CN103556817B - Side wall concrete construction method employing side wall trolley - Google Patents
Side wall concrete construction method employing side wall trolley Download PDFInfo
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- CN103556817B CN103556817B CN201310564357.8A CN201310564357A CN103556817B CN 103556817 B CN103556817 B CN 103556817B CN 201310564357 A CN201310564357 A CN 201310564357A CN 103556817 B CN103556817 B CN 103556817B
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Abstract
The invention discloses a side wall concrete construction method employing a side wall trolley. The employed side wall trolley is formed by a side wall trolley unit or longitudinal splicing of a plurality of side wall trolley units, the side wall trolley unit comprises a trolley moving and fixing system and a steel moulding plate connecting and positioning system; the construction steps are the followings in sequence: paving a walking track, precoating a release agent, enabling the trolley to move and take place, adjusting a screw jack, repeatedly adjusting an extension-type cantilever beam and a hydraulic jack, adjusting a bearing jack, mounting a lateral screw rod jack, mounting a foot margin inhaul cable, mounting an anti-floating screw rod jack, mounting an opposite-support pipe fitting, mounting a closing-up net and a water stop steel plate, casting concrete, stripping and the like, that building a steel pipe support and a spliced template is not required can be achieved, after the adoption of the invention, the mounting and the demounting speeds are fast, three-direction accurate adjustment can be achieved, the construction is stable and reliable, the concrete surface flatness is good, and joint deviation is small.
Description
Technical field
The present invention relates to a kind of side wall concrete construction method, particularly relate to a kind of side wall concrete construction method applying side wall trolley.
Background technology
At present, side wall concrete is constructed, and generally adopts the construction method of raft support method+wooden form, and this technique needs to build in foundation ditch in foundation ditch with wide steel pipe support, and then the assembled wooden form of block-by-block.Therefore, in practice of construction, there is following problem:
1, steel pipe support overlap joint engineering quantity is large, and overlap joint speed is slow;
2, when wooden form is installed, operating space is narrow, and operating environment is poor, and template assembly speed is slow;
3, template, steel pipe support overlap joint difficult quality guarantee, poor reliability, during concreting, easily causes side wall to be out of shape or concrete spillage;
4, wooden form is often assembled, concrete surface poor flatness, easily there is seam faulting of slab ends;
5, the turnover such as wooden form and support thereof the dismounting time is long, and turnaround speed is slow, and use amount is large;
6, higher to workman's technical requirements, labor strength is large, and demand number of workers is many, and efficiency is low, and cost of labor is high.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of side wall concrete construction method applying side wall trolley.Need not build steel pipe support and assembled formwork, install, dismantle speed soon, can realize again three to accurate adjustment, construction stability is reliable, and concrete surface planeness is good, and seam faulting of slab ends is little.
In order to solve the problems of the technologies described above, embodiments provide a kind of side wall concrete construction method applying side wall trolley, wherein, described side wall trolley is the longitudinal spliced of a side wall trolley unit or some side wall trolley unit, and described side wall trolley unit comprises chassis and to move and fixed system, steel form connect navigation system.
Described chassis moves and fixed system, comprise the base being provided with steel post, the removable beam frame assembly be connected on described steel post, with the running gear comprising walking track be installed on described base, in the middle part of described beam frame assembly, longitudinal both sides were provided with beam end, described mistake below beam end is provided with some jackscrew for described beam frame assembly vertical displacement, described jackscrew is fixed on the steel post of described base, is provided with some supporting jack bottom described beam frame assembly.
Described steel form connects navigation system, comprise by the steel form of multiple steel plate splicing be fixed on template framework, the telescopic boom beam of described beam frame assembly upper side to construction side wall side is fixedly mounted on some, the upper longitudinal of described template framework and the free end pin joint of described telescopic boom beam, be provided with some hydraulic jack between the waist longeron of described template framework and described beam frame assembly, the side direction screw mandrel being provided with some groups of longitudinal arrangements between described steel form and described beam frame assembly is very heavy.
Construction sequence comprises as follows:
(1) by described walking track laying on the ground;
(2) by pre-for described steel form coating release agent;
(3) place counterweight, steel form lower edge is alignd with position line;
(5) described telescopic boom beam and described hydraulic jack is repeatedly regulated to carry out the location of steel form;
(6) regulate described supporting jack, side wall trolley is fixed;
(7) described side direction screw mandrel is installed very heavy, steel form is fixed;
(8) some lower margin drag-lines are installed, described lower margin drag-line is connected between pre-buried earth anchor and side wall trolley, and with the tension of oblique construction side wall side;
(9) install some anti-floating screw mandrels very heavy, described very heavy one end of anti-floating screw mandrel is butted on described steel form top end, and the other end peaks at bottom foundation ditch brace summer;
(10) closing in net and steel plate for sealing water are arranged on described steel form both sides;
(11) concreting, after concrete setting, form removal and next circulation construction.
