CN113846693A - Construction method for pouring underground concrete comprehensive pipe gallery - Google Patents
Construction method for pouring underground concrete comprehensive pipe gallery Download PDFInfo
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- CN113846693A CN113846693A CN202111253825.0A CN202111253825A CN113846693A CN 113846693 A CN113846693 A CN 113846693A CN 202111253825 A CN202111253825 A CN 202111253825A CN 113846693 A CN113846693 A CN 113846693A
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- 238000010276 construction Methods 0.000 title claims abstract description 56
- 230000002787 reinforcement Effects 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000009415 formwork Methods 0.000 claims description 75
- 229920003023 plastic Polymers 0.000 claims description 65
- 239000004033 plastic Substances 0.000 claims description 65
- 230000000903 blocking effect Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 230000011218 segmentation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004023 plastic welding Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 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
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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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
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Abstract
The invention discloses a construction method for pouring an underground concrete comprehensive pipe gallery, and belongs to the technical field of construction processes of constructional engineering. The construction method is relatively low in construction cost and capable of guaranteeing construction quality and subsequent use requirements. This construction method builds completion piping lane steel reinforcement cage according to piping lane integral shape earlier, then pour the piping lane base as the basis with the piping lane steel reinforcement cage of bottom, erect the template in the outside of the piping lane at the basis of this piping lane base next, pour 20866more than once accomplishing the piping lane base through the secondary on the basis of the piping lane base at last, the pouring of type concrete piping lane, wherein, building at the piping lane steel reinforcement cage, 20866more than pouring of piping lane base and the piping lane base, the secondary of type concrete piping lane is pour and is all gone on along length direction segmentation order, and when erectting the template of the inside and outside of piping lane, mobilizable structure 20866is adopted to the inboard type combination formula fast-supporting template subassembly, the U type combination formula fast-assembling template subassembly that the outside adopted adjustable simultaneously fast erects respectively.
Description
Technical Field
The invention relates to a construction method, in particular to a construction method for pouring an underground concrete comprehensive pipe gallery, and belongs to the technical field of construction processes of constructional engineering.
Background
The utility tunnel is an underground city pipeline utility tunnel, namely, a tunnel space is built underground the city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the utility tunnel is an important infrastructure for guaranteeing city operation.
And utility tunnel is at the in-process of construction, roughly divide into two kinds of construction modes, one kind adopts categorised casting, pours through dividing the pipe gallery into bottom plate and n font's top template two parts, then splices on the scene, carries out water repellent to concatenation department again, but this kind of construction mode is at in-process in the in-process of in-service use, and its structural strength and integrative cast shaping's pipe gallery compare and have obvious difference to along with time lapse, the later stage has the risk of infiltration. Another method is integral construction, which adopts a box-type formwork to perform integral casting, but the box-type formwork has a large volume and mass, needs to be pulled and moved by using a large-sized driving device during installation and disassembly, and has a high price, so that the integral construction cost is increased, and therefore a plastic formwork support structure for a utility tunnel and a construction method thereof need to be found to solve the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the construction method for pouring the underground concrete comprehensive pipe gallery is relatively low in construction cost, and capable of guaranteeing construction quality and subsequent use requirements.
The technical scheme adopted for solving the technical problems is as follows: a construction method for pouring an underground concrete comprehensive pipe gallery comprises the steps of firstly building and completing a pipe gallery steel reinforcement cage according to the integral shape of a pipe gallery, then pouring a pipe gallery base by taking the pipe gallery steel reinforcement cage at the bottom as a foundation, then building templates on the inner side and the outer side of the pipe gallery on the foundation of the pipe gallery base, and finally completing the pouring of 20866A above the pipe gallery base in one step by secondary pouring on the basis of the pipe gallery base,
wherein, the construction of the reinforcement cage of the pipe gallery, the pouring of the base of the pipe gallery and the secondary pouring of the pipe gallery above the base of the pipe gallery are sequentially carried out along the length direction in a segmenting way,
and when the pouring templates on the inner side and the outer side of the pipe gallery are erected, the inner side adopts movable 20866a U-shaped combined type quick-support template component, and the outer side adopts an adjustable U-shaped combined type quick-mounting template component to be erected simultaneously and quickly respectively.
Furthermore, when the adjustable U-shaped combined type quick-mounting template component is arranged on the tube gallery base outside the tube gallery steel reinforcement cage, the adjustable U-shaped combined type quick-mounting template component is arranged by the following steps of firstly clinging the bottom end of the plastic splicing external template to the two sides of the tube gallery pouring base, then movably clamping the connecting vertical rod in the limiting seat, then arranging the transverse baffle rod on the outer side of the connecting vertical rod, then arranging the connecting transverse rod on the top of the connecting vertical rod, arranging the inclined supporting rod on the outer surface of the transverse baffle rod, and finally fixing the positioning seat on the ground through the fixing bolt to finish the installation work of the initial adjustable U-shaped combined type quick-mounting template component,
wherein the top end of the erected plastic splicing outer template is higher than the top of the reinforcement cage by at least 40 centimeters.
