CN104805759A - Formwork system for track floor construction and construction method of track floor - Google Patents
Formwork system for track floor construction and construction method of track floor Download PDFInfo
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- CN104805759A CN104805759A CN201510232276.7A CN201510232276A CN104805759A CN 104805759 A CN104805759 A CN 104805759A CN 201510232276 A CN201510232276 A CN 201510232276A CN 104805759 A CN104805759 A CN 104805759A
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Abstract
The invention provides a formwork system for track floor construction and a construction method of a track floor, aiming at solving a series of problems that the track floor in the prior art cannot satisfy the demands of super-flatness, super-hardness, slip resistance, low noise, anti-discoloration and the like. The formwork system comprises a relatively arranged formwork group, the formwork group and a foundation floor form an area to be poured and the formwork group comprises horizontal formworks, wherein the horizontal formworks comprise horizontal lower formworks and horizontal upper formworks, the horizontal lower formworks are fixed on the foundation floor through adjusting bolts, the adjusting bolts are all located at certain ends of the horizontal lower formworks, and the horizontal upper formworks are fixed at the other ends of the horizontal lower formworks. Through the above-mentioned special super-flat floor formwork system, the track floor can be kept to have high flatness when pouring is completed and thus the goal of super-flatness is realized.
Description
Technical field
The present invention relates to architectural decoration technical field of construction, particularly a kind of template system for track floor construction and construction method thereof.
Background technology
In current all kinds of large-scale playground, Amusement vehicle has become one of indispensable recreation facility.Terrace is divided into orbital region and non-orbital region by Amusement vehicle Track desigh, there is the discrepancy in elevation between the terrace of orbital region and non-orbital region, and the terrace of non-track regions should higher than orbital region.Wherein, the safe operation of construction quality to Amusement vehicle of track terrace plays conclusive effect.
For increasing interest and the excitant of Amusement vehicle, Track desigh of travelling adopts Various Complex bend to combine usually, and the speed of service of train also can than comparatively fast.Track curves of travelling is many and anxious, and in closed circuit, complicated route adds that high-speed motion can increase train and travel the centrifugal force in way.This take thrill as the Amusement vehicle of design motif, under monorail power drive, usually require its can with 225 °, 180 °, 135 °, 90 °, 45 °, 30 °, 15 ° etc. continuously camber line move in a circle on terrace or turning motion.The passenger doing turning motion with Amusement vehicle can be subject to the centripetal force effect that of Amusement vehicle static corresponding thereto points to the center of circle, makes passenger experience photoelectronic and stimulus to the sense organ too plenty for the eye to take it all in; Simultaneously passenger's centrifugal force that Amusement vehicle one also can be given reverse, huge centrifugal force can increase the hazard index that Amusement vehicle runs.If terrace surface exists rough words, even if slight frustration is if there is in bend, also to causing very pitchpole during train operation, potential safety hazard can be formed under the influence of centrifugal force.How to improve the difficult point that the levelness of complicated track terrace and planeness become track floor construction.
In addition, the wheel of Amusement vehicle not only contacts track, and a part for wheel also can touch track terrace, and process as anti-skidding in track terrace surface is bad, and in motion, vehicle can de-orbit because of skidding, thus causes overturn accident.In prior art, usually anti-skidding process is carried out at terrace surface coating epoxy resin, but larger noise can be produced when wheel and epoxy resin contact friction, if it is anti-skidding in-orbit road terrace also to adopt epoxy resin to carry out, very harsh noise will be produced between Amusement vehicle and epoxy resin skid resistant course in fast running, the mood of visitor can be had a strong impact on.Therefore, under the prerequisite ensureing skid-resistance requirements, how to accomplish that low noise is also the large difficult point of track floor construction one.
Secondly, the decoration of playground, with vivaciously, is easily homophony, usually can in-orbit on road terrace application one deck color layer to echo theme of travelling.And color layer is after vehicle long run, there will be and come off and fade gradually, the color layer that color is mottled can reduce the sight of playground greatly, needs constantly to repeat to safeguard in operation stage, safeguards that application then can bring the problems such as service time shortening, economic benefit reduction.