Do the further improvement of technique scheme, apply two row side wall trolley for the construction of both sides side wall concrete simultaneously, by some, stay tube part is connected between described two row side wall trolley, further comprising the steps between step (9) and step (10):
Install some to stay tube part, by described, stay tube part is connected between described two row side wall trolley arranged side by side.
Do the further improvement of technique scheme, described beam frame assembly forms upper beam frame assembly and lower beam frame assembly by stacked system, is bolted to connection between described upper and lower beam frame assembly.
As the further improvement of technique scheme, described telescopic boom beam is built-in with hydraulic jack, and is placed on slideable bearing.
Do the further improvement of technique scheme, described running gear comprises and is arranged on movable pulley below described steel post and for providing the drive unit of walking power, described walking track and described movable pulley match.
Implement a kind of side wall concrete construction method applying side wall trolley of the present invention, compared with prior art, there is following beneficial effect:
(1) steel form of the present invention is by the telescopic moving of hydraulic jack in the middle part of beam frame assembly top extension type semi girder and beam frame assembly, can control the adjustment of lateral attitude during steel form location, realize automatic patrix or the demoulding; The cantilevered of steel form connects design simultaneously, effectively improves and conducts oneself with dignity excessive due to steel form and cause equipment connection parts to bear serious problem, improve stability and the engineering construction speed of system architecture;
(2) beam frame assembly of the present invention passed through the jackscrew below beam end, made the vertically movement of beam frame assembly, thus controlled the adjustment of vertical position when steel form is located;
(3) the present invention is by the running gear on base, drives beam frame assembly to vertically move, thus controls the adjustment of lengthwise position when steel form is located;
(4) the present invention adopts both sides side wall form of construction work arranged side by side, by making stay tube part left and right sides bench-table car be connected, realizing constructing to the cross binding of side wall trolley and both sides side wall simultaneously, further increasing stability and the efficiency of construction of trolley structure;
(5) the present invention is by the effective combination to stay tube part, supporting jack, the parts such as side direction screw mandrel is very heavy, lower margin drag-line, anti-floating screw mandrel are very heavy, realizes bearing and transmit load, effectively improves resistance to overturning and the construction quality of executing Technical Service Worklog System;
(6) the present invention adopts the unit combination mode in vertical height direction and longitudinal length direction, to be applicable to the side wall construction of multiple differing heights, different length large format;
(7) the present invention is using chassis as the support of steel form, in the location adjustment process of steel form, need not move chassis, easy and simple to handle, good stability;
(8) the present invention's track chassis replaces steel pipe support jacking, block-by-block assembled formwork is replaced with large-scale steel form, steel pipe support and assembled formwork need not be built, greatly simplifie working procedure, improve installation rate and the reliability of template, improve efficiency of construction, decrease the labour intensity of workman simultaneously, greatly to save artificial, timber and steel pipe support, reduce construction cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing of embodiment below.
Fig. 1 is the transversary schematic diagram of an embodiment of side wall trolley of the present invention;
Fig. 2 is the transversary schematic diagram of a kind of another embodiment of side wall trolley of the present invention, wherein increases the height of beam frame assembly, and beam frame assembly comprises upper beam frame assembly and lower beam frame assembly;
Fig. 3 is the vertical structure schematic diagram in Fig. 2 embodiment;
Structural representation when Fig. 4 is the construction of side wall trolley of the present invention.
Detailed description of the invention
The specific embodiment of the present invention is further described below in conjunction with accompanying drawing.
Simultaneously see shown in Fig. 1 ~ 4, a kind of embodiment applying the side wall concrete construction method of side wall trolley, wherein, the side wall trolley applied is the longitudinal spliced of a side wall trolley unit or some side wall trolley unit, and above-mentioned side wall trolley unit comprises chassis and to move and fixed system 1, steel form connect navigation system 2.In an embodiment, side wall trolley design length is 12m, for meeting certain execution conditions, may be split into two 6m side wall trolley and using.The side wall trolley embodiment being all 12m with spliced length is below described.