The preferable mode of the scheme is that a movable 20866is supported on a pipe gallery base on the inner side of a pipe gallery steel reinforcement cage, the type combined type fast supporting template component is carried out according to the following steps of firstly installing a plastic splicing inner template comprising a vertical template, a top template and a C-shaped connecting template, installing a fixing strip on the inner side of the plastic splicing inner template, then movably clamping an n-shaped clamping plate to the corresponding fixing strip and clamping and fixing the n-shaped clamping plate with the fixing bolt and the fixing strip, and finally supporting and fixing the plastic splicing inner template from two sides and the top by matching a plurality of groups of movable supporting frames with the n-shaped clamping plate to finish the primary movable 20866and the supporting work of the type combined type fast supporting template component,
20866of each subsequent pouring section after the pouring of the profile concrete pipe gallery is finished above the base of the first section of the pipe gallery, 20866of the profile combined type quick-support template component enables the plastic splicing inner template to move inwards to be separated from the concrete through each group of movable support frames and integrally moves the plastic splicing inner template along the length direction through the movable support frames to finish the mutual pouring section,
when the plastic splicing inner formwork is installed, the vertical formworks on the two sides are firstly tightly attached to the inner side wall of the pipe gallery reinforcement cage, then the fixing strips are installed on the inner sides of the corresponding vertical formworks, the vertical formworks are made to be attached to the fixing strips, then the C-shaped connecting plates are installed at the tops of the vertical formworks, and then the top formworks are installed between the C-shaped connecting plates on the two sides to complete the installation work of the plastic splicing inner formwork.
The concrete is poured into the steel reinforcement cage from the top of the steel reinforcement cage, so that the concrete and the steel reinforcement cage are adhered together, the pouring height of the concrete is at least 5 centimeters higher than the top of the steel reinforcement cage, finally the movable 208666666combined type quick-support template component and the adjustable U-shaped combined type quick-mounting template component are removed after the secondary pouring concrete is solidified, and the 20866and the pouring work of the profile concrete pipe gallery above the base is completed.
The U-shaped combined quick-assembly template component is formed by the following structure, connecting upright rods fixedly arranged on the outer walls of the two vertical template sides of the plastic splicing outer template through limiting seats are detachably connected with connecting cross rods through the fixing blocks fixedly arranged on the connecting upright rods to form a U-shaped supporting and connecting mechanism, and the two vertical template plates are fixed into a U-shaped pouring outer template through the U-shaped supporting and connecting mechanism under the matching of a tube gallery pouring base; the upper end of the inclined supporting rod is inserted into the transverse blocking rod through the U-shaped block, and the transverse blocking rod is fixedly arranged on the outer side of the corresponding vertical template through the mounting seat and the top connection of the connecting vertical rod.
Furthermore, at least two groups of mounting seats are arranged on the outer side of each vertical template along the height direction, one transverse blocking rod is arranged in each group of mounting seats respectively, the number of groups of inclined supporting rods arranged on the positioning seat is equal to the number of groups of mounting seats arranged on the outer side of the vertical template along the height direction, and one transverse blocking rod is correspondingly abutted to the upper end of one group of inclined supporting rods.
The preferable mode of the above scheme is that each group of the movable support frames comprises an adjustable movable base, a support system and an adjusting system, the support system is adjustably arranged on the adjustable movable base through the adjusting system, and the plastic splicing inner formwork is supported on the support system.
Further, the adjustable movable base comprises a base plate, a bottom plate adjusting screw rod, a I-shaped plate and a movable roller set, the movable roller set is arranged on the lower side surface of the I-shaped plate, the base plate is arranged on the top surface of the I-shaped plate through the adjusting screw rod, the adjusting screw rod can lift along the vertical direction, and the adjusting system is movably arranged on the base plate.
In a preferred mode of the above scheme, the support system comprises two groups of lateral support rods and one group of top formwork support rods, the lateral support rods and the top formwork support rods are arranged on the corresponding side surfaces of the adjusting system in a laterally and vertically telescopic manner,
the side direction bracing piece group with the cope match-plate pattern bracing piece group divide equally and do not include and support adjusting screw, connecting strip and activity pillar, the connecting strip supports through the middle part of its one side and is supporting adjusting screw and do not set up threaded one and serve, along length direction at the opposite side equipartition of connecting strip and put two piece at least activity pillars, support adjusting screw and set up threaded one end and be connected with the regulation, be provided with the cassette respectively in the inboard of erecting template and cope match-plate pattern, each activity pillar connects with the cassette top of plastics concatenation inner formword relevant position department respectively through its fixture block.
Furthermore, the adjusting system comprises a movable adjusting support frame, support upright posts and a composite adjusting gear set, the composite adjusting gear set is arranged on the movable adjusting support frame, the movable adjusting support frame is arranged on the base plate through four support upright posts,
the composite adjusting gear set comprises a rotary disc, a driving rotating shaft, four groups of adjusting gears and three groups of mounting and connecting nuts, wherein the rotary disc is mounted at one end of the driving rotating shaft, which extends out of the movable adjusting support frame, the three groups of adjusting gears are movably arranged at one end of the driving rotating shaft, which is positioned in the movable adjusting support frame, through the corresponding mounting and connecting nuts respectively, the other group of adjusting gears are arranged in the movable adjusting support frame, which is meshed with the adjusting gear positioned in the middle position of the driving rotating shaft, and the ends, provided with threads, of the supporting and adjusting screw rods of each group are respectively connected with the corresponding adjusting gears.