For the track terrace of playground, how to accomplish super flat, superhard, anti-skidding, low noise and wear-resistingly become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of template system for track floor construction and construction method thereof, cannot to meet the demands more and more harsh super flat, low noise and the easy a series of problem such as decolouring to solve prior art middle orbit terrace, by improving the template system used in track terrace, template system is made to be in super level state all the time in work progress, coordinate the use of floating rule simultaneously, make track terrace at the end of cast, just can keep the planarization of height, thus achieve the super flat object of track terrace.
For solving the problems of the technologies described above, the invention provides a kind of template system for track floor construction, comprising: one group of template group be oppositely arranged, described template group and described basic terrace surround region to be cast, and described template group comprises horizontal shuttering; Wherein, described horizontal shuttering comprises horizontal lower bolster and horizontal cope match-plate pattern, described horizontal lower bolster is fixed on described basic terrace by adjusting bolt, and described adjusting bolt is all positioned at one end of described horizontal lower bolster, and described horizontal cope match-plate pattern is fixed on the other end of described horizontal lower bolster.
Optionally, in described template system, the bottom of described adjusting bolt is fixed in described basic terrace, each described adjusting bolt is all threaded latch assembly, described latch assembly comprises upper cap nut, lower nut, Upper gasket and lower gasket, and described upper cap nut, Upper gasket, horizontal lower bolster, lower gasket and lower nut set gradually from top to bottom.
Optionally, in described template system, described horizontal cope match-plate pattern comprises the horizontal patrix lath that some head and the tail connect, and described horizontal lower bolster comprises the horizontal counterdie lath that some head and the tail connect; Described in every bar, the surface of horizontal patrix lath and horizontal counterdie lath all arranges unique numbering, and described numbering comprises link information and permanent position information.
Optionally, in described template system, described horizontal cope match-plate pattern is also provided with arrow logo on the surface, and described arrow logo points to described region to be cast.
Optionally, in described template system, described template group also comprises described upper side template and lower side template, described upper side template is screwed in the side of described horizontal shuttering near side, described region to be cast, and described lower side template to be screwed on described upper side template and to be close to described basic terrace.
Optionally, in described template system, described horizontal shuttering is wooden composite board, and described upper side template and lower side template are aluminium sheet.
Optionally, in described template system, the described upper side template height exceeding described horizontal cope match-plate pattern part suitable for reading suitable for reading is less than or equal to 0.5mm.
Optionally, in described template system, described upper side template horizontal cope match-plate pattern suitable for reading and described is suitable for reading to be flushed.
Optionally, in described template system, in the region that described horizontal lower bolster, lower side template and basic terrace surround, be full of foamed glue.
Optionally, described template system also comprises limited block, and described limited block is positioned at exposing side and being fixed on described basic terrace of described foamed glue.
Optionally, also comprise and be positioned at some cushion blocks on described basic terrace and steel mesh reinforcement stating template system, described steel mesh reinforcement to be positioned on described cushion block and to be fixed on described basic terrace by described cushion block.
Optionally, in described template system, described lower side template is provided with some grooves, described steel mesh reinforcement intersects with described lower side template through described groove.
Accordingly, the present invention also provides a kind of construction method of described track terrace, comprising:
Step one: make several template bars;
Step 2: described template bar is arranged on described basic terrace and forms described template system;
Step 3: pour into a mould described concrete in described region to be cast;
Step 4: set up floating rule between the described template group be oppositely arranged, utilizes floating rule to strike off concrete in described step 3.
Optionally, in the construction method of described track terrace, described step one comprises:
On described basic terrace, snap the line forms grid, and utilize described grid to determine the position of described template group, determine shape and the numbering of template bar described in every block, wherein said template bar comprises described horizontal patrix lath and horizontal counterdie lath;
Wooden composite board is stamped the grid identical with on described basic terrace and calibrated sizes, draw the shape of described template bar, numbering and described arrow logo; And
Utilize CNC milling machines machine according to the described wooden composite board of shape cutting of described template bar, form multiple described template bar.
