posts (13), an upper profile 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 shaping template (3) and the trolley track (11); at least one pair of shaping templates (3) is used for positioning and pouring the retaining wall (5), and one surface of the shaping templates (3) far away from the retaining wall (5) is provided with a reinforcing channel steel (31) and a lifting lug (32) for lifting the movable lifting appliance (2); the plurality of jacking devices (4) are arranged, the fixed ends of the jacking devices are arranged on channel steel beams (131) of the profile steel upright posts (13), and the movable ends of the jacking devices are used for jacking outer ridge grooves of the reinforced channel steel (31); the movable lifting appliance (2) is a single-rail crane symmetrically arranged on two sides of the retaining wall (5), and comprises an I-shaped steel track (21), an electric cat head crane and an electric hoist; the two side edges of the shaping template (3) are provided with angle steels (33), and the shaping templates (3) at the two sides of the retaining wall (5) are connected with each other through a pair of side templates (34) inserted into the angle steels (33);
the side templates (34) are installed in a mode of being inserted into the angle steel (33) from top to bottom, and the joints of the side templates (34) and the angle steel (33) are fixed by bolts (35);
the length of the shaping template (3) is 2-6 m, and the width of the shaping template is 0.5-6 m; the length of the side template (34) is 0.5-6 m, and the width is 0.2-1 m; the shaping templates (3) and the side templates (34) are solid aluminum templates;
the jacking devices (4) are a plurality of hydraulic jacking devices which are distributed horizontally and vertically, the horizontal spacing between every two adjacent jacking devices (4) is 800-1500 mm, and the vertical spacing is 800-1500 mm;
the construction method comprises the following steps:
s1, determining longitudinal and transverse side lines and a track center line of a retaining wall (5), and installing trolley tracks (11) on two sides;
s2, simultaneously installing trolley rail wheels (12) and profile steel columns (13) on trolley rails (11) on two sides, and connecting the tops of the profile steel columns (13) by using upper profile steel connecting beams (14) so that steel platforms on two sides form an integral frame platform; checking the verticality of the profile steel upright post (13) and the levelness of the upper profile steel connecting beam (14) to control the verticality and the levelness to be within 1 per mill;
s3, installing an I-shaped steel rail (21), an electric cat head crane and an electric hoist of the movable lifting tool (2) below the upper section steel connecting beam (14), and lifting the shaping template (3) by using the movable lifting tool (2) after the control template trolley (1) runs to a position where the retaining wall (5) is to be installed;
s4, integrally assembling the shaping template (3), installing a reinforcing channel steel (31) on the outer side of the shaping template (3), installing a jacking device (4) on a channel steel beam (131) of the profile steel upright post (13), and jacking an outer ridge groove of the reinforcing channel steel (31) by using the jacking device (4) to adjust the verticality of the shaping template (3) so as to be vertical to the ground;
s5, installing angle steels (33) on the side edges of the shaping templates (3) on two sides, respectively inserting side templates (34) into the angle steels (33) on two sides of the shaping templates (3), and tightening and reinforcing the side templates (34) by using bolts (35);
s6, installing a pattern steel plate platform (15) and square steel rails (16) on two sides of the pattern steel plate platform on the top of the template trolley (1), installing a crawling ladder (17) on at least one side of the template trolley (1), and pouring concrete of the retaining wall (5);
s7, after the construction of the current retaining wall (5) is completed, loosening the jacking device (4), lifting the finalized template (3) by using the movable lifting tool (2), and extracting the side template (34) for dismounting operation; then, according to the next construction requirement, the mounting device of the ultra-long concrete straight retaining wall template is moved forwards or backwards to a designated place to construct a next retaining wall (5);
after the concrete pouring of the first section retaining wall and the second section retaining wall is completed, the trolley track (11) of the first section retaining wall is lifted by the single track crane through the movable lifting appliance (2), and 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.
2. Construction method according to claim 1, characterized in that the profiled steel columns (13) of the formwork trolley (1) are provided with patterned steel plate platforms (15) on top, and square steel rails (16) are arranged on both sides of the patterned steel plate platforms (15).
3. The construction method according to claim 1, wherein in the step S1, the longitudinal and transverse edges of the retaining wall (5) and the track center line are determined by ejecting ink lines on the ground.
4. The construction method according to claim 1, wherein in the step S2, the verticality of the steel upright (13) and the levelness of the upper section steel connecting beam (14) are controlled to be within 1%.
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