The invention has the beneficial effects that: the application provides a construction method builds completion piping lane steel reinforcement cage through earlier according to piping lane integral molding, then pour the piping lane base as the basis with the piping lane steel reinforcement cage of bottom, then erect the template in the piping lane outside at the basis of this piping lane base, pour once only once through the secondary on the piping lane base basis and accomplish 20866more than the piping lane base at last, pouring of type concrete piping lane, and wherein at the building of piping lane steel reinforcement cage, 20866more than pouring and the piping lane base of piping lane base, secondary pouring of type concrete piping lane is all gone on along length direction segmentation order, while when erectting the template in the piping lane outside, the inboard is adopted mobilizable 20866the type combination formula fast formwork subassembly, the outside adopts adjustable U type combination formula fast-assembling formwork subassembly to erect simultaneously respectively. In the process of erecting the templates of each subsequent section, the inner and outer pouring templates respectively finish quick erection, support and fixation through the movable 2086666U-shaped combined type quick-mounting template component which is erected during primary modeling, and the adjustable U-shaped combined type quick-mounting template component, so that the aims of obviously reducing the construction cost and ensuring the construction quality and the subsequent use requirements are fulfilled.
Drawings
Fig. 1 is a schematic three-dimensional state diagram of a formwork system involved in the construction method for pouring of the underground concrete comprehensive pipe gallery of the invention before pouring is completed;
fig. 2 is a three-dimensional structure diagram of a u-shaped combined quick-assembly template component according to the present invention;
FIG. 3 is a schematic three-dimensional structure of a 20866type combined quick supporting formwork assembly according to the present invention;
fig. 4 is an exploded view of the assembly of the single-side vertical template and the framework of the u-shaped combined quick-assembly template component according to the present invention;
FIG. 5 is a schematic three-dimensional structure of the mobile support according to the present invention;
FIG. 6 is a schematic three-dimensional structure of an adjustable mobile base according to the present invention;
FIG. 7 is a schematic three-dimensional view of a compound adjusting gear set in accordance with the present invention;
FIG. 8 is a schematic three-dimensional structure diagram of the plastic splicing inner template related to the invention;
fig. 9 is an exploded view of the connection of the plastic splicing inner template and the reinforcing support connecting structure related to the invention.
Labeled as: a reinforcement cage 1 of a pipe gallery, a base 2 of the pipe gallery, 20866a U-shaped combined quick-mounting template component 3, a U-shaped combined quick-mounting template component 4, an outer plastic splicing template 5, a connecting upright rod 6, a limiting seat 7, a transverse baffle rod 8, a connecting transverse rod 9, an inclined support rod 10, a fixing bolt 11, a positioning seat 12, a vertical template 13, a top template 14, a C-shaped connecting template 15, an inner plastic splicing template 16, a fixing strip 17, an n-shaped clamping plate 18, a fixing screw 19, a movable support frame 20, a mounting seat 21, a U-shaped block 22, a fixing block 23, an adjustable movable base 24, a support system 25, an adjusting system 26, a base plate 27, a base plate adjusting screw 28, an I-shaped plate 29, a movable roller set 30, a lateral support rod set 31, a top template support rod set 32, a support adjusting screw 33, a connecting strip clamping seat 34, a movable support column 35, a movable support column 36, a clamping block 37, a movable adjusting support frame 38, a support column 39, a U-shaped connecting rod assembly 6, a U-shaped connecting rod assembly, a U-shaped support assembly and a U-shaped support assembly, the device comprises a composite adjusting gear set 40, a turntable 41, a driving rotating shaft 42, an adjusting gear 43, a mounting connecting nut 44 and a vertical template 45.
Detailed Description
As shown in fig. 1 to 9, the construction method for pouring the underground concrete comprehensive pipe gallery provided by the invention has relatively low construction cost, and can ensure the construction quality and the subsequent use requirement. The construction method comprises the steps of firstly building and completing the pipe gallery steel reinforcement cage 1 according to the integral shape of the pipe gallery, then pouring the pipe gallery base 2 by taking the pipe gallery steel reinforcement cage 1 at the bottom as the foundation, then building templates on the inner side and the outer side of the pipe gallery in the foundation of the pipe gallery base 2, and finally completing the pouring of the pipe gallery base 2 and the concrete pipe gallery by secondary pouring once on the basis of the pipe gallery base 2,
wherein, the construction of the reinforcement cage 1 of the pipe gallery, the pouring 2 of the base of the pipe gallery and the secondary pouring of the pipe gallery base 2 over 20866of the pipe gallery are all carried out sequentially along the length direction in a subsection mode,
and when the pouring templates on the inner side and the outer side of the pipe gallery are erected, the inner side adopts movable 20866a U-shaped combined type quick-support template component 3, and the outer side adopts an adjustable U-shaped combined type quick-mounting template component 4 to be erected simultaneously and quickly respectively. The application provides a construction method builds completion piping lane steel reinforcement cage through earlier according to piping lane integral molding, then pour the piping lane base as the basis with the piping lane steel reinforcement cage of bottom, then erect the template in the piping lane outside at the basis of this piping lane base, pour once only once through the secondary on the piping lane base basis and accomplish 20866more than the piping lane base at last, pouring of type concrete piping lane, and wherein at the building of piping lane steel reinforcement cage, 20866more than pouring and the piping lane base of piping lane base, secondary pouring of type concrete piping lane is all gone on along length direction segmentation order, while when erectting the template in the piping lane outside, the inboard is adopted mobilizable 20866the type combination formula fast formwork subassembly, the outside adopts adjustable U type combination formula fast-assembling formwork subassembly to erect simultaneously respectively. In the process of erecting the templates of each subsequent section, the inner and outer pouring templates respectively finish quick erection, support and fixation through the movable 2086666U-shaped combined type quick-mounting template component which is erected during primary modeling, and the adjustable U-shaped combined type quick-mounting template component, so that the aims of obviously reducing the construction cost and ensuring the construction quality and the subsequent use requirements are fulfilled.