Optionally, in the construction method of described track terrace, described step 2 comprises:
Point laying-out is carried out in precalculated position on described basic terrace, and tie point position forms described template group Curve lofting profile;
Imbed described adjusting bolt in the predetermined point position of described basic terrace, described adjusting bolt sets gradually lower nut and described lower gasket from bottom to up, and described lower gasket is placed in same level;
Described basic terrace places steel mesh reinforcement, cushion block is set under described steel mesh reinforcement and is fixed on described basic terrace by described cushion block;
Each described horizontal counterdie lath is arranged on described lower gasket according to coding rule by described adjusting bolt, and from top to bottom described Upper gasket and top nut are installed successively in each described adjusting bolt, described upper cap nut, lower nut, Upper gasket and lower gasket form described latch assembly;
Adjust described latch assembly, the upper surface of described horizontal lower bolster is all positioned in the same level of predetermined altitude;
Each described horizontal patrix lath is arranged on corresponding described horizontal counterdie lath according to coding rule by screw;
Adjust described latch assembly, the upper surface of described horizontal cope match-plate pattern is all positioned in the same level of specified altitude assignment;
Described upper side template is screwed in described horizontal shuttering on the side of side, described region to be cast;
Adjust described latch assembly, make suitable for reading being of described upper side template be positioned at same level;
Described lower side template to be screwed on described upper side template and to be close to described basic terrace;
Filling-foam glue in the region that described horizontal lower bolster, lower side template and basic terrace surround;
After described foamed glue drying, described limited block to be fixed on described basic terrace and to expose side near described foamed glue.
Optionally, in the construction method of described track terrace, comprise in described step 4: between the described template group be oppositely arranged, set up floating rule, utilize floating rule repeatedly to strike off the concrete in described step 3, require until the planeness of concrete surface reaches regulation.
Optionally, in the construction method of described track terrace, also comprise after described step 4:
Step 5: carry out maintenance process to the concrete in described step 4, forms described concrete floor, surface material described in described concrete floor surface sprinkling, uses hairbrush that described surface material is even in described concrete floor surface brush;
Step 6, sprays water to described surface material, makes described surface material be deep in described concrete floor surface gaps;
Step 7: repeating said steps five and step 6, until described surface material and described concrete floor are tied as a whole, and forms described surface layer;
Step 8: troweling and repairing treatment are carried out to described surface layer; And
Step 9: remove described template system, forms described track terrace.
Template system provided by the invention, make template system absolute altitude adjustable by adjustable bolt, ensure that the planeness of template system, coordinate the use of floating rule, the rear initial flatness of concrete floor cast is ensure that with this, add by the good control of improved formulations concrete to concrete deformation in initial set process, the planeness of concrete floor is promoted further.
Therefore in terms of existing technologies, adopt technical scheme of the present invention, at least there is following Advantageous Effects:
1. planeness is increased dramatically: by researching and developing special template system, increases floating rule simultaneously and strike off in work progress, and coordinates increase in each step check and repair step, and the planeness of track terrace is greatly improved.
2. realize environmental protection construction: adopt template system of the present invention once to survive and form super flat concrete floor, do not need grinding process, avoid the problem that the large noise of airborne dust in bruting process is large.
3. reduce maintenance and operation cost: due to super flat, superhard, the wear-resisting and not easily advantage such as decolouring of track terrace of the present invention, decrease the maintenance times of tracking road terrace.In addition, in the maintenance of tracking road terrace, only need the surface layer of tracking road terrace to carry out maintenance and again can recover super flat, superhard and wear-resisting kilter, the time that single is safeguarded and expense are also significantly reduced.Comprehensive, maintenance and the operation cost of track terrace are significantly reduced.
Accompanying drawing explanation
Fig. 1 is the FF/FL measured data of concrete floor and the graph of a relation of terrace length that adopt the concrete of the embodiment of the present invention one to obtain;
Fig. 2 is the structural representation of the template system of the embodiment of the present invention three;
Fig. 3 is the structural representation of the template group of the embodiment of the present invention three;
Fig. 4 is the top view of the adjusting bolt of the embodiment of the present invention three;
Fig. 5 is the lateral view of the adjusting bolt of the embodiment of the present invention three;
Fig. 6 is the profile of the template group of the embodiment of the present invention three;
Fig. 7 is the schematic diagram of the track terrace of the embodiment of the present invention three;
Fig. 8 is the machining sketch chart of the horizontal shuttering bar of the embodiment of the present invention three;
Fig. 9 to Figure 19 is the work progress figure of the track terrace of the embodiment of the present invention four.