Chassis moves and fixed system 1, comprises the base 11 being provided with steel post 14, the removable beam frame assembly 12 be connected on described steel post 14, and is installed on the running gear 13 on base 11.Concrete, above-mentioned running gear 13 comprise be arranged on movable pulley 131 below steel post 15, the walking track 132 that matches with movable pulley 131 and for providing the drive unit 133 of power of walking, by this running gear 13, beam frame assembly 12 can be driven reposefully to vertically move, thus control the adjustment of lengthwise position when steel form 22 is located, rail mounted design simultaneously, ensure that stability during longitudinally walking, and its supporting capacity is high.In the middle part of above-mentioned beam frame assembly 12, longitudinal both sides were provided with beam end 15, cross below beam end 15 and be provided with some jackscrew 4 for beam frame assembly 12 vertical displacement, jackscrew 4 is fixed on the steel post 14 of described base 11, and in an embodiment, jackscrew 4 is preferably 6.When chassis move in place after, make beam frame assembly 12 vertically movement by jackscrew 4, control the adjustment of steel form 22 vertical position when locating; Subsequently, also by some supporting jack 6 be arranged on bottom beam frame assembly 12, beam frame assembly 12 is supported in orbit and on ground, to reduce the bearing capacity of running gear 13, increase bearing capacity and the stability of table system, realize chassis and steadily fix in original place, in an embodiment, supporting jack 6 is preferably one-sided 6, bilateral totally 12.
In the embodiment shown in Figure 2, above-mentioned beam frame assembly 12 forms upper beam frame assembly 121 and lower beam frame assembly 122 by stacked system, is bolted to connection between upper and lower beam frame assembly 121,122.Operation platform 16 has been built at upper beam assembly top, so that construction.In an embodiment, owing to considering that negative one deck is different from the height of negative two layers of side wall, steel form height is designed to 3.5m+1.7m, adopts 3.5m+1.7m steel formwork trolley, namely comprise the chassis of upper beam frame assembly 121 and lower beam frame assembly 122 when negative two layers of side wall are built; 3.5m trolley formwork is adopted, namely not containing the chassis of upper beam frame assembly 121 when negative one deck side wall is built.Like this can according to side wall Construction Condition, adjustment chassis height, meets the construction needs of differing heights, improves the compliance of chassis.In addition, operation platform 16 has been built at above-mentioned beam frame assembly 12 top, so that construction.
Steel form connect navigation system 2, comprise by the steel form 22 of multiple steel plate splicing be fixed on template framework 21, and some be fixedly mounted on described beam frame assembly 12 upper side to construction side wall side telescopic boom beam 3.In an embodiment, telescopic boom beam 3 is preferably 5.Concrete, above-mentioned telescopic boom beam 3 is built-in with hydraulic jack 31, and is placed on slideable bearing 32, can make steel form stably translational; Above-mentioned steel form 22 is being provided with longitudinal direction and vertical strengthening ribs towards the one side of chassis, can increase the structural strength of steel form, makes side wall more straight, improves construction quality.The upper longitudinal of template framework 21 and the free end pin joint of telescopic boom beam 3; Be provided with some hydraulic jack 5 between the waist longeron of template framework 21 and beam frame assembly 12, in an embodiment, hydraulic jack 5 is preferably 5.Like this, steel form 22, by the telescopic moving of extension type semi girder 3 and hydraulic jack 5, can control the adjustment of lateral attitude when steel form 22 is located, realize automatic patrix or the demoulding; The cantilevered of steel form connects design simultaneously, effectively improves and conducts oneself with dignity excessive due to steel form and cause equipment connection parts to bear serious problem, improve stability and the engineering construction speed of system architecture.In addition, also be connected between steel form 22 and beam frame assembly 12 by the side direction screw mandrel very heavy 7 of some groups of longitudinal arrangements, thus ensure that fixing between steel form 22 and beam frame assembly 12, in an embodiment, a file side direction screw mandrel 7 is respectively established in top at least between steel form 22 and beam frame assembly 12, middle part, bottom, except being positioned at the same file of telescopic boom beam 3 and hydraulic jack 5, the very heavy every file of side direction screw mandrel is at least provided with 5.
Apply above-mentioned side wall trolley according to following steps to construct to side wall:
Step 1: walking track 132 is laid on the ground, according to the predeterminable range of walking track 132 with construction side wall, clean place, while lay walking track, trolley running track 132 adopts 38kg/m rail track, rail bottom rail paving two 16mm i iron side by side.I iron is spaced apart 50cm, and i iron and base plate embedded bar carry out freezing being connected, and prevents concreting process from occurring slippage.Gauge error is not more than 5mm, and railway line must be parallel with side wall sideline, corrects after track laying with measuring apparatus.By placed on it for side wall trolley 1, and the place that reserved equipment is assembled.
Step 2: the pre-coating release agent of steel form 22, steel form 22 surface adhesion during to reduce the demoulding.