In the above embodiment, according to the statistical data of the prior art of concrete casting, the most of the workload is concentrated on the template erection, and in order to facilitate the operation of the template erection, the present application is performed by the following steps when the adjustable u-shaped combined type quick-mounting template component 4 is arranged on the tube gallery base 2 outside the tube gallery reinforcement cage 1, first, the bottom end of the plastic splicing external template 5 is tightly attached to the two sides of the tube gallery casting base 2, then the connecting upright rod 6 is movably clamped inside the limiting seat 7, then the transverse blocking rod 8 is arranged outside the connecting upright rod 6, then the connecting cross rod 9 is arranged on the top of the connecting upright rod 6, the inclined supporting rod 10 is arranged on the outer surface of the transverse blocking rod 8, and finally, the positioning seat 12 is fixed on the ground through the fixing bolt 11 to complete the installation work of the adjustable u-shaped combined type quick-mounting template component 4 for the first time, wherein the top end of the completed plastic splicing external template 5 is higher than the top of the pipe gallery steel reinforcement cage 1 by at least 40 centimeters. Correspondingly, the movable 20866is arranged on a pipe gallery base 2 on the inner side of a pipe gallery steel reinforcement cage 1, the combined type quick-support formwork component 3 is carried out according to the following steps of firstly installing a plastic splicing inner formwork 16 comprising a vertical formwork 13, a top formwork 14 and a C-shaped connecting formwork 15, installing a fixing strip 17 on the inner side of the plastic splicing inner formwork 16, then movably clamping an n-shaped clamping plate 18 to the corresponding fixing strip 17 and clamping and fixing the fixing strip 17 by using a fixing screw 19, finally supporting and fixing the plastic splicing inner formwork 16 from two sides and the top under the cooperation of the n-shaped clamping plate 18 through a plurality of groups of movable supporting frames 20 to finish the primary movable 20866, the combined type quick-support formwork component 3 is supported and arranged, in the specific erection process,
20866of each subsequent pouring section after the pouring of the profile concrete pipe gallery is finished by 20866of the base 2 of the first section of pipe gallery, 20866of the plastic splicing inner formwork 16 of the profile combined type quick-support formwork component 3 is moved inwards to separate from the concrete through each group of movable supporting frames 20 and is integrally moved along the length direction by the movable supporting frames 20 to finish the work of detaching and erecting the profile combined type quick-support formwork component,
when the plastic splicing inner formwork 16 is installed, the vertical formworks 13 on two sides are firstly clung to the inner side wall of the pipe gallery reinforcement cage 1, then the fixing strips 17 are installed on the inner sides of the corresponding vertical formworks 13, the vertical formworks 13 and the fixing strips 17 are clung to each other, then the C-shaped connecting plates 15 are installed at the tops of the vertical formworks 13, and then the top formworks 14 are installed between the C-shaped connecting plates 15 on two sides to complete the installation work of the plastic splicing inner formwork 16. At the moment, 20866more than 2 of the pipe gallery base is completed at one time through secondary pouring, the pouring of the type concrete pipe gallery is carried out according to the following steps, concrete is poured into the pipe gallery steel reinforcement cage 1 from the top of the pipe gallery steel reinforcement cage 1, the concrete is adhered to the pipe gallery steel reinforcement cage 1, the concrete pouring height is at least 5 centimeters higher than the top of the pipe gallery steel reinforcement cage 1, and finally the movable 20866is removed after the secondary pouring concrete is solidified.
Furthermore, in order to support the U-shaped pouring external template outside the built pipe gallery steel reinforcement cage, the U-shaped combined quick-assembly template 4 further comprises an installation seat 21, a U-shaped block 22 and a fixing block 23, the U-shaped combined quick-assembly template 4 is formed by the following structure, a connecting upright rod 6 fixedly arranged on the outer walls of the two vertical templates 45 of the plastic splicing external template 5 through a limiting seat 7 is detachably connected with a connecting cross rod 9 through the fixing block 23 fixedly arranged on the connecting upright rod 6 to form a U-shaped supporting and connecting mechanism, and the two vertical templates 45 are fixed into the U-shaped pouring external template through the U-shaped supporting and connecting mechanism under the matching of the pipe gallery pouring base; the upper end of the inclined supporting rod 10 is inserted into the transverse blocking rod 8 through the U-shaped block 22, and the transverse blocking rod 8 is fixedly arranged on the outer side of the corresponding vertical template 45 in a butting mode with the connecting vertical rod 6 through the mounting seat 21. Correspondingly, at least two sets of mounting seats 21 are arranged on the outer side of each vertical template 45 along the height direction, one transverse blocking rod 8 is arranged in each set of mounting seats 21, the number of the groups of the inclined supporting rods 10 arranged on the positioning seat 12 is equal to the number of the groups of the mounting seats 21 arranged on the outer side of the vertical template along the height direction, and the corresponding top of the upper end of one group of the inclined supporting rods 10 is connected with one transverse blocking rod 8.