Detailed description of the invention
Inventor finds, in the work progress of track terrace in the prior art, the planeness of template system can have a strong impact on the planeness of track terrace.For this reason, inventor is developed particularly special template system, makes the planeness of template system omnidistance adjustable controlled, ensure that the planeness of template system, make the realization of super plate rail road terrace become possibility.Meanwhile, in-orbit in road terrace work progress, strike off with the use of floating rule and multiple tracks inspection and repair procedure, super plate rail road terrace is once survived, without the need to polishing, really achieve environmental protection construction.Meanwhile, utilize Numeric Control Technology by template system, template system is decomposed into multiple template bar, greatly reduce the scene mounting or dismounting time of template system.
Below in conjunction with the drawings and specific embodiments, the concrete that the present invention relates to, track terrace, template system and construction method are described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Embodiment one
The present embodiment provides a kind of concrete for track terrace, low for solving ordinary concrete early strength, causes concrete after hydration reaction process, because shrink the uneven problem causing the difference in height of concrete floor excessive.
Because flyash and breeze have the chemical composition similar to cement, generally can replace cement with flyash or breeze, but flyash and breeze all can cause early age strength of concrete to reduce.Through great many of experiments, inventor finds that early age strength of concrete is not high, the difference in height of concrete floor can be caused wayward, and inventor's especial manufacture improves the concrete of early strength for this reason.In the concrete of the present embodiment, forbid in concrete, add flyash and breeze, improve concrete early strength with this.
Improving concrete hydration reaction control ability is main points of the present invention, concrete must have mobility just can construct, water can increase concrete mobility, but the dilutional hyponatremia mixed then can cause concrete bleeding, make concrete shrinkage phenomenon serious, finally cause the difference in height of track terrace surface, also can affect concrete intensity to a certain extent; And concrete drying is too fast, then track terrace top layer can be caused to be difficult to flatten and to occur layering.For this reason, inventor adds high efficiency water reducing agent especially in concrete.On the one hand, improve concrete conformance and mobility, improve concrete homogeneity, avoid the inconsistent and difference in height caused of hydration reaction; On the other hand, reduce concrete water supply volume, avoid the concrete excreting water phenomenon in later stage, make concrete floor surface more smooth.
In sum, the concrete material of the present embodiment comprises: terrace cement, sand, stone, water, high efficiency water reducing agent and fiber, and each Ingredient percent content is as follows:
Specifically, terrace cement can select one or more in portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, fluoroaluminate cement and phosphate cement.Because orbital region is the aisle of tour bus, concrete not only needs high planeness, also has very high requirement to abrasion resistance.Preferably, terrace cement selection intensity grade can be more than or equal to the portland cement of C35.Portland cement has that early strength is high, the heat of hydration is high, freexing tolerance is good, and drying shrinkage is little, can meet the Structural strength calls of track terrace.Because silicate cement hydration reaction speed is fast, early strength and later strength are all high; Meanwhile, portland cement drying shrinkage in hardening process is little, not easily produces crack, and the powder phenomenon that surface produces is little, and abrasion resistance is good, can reduce like this in work progress because the factor of ambient temperature effect terrace planeness.In addition, portland cement, can containing more calcium hydroxide in hydration process, and in such hydration process, the basicity of inside concrete reduces, strong to the protective effect of the steel mesh reinforcement structure that inside is barricaded as.
High efficiency water reducing agent refers to the water reducing agent that water-reducing rate is greater than 10%, high efficiency water reducing agent has another name called super plasticizer, under a kind of condition constant at maintenance concrete slump, the Concrete admixtures of mixing water amount can be reduced, mostly belong to anion surfactant, there are lignosulfonates, naphthalene sulphonate formaldehyde polymer etc., it has peptizaiton to cement granules, the Free water that concrete particle wraps can be discharged, on required concrete degree of mobilization, reduce the volume of coagulation water in soil as far as possible, concrete strength is increased and improves durability.Preferably, high efficiency water reducing agent can adopt polycarboxylic acid analog high efficiency water reducing agent RHEOPLUS.
Fiber in concrete can improve concrete impermeability, stop concrete segregation phenomenon, block inside concrete hair crack, make pouring concrete more even, be conducive to concrete toughness, fatigue resistance etc., fiber add, impact resistance wear-resisting for increase track terrace, the reinforcing bar set up inside is cancellated anticorrosionly also to play a very important role, and fiber and the cancellated combination of reinforcing bar efficiently solve the superhard requirement of strength of track terrace.Fiber can select in glass fiber, asbestos wool fiber, polyethylene fibre, polyvinyl chloride fibre, polypropylene fibre, modified polypropylene fiber, polyester fiber, vinal, acrylic fiber, aramid fiber one or more.