Step 3: place counterweight, side wall trolley to be moved and in place; Specifically, because steel form deadweight is larger, side wall trolley both lateral sides is made to cause side wall trolley run-off the straight by force unbalance, so need to place counterweight at the opposite side of the relative steel form of side wall trolley, make that side wall trolley is stressed is in equilibrium state, thus be conducive to side wall trolley and move with in place.
Step 4: regulate above-mentioned jackscrew 4, operates corresponding reversal valve handle and jackscrew 4 piston rod is stretched out, and by the working depth of chassis jacking to design, steel form lower edge is alignd with position line.
Step 5: repeatedly regulate above-mentioned telescopic boom beam 3 and hydraulic jack 5, carry out the location of steel form 22.In an embodiment, the location of steel form 22 comprises four control lines, control line 1: inside making steel form lower edge, align with position line in sideline; Control line 2,3: utilize and hanging correction steel form both sides verticality of hanging down; Control line 4: utilize bracing wire method to correct steel form upper limb glacing flatness.Meanwhile, steel form upper rim is set up side wall concrete protective layer thickness control lever.
Step 6: regulate above-mentioned supporting jack 6, side wall trolley is fixed, and ensure that supporting jack 6 must push up jail completely, do not allow loosening.
Step 7: install above-mentioned side direction screw mandrel very heavy 7, steel form 22 is fixed.
Step 8: install some lower margin drag-lines 8, lower margin drag-line 8 is connected between pre-buried earth anchor and side wall trolley, and with the tension of oblique construction side wall side.When concreting, mainly bear and transmit the load of horizontal direction, prevent side wall trolley lateral sliding, make side wall trolley more firm.Need during design to analyze from the stress condition of first building base plate, to guarantee that lower margin drag-line can bear construction load, thus determine its quantity.
Step 9: install some anti-floating screw mandrels very heavy 9, very heavy for anti-floating screw mandrel 9 one end are butted on steel form 22 top end, the other end peaks at bottom foundation ditch brace summer 91, mainly bears and transmit the vertical load of steel form, during to prevent concreting, steel form upwards floats.In an embodiment, anti-floating screw mandrel very heavy 9 at least needs to arrange 4.
Step 10: closing in net and steel plate for sealing water are arranged on steel form 22 both sides.
Step 11: concreting, after concrete setting, form removal and next circulation construction.
Further, apply two row side wall trolley for the construction of both sides side wall concrete simultaneously, by some, stay tube part 10 is connected between above-mentioned two row side wall trolley, further comprising the steps between step (9) and step (10):
Install some to stay tube part 10, by described, stay tube part 10 is connected between described two row side wall trolley arranged side by side.By making stay tube part 10 left and right sides bench-table car be connected, realizing constructing to the cross binding of side wall trolley and both sides side wall simultaneously, further increasing stability and the efficiency of construction of trolley structure.In an embodiment, be 12m according to side wall trolley length, arrange 3 to stay tube part.
The Efficiency Comparison adopting the side wall concrete construction method of the present invention's application side wall trolley and tradition to build the construction method of steel pipe support and assembled formwork is as follows:
(1) construction material-saving
Engineering example: certain station side wall is about 1520m, about 7800m2; Section of coming in and going out line side wall 1080m is about 5000m2, adds up to about 2600m, 12800m2.
Traditional construction: have enough to meet the need 4 calculating by wooden form, then need wooden form to be about 3200m2, after Practical Completion, is building waste entirely, also needs to buy the turnovers such as (leaving out) a large amount of steel pipe supports simultaneously;
The present invention constructs: this engineering only needs a set of steel form side wall trolley, need not the turnover such as any wooden form, steel pipe support, after Practical Completion, through maintenance, can continue to drop into other engineering and use.
(2) efficiency of construction
Often complete 10 meters of each operation required times of bilateral side wall:
Present invention process is on the basis of traditional handicraft operation being carried out simplifying, and will often complete 10 meters of bilateral side wall required times 249 hours that shorten to present invention process for 617 hours of traditional handicraft, efficiency of construction improves 148%.
As can be seen here, implement a kind of side wall concrete construction method applying side wall trolley of the present invention, replace steel pipe support jacking with track chassis, replace block-by-block assembled formwork with large-scale steel form, steel pipe support and assembled formwork need not be built, greatly simplifie working procedure, improve installation rate and the reliability of template, improve efficiency of construction, decrease the labour intensity of workman simultaneously, greatly to save artificial, timber and steel pipe support, reduce construction cost.