Similarly, in order to conveniently erect the movable 20866and the type combined quick-support formwork component 3 in the built pipe gallery reinforcement cage, subsequent movement and quick support are carried out, each group of movable support frames 20 comprises an adjustable movable base 24, a support system 25 and an adjusting system 26, the support system 25 is adjustably arranged on the adjustable movable base 24 through the adjusting system 26, and the plastic splicing inner formwork 16 is supported on the support system 26. At this moment, the adjustable moving base 24 includes a base plate 27, a bottom plate adjusting screw 28, a I-shaped plate 29 and a moving roller set 30, the moving roller set 30 is disposed on the lower side surface of the I-shaped plate 29, the base plate 27 is disposed on the top surface of the I-shaped plate 29 through the adjusting screw 28 and can be lifted along the vertical direction, and the adjusting system 26 is movably disposed on the base plate 27. The support system 25 comprises two sets of lateral support rods 31 and one set of top formwork support rods 32, the lateral support rods 31 and the top formwork support rods 32 are telescopically arranged on the corresponding sides of the adjusting system 26 along the lateral direction and the vertical direction,
the lateral supporting rod group 31 and the top formwork supporting rod group 32 respectively comprise a supporting adjusting screw 33, a connecting strip 34 and movable pillars 35, the connecting strip 34 is supported at one end, which is not provided with threads, of the supporting adjusting screw 33 through the middle part of one side of the connecting strip 34, at least two movable pillars 35 are uniformly arranged at the other side of the connecting strip 34 along the length direction, one end, which is provided with threads, of the supporting adjusting screw 33 is connected with the adjusting system 26, clamping seats 36 are respectively arranged on the inner sides of the vertical formwork 13 and the top formwork 14, and each movable pillar 35 is respectively abutted to the clamping seat 36 at the corresponding position of the plastic splicing inner formwork 16 through the clamping block 37 of the movable pillar. The adjusting system 26 comprises a movable adjusting support frame 38, a support column 39 and a compound adjusting gear set 40, the compound adjusting gear set 40 is arranged on the movable adjusting support frame 38, the movable adjusting support frame 38 is arranged on the base plate 27 through four support columns 39,
the composite adjusting gear set 40 comprises a rotary disc 41, a driving rotating shaft 42, four groups of adjusting gears 43 and three groups of mounting and connecting nuts 44, wherein the rotary disc 41 is mounted at one end of the driving rotating shaft 42 extending out of the movable adjusting support frame 38, the three groups of adjusting gears 43 are movably arranged at one end of the driving rotating shaft 42 in the movable adjusting support frame 38 through the corresponding mounting and connecting nuts 44 respectively, the other group of adjusting gears 43 are arranged in the movable adjusting support frame 38 in a manner that the adjusting gears 43 at the middle position of the driving rotating shaft 42 are meshed with each other, and one end of each group of supporting and adjusting screw 33, which is provided with threads, is connected with the corresponding adjusting gear 43 respectively.
The reinforced support connecting structure in the description of the attached drawings comprises a structure for supporting and connecting a movable strut and a plastic splicing inner formwork, such as a fixing strip, an n-shaped clamping plate, a fixing screw rod, a clamping seat and the like, and a framework in the description of the attached drawings refers to a framework structure which is composed of a connecting vertical rod, a limiting seat, a transverse baffle rod, a connecting transverse rod, an inclined supporting rod and a fixing bolt and used for supporting the plastic splicing outer formwork.
In conclusion, the construction method for pouring the comprehensive underground pipe gallery provided by the application further has the following beneficial effects:
1. this plastic formwork support structure for utility tunnel and construction method thereof through wholly pouring the substep to the piping lane for piping lane integral casting is more convenient, and the secondary is pour simultaneously and once pours to solidify together, forms the pouring body of accomplishing, pours the construction mode of splicing again with traditional substep and compares, and the holistic structural strength of piping lane is higher, and effectively avoids the later stage condition emergence that the infiltration appears.
2. This plastic formwork support structure for utility tunnel and construction method thereof, through setting up multiunit movable support frame, when using, through many times push-and-pull carousel, make the drive pivot carry out the activity joint with first gear second gear and third gear respectively, realize that same drive pivot can be to first adjusting screw respectively, second adjusting screw and third adjusting screw drive, the realization is to the taking in of gyro wheel and to the regulation of removing of the movable support post at both sides and top, conveniently remove movable support frame to the inside of piping lane pouring base then effectively support plastics concatenation inner formword, the later stage is conveniently demolishd simultaneously, reduce the construction degree of difficulty and cost.
3. The plastic formwork supporting structure for the comprehensive pipe gallery and the construction method thereof are characterized in that the bottom ends of plastic splicing external formworks are tightly attached to two sides of a pipe gallery pouring base, then the connecting upright stanchion is movably clamped in the limiting seat, then the transverse blocking rod is inserted into the mounting seat to be propped against the outer surface of the connecting upright stanchion, then the locking disc is arranged on the outer surfaces of the two ends of the transverse baffle rod in a threaded manner, the connecting rod is inserted into the fixed block, locking nuts are arranged on the outer surfaces of the two ends of the connecting rod for fixing, at the moment, the top end of the inclined supporting rod is movably clamped on the outer surface of the transverse baffle rod through a U-shaped block, then impel the positioning seat in ground to the one side that is close to plastics concatenation exterior sheathing for the slope bracing piece offsets tightly with the crosspiece pole, fixes the positioning seat subaerial through fixing bolt this moment, avoids plastics concatenation exterior sheathing to take place outside bellied condition when concrete placement.