Preferred modified polypropylene fiber in the present embodiment, modified polypropylene fiber is pencil monofilament, fibre diameter 1830 μm, and modulus of elasticity is greater than 3.5Gpa, proportion 0.91, it has good dispersiveness, strong with the bond stress of cement concrete matrix, effectively can stop and shrink segregation, the formation and development of sedimentation and another cracks, under test proves similarity condition, use the cement concrete matrix of modified polypropylene fiber, its cracking resistance seam ability can improve nearly 70%.
Theme of travelling is coordinated better in order to enable track terrace, colorant is also added in the concrete material of the present embodiment, track terrace color is made more to meet designing requirement, in the present embodiment, colorant is concrete floor inorganic pigment, and the mass percentage content of concrete floor inorganic pigment is 0.8% ~ 1.5%.Above-mentioned concrete floor inorganic pigment is iron oxide pigment, is divided into iron oxide red, iron oxide yellow, iron oxide black etc. by color, and its color stability is strong, can ensure track terrace consistency of colour.Middle colorant is only coated on the technical scheme on terrace top layer compared to existing technology, and colorant makes an addition in concrete by technical solution of the present invention, and keeps color stable, avoids track terrace to occur surface discolouration phenomenon because of long term wear.The present embodiment selects iron oxide black according to designing requirement, i.e. di-iron trioxide, also known as carbon black.Better, also can add concrete floor color-fixing agent in above-mentioned concrete material, preferred concrete floor color-fixing agent is rutile type titanium white, it possesses chemical stability and good ageing-resistant, anti-powdering and discoloration-resisting, can play the uniform effect of color and luster humorous mediation aggregate to concrete material, in the present embodiment, the mass percentage content of rutile type titanium white is 0.4% ~ 0.9%.
The sand selected in the present embodiment is medium sand (degree of threading modulus is 3.0 ~ 2.3, and average grain diameter is 0.5mm ~ 0.35mm), with quartz and feldspar for main component; Stone is the rubble of average grain diameter at 5mm ~ 25mm.
In sum, in the concrete material of the present embodiment, with the addition of high efficiency water reducing agent, to improve concrete hydration reaction control ability, concrete strength is increased and improves durability; In addition, also in concrete material, with the addition of fiber, fiber can improve concrete impermeability, be conducive to concrete toughness and fatigue resistance etc., add the wear-resisting and impact resistance of concrete floor, the reinforcing bar net structure that fiber is set up with concrete floor inside combines, and enhances the intensity of concrete floor, thus makes concrete floor of the present invention realize superhard, wear-resisting and anti-skidding designing requirement.
In terms of existing technologies, the planeness of the concrete floor adopting the concrete of the present embodiment to make and levelness are obtained for and significantly promote.According to " measuring concrete ground leveling and discrepancy in elevation standard " (ACI 302.1R) that ACI and Canadian Standards Association formulate, adopt DIPSTICK FloorProfiler terrace section plotter to measure the concrete floor utilizing the concrete of the present embodiment to pour into a mould, Measuring Time is within latter 72 hours of concrete floor completion; Measurement circuitry is that the center line of wheel walking is longitudinally measured along track; The local distance being no less than 600mm such as edge, level ground, constuction joint that measuring position is liftoff, measures route parallel distance and is not less than 1.22m.
Fig. 1 is the FF/FL measured data of concrete floor and the graph of a relation of terrace length that adopt the concrete of the present embodiment to obtain.As shown in Figure 1, the consecutive variations value of every 1-ft (300mm) spacing drop when planeness is by measuring along the slotted line in tested region, represent the rugged and rough of earth's surface, flatness value (FF) larger ground is more smooth; Drop in the continuous distance of the every 10-ft (3m) when levelness is by measuring along the slotted line in measured region from design grade, represents the compliance relative to design grade.In Fig. 1, horizontal axis represents track continuous length, unit m, and longitudinal axis represents levelness, calculates FF=25.1, FL=17.8.
According to the correlation of 3 meters of guiding ruler drop measuring methods and ACI 302.1R measuring method, ACI 302.1R measurement result FF=25.1 and FL=17.8, the measurement result of 3 meters of corresponding guiding ruler drop measuring methods is ± 1mm.And the surperficial drop of the concrete floor adopting conventional concrete to obtain in 72 hours is substantially all at ± more than 6mm, the visible planeness adopting the concrete of the present embodiment significantly can promote concrete floor.