Steel form of the present invention, by the telescopic moving of hydraulic jack in the middle part of beam frame assembly top extension type semi girder and beam frame assembly, can control the adjustment of lateral attitude during steel form location, realize automatic patrix or the demoulding; Beam frame assembly passed through the jackscrew below beam end, made the vertically movement of beam frame assembly, thus controlled the adjustment of vertical position when steel form is located; By the running gear on base, drive beam frame assembly to vertically move, thus control the adjustment of lengthwise position when steel form is located; Therefore, the present invention can realize three effectively to accurate location, regulates the speed fast.
The present invention adopts both sides side wall form of construction work arranged side by side, by being connected by left and right sides bench-table car to stay tube part, realizing constructing to the cross binding of side wall trolley and both sides side wall simultaneously, further increasing stability and the efficiency of construction of side wall trolley structure; Simultaneously by effective combination of parts such as supporting jack, side direction screw mandrel is very heavy, lower margin drag-line, anti-floating screw mandrel are very heavy, realize bearing and transmit load, effectively improve stability and the construction quality of chassis entirety.
The present invention adopts the unit combination mode in vertical height direction and longitudinal length direction, to be applicable to the side wall construction of multiple differing heights, different length large format; Its concrete surface planeness is high, and seam faulting of slab ends is little, runs mould phenomenon without spillage.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (5)
1. apply the side wall concrete construction method of side wall trolley for one kind, it is characterized in that, described side wall trolley is the longitudinal spliced of a side wall trolley unit or some side wall trolley unit, and described side wall trolley unit comprises chassis and to move and fixed system, steel form connect navigation system;
Described chassis moves and fixed system, comprise the base being provided with steel post, the removable beam frame assembly be connected on described steel post, with the running gear comprising walking track be installed on described base, in the middle part of described beam frame assembly, longitudinal both sides were provided with beam end, described mistake below beam end is provided with some jackscrew for described beam frame assembly vertical displacement, described jackscrew is fixed on the steel post of described base, is provided with some supporting jack bottom described beam frame assembly;
Described steel form connects navigation system, comprise by the steel form of multiple steel plate splicing be fixed on template framework, the telescopic boom beam of described beam frame assembly upper side to construction side wall side is fixedly mounted on some, the upper longitudinal of described template framework and the free end pin joint of described telescopic boom beam, be provided with some hydraulic jack between the waist longeron of described template framework and described beam frame assembly, the side direction screw mandrel being provided with some groups of longitudinal arrangements between described steel form and described beam frame assembly is very heavy;
Construction sequence comprises as follows:
(1) by described walking track laying on the ground;
(2) by pre-for described steel form coating release agent;
(3) place counterweight, side wall trolley to be moved and in place;
(4) regulate described jackscrew, steel form lower edge is alignd with position line;
(5) described telescopic boom beam and described hydraulic jack is repeatedly regulated to carry out the location of steel form;
(6) regulate described supporting jack, side wall trolley is fixed;
(7) described side direction screw mandrel is installed very heavy, steel form is fixed;
(8) some lower margin drag-lines are installed, described lower margin drag-line is connected between pre-buried earth anchor and side wall trolley, and with the tension of oblique construction side wall side;
(9) install some anti-floating screw mandrels very heavy, described very heavy one end of anti-floating screw mandrel is butted on described steel form top end, and the other end peaks at bottom foundation ditch brace summer;
(10) closing in net and steel plate for sealing water are arranged on described steel form both sides;
(11) concreting, after concrete setting, form removal and next circulation construction.
2. the side wall concrete construction method of application side wall trolley as claimed in claim 1, is characterized in that:
Apply two row side wall trolley for the construction of both sides side wall concrete simultaneously, by some, stay tube part is connected between described two row side wall trolley, further comprising the steps between step (9) and step (10):
Install some to stay tube part, by described, stay tube part is connected between described two row side wall trolley arranged side by side.
3. the side wall concrete construction method of application side wall trolley as claimed in claim 1, is characterized in that: described beam frame assembly forms upper beam frame assembly and lower beam frame assembly by stacked system, is bolted to connection between described upper and lower beam frame assembly.
4. the side wall concrete construction method of application side wall trolley as claimed in claim 1, is characterized in that: described telescopic boom beam is built-in with hydraulic jack, and is placed on slideable bearing.
5. the side wall concrete construction method of application side wall trolley as claimed in claim 1, it is characterized in that: described running gear comprises and is arranged on movable pulley below described steel post and for providing the drive unit of walking power, described walking track and described movable pulley match.
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| CN114941426B (en) * | 2022-04-08 | 2023-11-10 | 福建建工基础设施建设集团有限公司 | Single-side wall template trolley construction method with mechanical demoulding device |
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