Example one
In order to achieve the purpose, the invention is realized by the following technical scheme: a plastic formwork supporting structure for a comprehensive pipe gallery and a construction method thereof comprise the following steps;
the pipe gallery pouring base is fixedly connected with a reinforcement cage at the top of the pipe gallery pouring base, a plastic splicing inner formwork is arranged on the inner side wall of the reinforcement cage, a plastic splicing outer formwork is arranged on the outer surface of the reinforcement cage, inclined support rods are arranged on two sides of the plastic splicing outer formwork, and a connecting rod is arranged at the top of the plastic splicing outer formwork;
the utility model discloses a movable support frame, movable support frame's bottom fixed mounting has a movable base, movable base's inside is equipped with the gyro wheel, the equal threaded connection in both sides of movable support frame has second adjusting screw, movable support frame's top threaded connection has third adjusting screw, movable support frame's bottom threaded connection has first adjusting screw, first adjusting screw rotates with the gyro wheel to be connected, movable support frame's inside rotation is connected with the drive pivot, the surface of drive pivot is equipped with first gear, second gear and third gear, the side of second gear is equipped with the fourth gear, first gear and third gear are connected with third adjusting screw and first adjusting screw transmission respectively, second gear and fourth gear are connected with two sets of second adjusting screw transmission respectively.
Preferably, the tip of second adjusting screw and third adjusting screw all rotates and is connected with the connecting strip, the outer fixed surface of connecting strip is connected with movable support column, movable support column and plastics concatenation inner formword activity joint, the movable base contacts with the upper surface that the base was pour to the piping lane.
Preferably, the one end fixedly connected with carousel of drive pivot, the other end surface of drive pivot fixed welding in proper order has first hexagon nut, second hexagon nut and third hexagon nut, first gear, second gear, third gear and fourth gear all rotate the inside of connecting at the movable support frame, hexagonal assembly groove has all been seted up to the inside of first gear, second gear and third gear, the inside of second hexagon nut activity joint at the second gear, first gear and third gear set up both sides around the second gear respectively, the second gear meshes with the fourth gear mutually.
Preferably, plastics concatenation inner formword contains roof and curb plate, be equipped with the C shape connecting plate between roof and the curb plate, the equal fixedly connected with fixed strip of inner wall side of roof and curb plate, the fixed surface of fixed strip installs coupling assembling.
Preferably, the connecting assembly comprises an N-shaped clamping plate, a fixing seat, a fixing screw and a clamping seat, the N-shaped clamping plate is movably clamped on the outer surface of the fixing strip, the fixing seat and the clamping seat are both fixedly connected on the outer surface of the N-shaped clamping plate, and the fixing screw is in threaded connection with the inside of the fixing seat.
Preferably, the end of the movable supporting column is fixedly connected with a clamping block, the clamping block is movably inserted into the clamping seat, the end of the fixing screw abuts against the side face of the fixing strip, the top of the roller is fixedly connected with a worker-shaped plate, the bottom end of the first adjusting screw is rotatably connected to the upper surface of the worker-shaped plate, the worker-shaped plate and the roller are both slidably connected to the inner bottom of the movable base, and a supporting upright column is fixedly connected between the movable base and the movable supporting frame.
Preferably, the surface activity joint of plastics concatenation exterior sheathing has the connection pole setting, connecting rod fixed mounting is on the top of connecting the pole setting, the surface of connecting the pole setting is equipped with the crosspiece pole, the top activity joint of slope support pole is at the surface of crosspiece pole, the bottom fixed mounting of slope support pole is subaerial.
Preferably, the outer surface of the plastic splicing outer template is fixedly welded with a limiting seat, the connecting vertical rod is movably clamped inside the limiting seat, the top end of the connecting vertical rod is fixedly connected with a fixing block, the connecting rod is movably inserted inside the fixing block, and the outer surfaces of the two ends of the connecting rod are both in threaded connection with locking nuts.
Preferably, the outer fixed surface welding of plastics concatenation exterior sheathing has the mount pad, the activity of crosspiece pole is pegged graft in the inside of mount pad, the middle part of crosspiece pole offsets with the surface of being connected the pole setting, the equal threaded connection in both ends surface of crosspiece pole has the locking dish, the top fixedly connected with U-shaped piece of inclined support pole, there is U-shaped piece activity joint at the surface of crosspiece pole, the bottom activity hinge of inclined support pole has the positioning seat, the inside activity of positioning seat is pegged graft and is had fixed bolt.