Embodiment two
The present embodiment is for the construction of the colored track terrace of the concrete of monorail Amusement vehicle in certain large-scale playground engineering, this track terrace width is 2146mm, total length is more than 200m, pouring concrete thickness is 75mm and entire body black, owing to needing to run monorail Amusement vehicle in orbital region, therefore the track terrace of this part not only will have enough intensity, also will have enough planeness, abrasion resistance and skid resistance.
The track terrace of the present embodiment comprises basic terrace, concrete floor and surface layer.Wherein, concrete floor is fixed on basic terrace, and surface layer to be covered on concrete floor and to be integrated with concrete floor consolidation.In order to ensure the planeness of track terrace, the concrete material that concrete floor adopts is a kind of concrete of embodiment.
In addition, in order to improve abrasion resistance and the skid resistance of track terrace, inventor have developed superhard, wear-resisting surface material anti-skidding again especially, and this surface material paving is sprinkled upon on concrete floor and forms surface layer.Specifically, surface material comprises surface layer cement, mineral alloy aggregate, aluminium powder, liquid surface hardener and fibre-forming polymer, and each Composition Weight Parts is as follows:
Surface layer cement: 10 ~ 50 parts;
Mineral aggregate: 20 ~ 100 parts;
Aluminium powder: 1 ~ 10 part;
Liquid surface hardener: 1 ~ 10 part;
Fibre-forming polymer: 1 ~ 10 part
The dry powder of the present embodiment surface material can be prepared as follows: by the surface layer cement of 10 ~ 50 weight portions, the mineral aggregate of 20 ~ 100 weight portions, the aluminium powder of 1 ~ 10 weight portion, the liquid surface hardener of 1 ~ 10 part, the fibre-forming polymer of 1 ~ 10 weight portion is placed in mixer and mixes 5 ~ 60 minutes under room temperature, obtains the dry powder of above-mentioned surface material.
Wherein, above-mentioned surface layer cement is one or more in portland cement, aluminate cement, sulphate aluminium cement, ferrous aluminate cement, fluoroaluminate cement and phosphate cement, in the present embodiment, preferred intensity coefficient is more than or equal to the portland cement of C35, and with the cement strength grade in the concrete of cast track terrace and number all identical, so, can ensure that the drying shrinkage of cement in surface layer, hydration reaction are consistent with track terrace, make both combinations more firm.
Above-mentioned mineral aggregate is one or more of quartz sand, diamond dust and alloy aggregate, and quartz sand is a kind of silicate mineral of hard, wear-resisting, stable chemical performance, and Mohs' hardness is 7 degree; Diamond dust Mohs' hardness is approximately 9 degree, average grain diameter 0.5 ~ 0.32mm.Mineral aggregate utilizes the characteristics such as its hardness is high, stable chemical performance as the abrasive aggregates of surface layer.
Aforesaid liquid surface hardener, for sealing and the concrete of initial set of hardening, alleviates concrete surface dehydration degree in the curing process.Liquid surface hardener can slime after meeting water, surface material in depth can be penetrated in concrete floor, and as a whole with concrete floor consolidation.In addition, liquid surface hardener also has the large and feature such as to misfire of compressive strength, and applicable engineering is promoted the use of.Preferably, liquid surface hardener can be chosen as one-component silicate of soda transparency liquid hardener, and its compressive strength can reach 490N/mm
2above.
Above-mentioned aluminium powder has metallic luster and function of shielding, granularity 0.08 ~ 0, aluminium powder is after being compacted to track terrace surface, good facilitation is had to levelling, by the physical shielding that aluminium powder is good can modulate greyish black, blue mutually and the mirror effect of different form and aspect, thus realize the effect of super flat, the minute surface of concrete surface.
Above-mentioned fibre-forming polymer is one or more in glass fiber, asbestos wool fiber, polyethylene fibre, polyvinyl chloride fibre, polypropylene fibre, modified polypropylene fiber, polyester fiber, vinal, acrylic fiber, aramid fiber.In the present embodiment, preferred modified polypropylene fiber fibre-forming polymer adds, impact resistance wear-resisting for increase track terrace, anticorrosion impervious, minute surface and anti-skiddingly all play important effect.