Preferably, the construction method of the plastic formwork support structure for the comprehensive pipe gallery comprises the following steps;
s1, during construction, firstly, building a finished pipe gallery steel reinforcement cage according to the integral shape of a pipe gallery, then pouring at the bottom of the steel reinforcement cage to form a pipe gallery pouring base, reserving an N-shaped steel reinforcement cage at the top of the pipe gallery pouring base, and then waiting for the pipe gallery pouring base to be solidified and then preparing for secondary pouring;
s2, secondly, installing the plastic splicing outer template, namely, firstly, tightly attaching the bottom end of the plastic splicing outer template to two sides of a pipe gallery pouring base, then movably clamping a connecting vertical rod in the limiting seat, then installing a transverse blocking rod outside the connecting vertical rod, then installing a connecting rod at the top of the connecting vertical rod, installing an inclined supporting rod on the outer surface of the transverse blocking rod, and finally fixing a positioning seat on the ground through a fixing bolt;
s3, mounting the plastic splicing inner formwork, namely, tightly attaching the plastic splicing inner formwork to the inner side wall of the steel reinforcement cage, sequentially mounting the side plates on two sides to enable the fixing strips on the side surfaces of the side plates to be tightly attached to each other, mounting a C-shaped connecting plate at the top of each side plate, mounting a top plate between the C-shaped connecting plates on the two sides, movably clamping and fixing the N-shaped clamping plates on the outer surfaces of the two groups of close fixing strips through fixing screws, and supporting and fixing the plastic splicing inner formwork from two sides and the top through a plurality of groups of movable supporting frames;
s4, secondary pouring is conducted, concrete is poured into the reinforcement cage from the top of the reinforcement cage, the concrete and the reinforcement cage are adhered together, meanwhile, it is required to be guaranteed that the height of the plastic splicing outer formwork is higher than the top common part of the reinforcement cage, finally, the concrete pouring height is higher than the top common part of the reinforcement cage, then secondary pouring solidification is waited, and dismantling of the inner formwork and the outer formwork is conducted after solidification.
Claims (10)
1. The utility model provides a construction method for utility tunnel of underground concrete pours which characterized in that: the construction method comprises the steps of firstly building and completing the pipe gallery steel reinforcement cage (1) according to the integral shape of the pipe gallery, then pouring the pipe gallery base (2) by taking the pipe gallery steel reinforcement cage (1) at the bottom as the foundation, then erecting the inside and outside pouring templates of the pipe gallery on the foundation of the pipe gallery base (2), and finally completing the pouring of 20866of the pipe gallery base (2) and the pouring of the concrete pipe gallery at one time through secondary pouring on the basis of the pipe gallery base (2),
wherein, the construction of the reinforcement cage (1) of the pipe gallery, the pouring of the base of the pipe gallery (2) and the secondary pouring of the pipe gallery base (2) are all carried out sequentially along the length direction by segments,
and when the pouring templates on the inner side and the outer side of the pipe gallery are erected, the inner side adopts movable 20866a U-shaped combined type quick-support template component (3), and the outer side adopts an adjustable U-shaped combined type quick-mounting template component (4) to be erected simultaneously and quickly.
2. The construction method for underground concrete utility tunnel pouring according to claim 1, characterized in that: when the adjustable U-shaped combined type quick-mounting template component (4) is arranged on the tube gallery base (2) on the outer side of the tube gallery steel reinforcement cage (1), firstly, the bottom end of a plastic splicing outer template (5) is tightly attached to the two sides of the tube gallery pouring base (2), then, a connecting upright rod (6) is movably clamped in a limiting seat (7), then, a transverse blocking rod (8) is arranged on the outer side of the connecting upright rod (6), then, a connecting cross rod (9) is arranged on the top of the connecting upright rod (6), an inclined supporting rod (10) is arranged on the outer surface of the transverse blocking rod (8), and finally, a positioning seat (12) is fixed through a fixing bolt (11) to finish the primary installation work of the adjustable U-shaped combined type quick-mounting template component (4) on the ground,
wherein the top end of the supported plastic splicing external template (5) is higher than the top of the pipe gallery steel reinforcement cage (1) by at least 40 centimeters.
3. The construction method for underground concrete utility tunnel pouring according to claim 2, characterized in that: a mobile 20866is arranged on a pipe gallery base (2) on the inner side of a pipe gallery steel reinforcement cage (1), a combined type fast supporting template component (3) is carried out according to the following steps of firstly installing a plastic splicing inner template (16) comprising a vertical template (13), a top template (14) and a C-shaped connecting template (15), installing a fixing strip (17) on the inner side of the plastic splicing inner template (16), then movably clamping an n-shaped clamping plate (18) to the corresponding fixing strip (17), clamping and fixing the n-shaped clamping plate (18) by using a fixing screw (19) and the fixing strip (17), and finally supporting and fixing the plastic splicing inner template (16) from two sides and the top by matching a plurality of groups of movable supporting frames (20) through the n-shaped clamping plates (18) to finish the primary mobile 20866, supporting and arranging work of the combined type fast supporting template component (3),
20866of each subsequent pouring section after the pouring of the profile concrete pipe gallery is finished above a base (2) of a first section of pipe gallery, 20866of a plastic splicing inner formwork (16) of a profile combined type quick-support formwork component (3) is moved inwards through each group of movable supporting frames (20) to be separated from the concrete and the plastic splicing inner formwork (16) is integrally moved along the length direction through the movable supporting frames (20) to finish the disassembling and erecting work of the 208666666666666666666666666666666666666666666of the mutually poured sections,
when the plastic splicing inner formwork (16) is installed, the vertical formworks (13) on two sides are firstly clung to the inner side wall of the pipe gallery reinforcement cage (1), then the fixing strips (17) are installed on the inner sides of the corresponding vertical formworks (13) and the fixing strips (17) are clung to each other, then the C-shaped connecting plates (15) are installed at the tops of the vertical formworks (13), and then the top formwork (14) is installed between the C-shaped connecting plates (15) on two sides to complete the installation work of the plastic splicing inner formwork (16).
4. A construction method for underground concrete utility tunnel casting according to claim 1, 2 or 3, characterized in that: 20866can be completed by secondary pouring once on a pipe gallery base (2), the pouring of the type concrete pipe gallery is carried out according to the following steps, concrete is poured into the pipe gallery steel reinforcement cage (1) from the top of the pipe gallery steel reinforcement cage (1) to be adhered to the pipe gallery steel reinforcement cage (1), finally, the concrete pouring height is at least 5 centimeters higher than the top of the pipe gallery steel reinforcement cage (1), and finally, the movable 2086666666666can be removed after the secondary pouring concrete is solidified.
5. The construction method for underground concrete utility tunnel pouring according to claim 4, characterized in that: the U-shaped combined quick-mounting template component (4) further comprises a mounting seat (21), a U-shaped block (22) and a fixing block (23), the U-shaped combined quick-mounting template component (4) is formed by the following structure, a connecting upright rod (6) fixedly arranged on the outer walls of the two vertical upright templates (45) of the plastic splicing outer template (5) through a limiting seat (7) is detachably connected with a connecting cross rod (9) through the fixing block (23) fixedly arranged on the connecting upright rod (6) to form a U-shaped supporting and connecting mechanism, and the two vertical upright templates (45) are fixed into a U-shaped pouring outer template through the U-shaped supporting and connecting mechanism under the matching of a pipe gallery pouring base; the upper end of the inclined supporting rod (10) is inserted into the transverse blocking rod (8) through a U-shaped block (22), and the transverse blocking rod (8) is fixedly arranged on the outer side of the corresponding vertical template (45) through the top connection of the mounting seat (21) and the connecting vertical rod (6).
6. The construction method for underground concrete utility tunnel pouring according to claim 5, characterized in that: at least two sets of mount pads (21) are arranged along the direction of height in the outside of every vertical template (45), one crosspiece pole (8) has been arranged respectively in every group mount pad (21), the group number of arranging inclined support pole (10) on positioning seat (12) is equivalent with the group number of arranging mount pad (21) outside vertical template along the direction of height, a crosspiece pole (8) is connected in the top that the upper end of a set of inclined support pole (10) corresponds.
7. The construction method for underground concrete utility tunnel pouring according to claim 4, characterized in that: each group of the movable support frames (20) comprises an adjustable movable base (24), a support system (25) and an adjusting system (26), the support system (25) is adjustably arranged on the adjustable movable base (24) through the adjusting system (26), and the plastic splicing inner formwork (16) is supported on the support system (26).
8. The construction method for underground concrete utility tunnel pouring according to claim 7, characterized in that: adjustable removal base (24) include bed plate (27), bottom plate adjusting screw (28), worker shape board (29) and remove roller set (30), removal roller set (30) arrange on the downside of worker shape board (29), bed plate (27) pass through adjusting screw (28) along arranging on the top surface of worker shape board (29) of vertical direction liftable, regulation system (26) movable arrange bed plate (27) on.
9. The construction method for underground concrete utility tunnel pouring according to claim 8, characterized in that: the supporting system (25) comprises two groups of lateral supporting rods (31) and one group of top formwork supporting rods (32), the lateral supporting rods (31) and the top formwork supporting rods (32) are arranged on the corresponding side surfaces of the adjusting system (26) in a laterally and vertically telescopic manner,
the side direction bracing piece group (31) and the cope match-plate pattern bracing piece group (32) equally divide and do not include and support adjusting screw (33), connecting strip (34) and activity pillar (35), connecting strip (34) support through the middle part of its one side support adjusting screw (33) do not set up threaded one end on, along length direction at the opposite side equipartition of connecting strip (34) put at least two activity pillars (35), support adjusting screw (33) and set up threaded one end and be connected with adjustment system (26), be provided with cassette (36) respectively in the inboard of erecting template (13) and cope match-plate pattern (14), each activity pillar (35) respectively with the cassette (36) top joint of plastics concatenation inner formword (16) relevant position department through its cassette (37).
10. The construction method for underground concrete utility tunnel pouring according to claim 9, characterized in that: the adjusting system (26) comprises a movable adjusting support frame (38), support upright posts (39) and a compound adjusting gear set (40), the compound adjusting gear set (40) is arranged on the movable adjusting support frame (38), the movable adjusting support frame (38) is arranged on the base plate (27) through four support upright posts (39),
the composite adjusting gear set (40) comprises a turntable (41), a driving rotating shaft (42), four groups of adjusting gears (43) and three groups of mounting and connecting nuts (44), wherein the turntable (41) is mounted at one end of the driving rotating shaft (42) extending out of the movable adjusting support frame (38), the three groups of adjusting gears (43) are movably arranged at one end of the driving rotating shaft (42) in the movable adjusting support frame (38) through the corresponding mounting and connecting nuts (44), the other group of adjusting gears (43) and the driving rotating shaft (42) are meshed with the adjusting gear (43) in the middle position and are arranged in the movable adjusting support frame (38), and the end of each group of supporting and adjusting screw rods (33) provided with threads is connected with the corresponding adjusting gear (43).
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