Surface material, by superposing a surface layer on concrete floor top layer, is sprayed on concrete floor by the present embodiment uniformly, makes surface material absolutely oversite concrete terrace; Liquid surface hardener in surface material can become the character that stick-slip has similar gels under the effect of water, thus is firmly sticked on concrete floor by surface material, make surface material and concrete floor can consolidation as a whole; In cement and concrete terrace in surface material, the strength grade of cement used is identical, makes the drying shrinkage of cement in surface layer, hydration reaction consistent with concrete floor, make both character closer to, in conjunction with more firm; The hardness of surface layer is strengthened by the mineral aggregate in surface material, improve anti-wear performance, the physical shielding of aluminium powder in surface layer is utilized to realize the super flat mirror effect of concrete floor, by adding fibre-forming polymer to promote the impact resistance, anticorrosion impervious of surface layer, and nonslip properties, thus surface layer is made to realize the designing requirement of superhard wear, anti-skidding, minute surface, nondiscoloration and noise reduction.It should be noted that in addition, this enforcement is also applicable to other must in the large-sized concrete terrace project of wear and shock-resistants, no longer particularize herein.
Further, the decoration of playground, with vivaciously, is easily homophony, track terrace is often designed painting and dresses up colored to echo theme of travelling, conventional rails terrace manually criticize embedding after need through polishing colouring, color firmness is low, very easily decolour, affect application life and the sense organ degree of track terrace; And vehicle long run can cause the application of common rail terrace to fade gradually, affect its sight, constantly repeat maintenance, application if need operation stage, the series of problems such as service time shortening, economic benefit reduction can be caused.
For solving the problem, also added surface layer inorganic pigment and surface layer color-fixing agent in the surface layer of the present embodiment track terrace, above-mentioned surface layer inorganic pigment and surface layer color-fixing agent consist of:
Inorganic pigment: 5 ~ 10 weight portions;
Surface layer color-fixing agent: 3 ~ 10 weight portions.
Above-mentioned surface layer inorganic pigment is iron oxide pigment, is divided into iron oxide red, iron oxide yellow, iron oxide black etc. by color, and its color stability is strong, can ensure surface layer consistency of colour.The present embodiment selects iron oxide black according to designing requirement, i.e. di-iron trioxide, also known as carbon black.Above-mentioned surface layer color-fixing agent is rutile type titanium white, and it possesses chemical stability and good ageing-resistant, anti-powdering and discoloration-resisting, can play the uniform effect of color and luster humorous mediation aggregate to the dry powder of surface layer.With the addition of surface layer inorganic pigment and surface layer color-fixing agent in above-mentioned surface layer, make surface layer color more stable, not easily decolour, and the mineral aggregate in the surface layer of the present embodiment makes its anti-wear performance be improved, avoid track to cause because of long term wear fading.In addition, the present embodiment surface layer is identical with the inorganic pigment added in track terrace, is carbon black, also makes the track terrace overall color after having constructed consistent, even if top layer wearing and tearing, also can not affect the sensorial effects of track terrace entirety.
Embodiment three
In order to solve the problem of the roughness descent that track terrace causes because of work progress further, inventor's especial manufacture develops a kind of template system of the track floor construction for embodiment two.The template system of the present embodiment is introduced below in conjunction with accompanying drawing 2 to accompanying drawing 8 detailed annotation.
As shown in Figure 2, for completing the template system 100 of the track floor construction of embodiment two, comprise one group of template group be oppositely arranged 1, template group 1 and basic terrace 2 surround region 3 to be cast.As shown in Figure 3, template group 1 comprises horizontal shuttering, and horizontal shuttering comprises horizontal lower bolster 4 and horizontal cope match-plate pattern 5, and horizontal lower bolster is fixed on basic terrace 2 by adjusting bolt 6, adjusting bolt 6 is all positioned at one end of horizontal lower bolster 4, and horizontal cope match-plate pattern 5 is fixed on the other end of horizontal lower bolster 4.
Composition graphs 2 and Fig. 3, can adjust the planeness of horizontal lower bolster 4 and horizontal cope match-plate pattern 5 easily by adjusting bolt 6, thus ensure the planeness of whole template group 1.In actual applications, according to designing requirement, adjust each adjusting bolt 6, by the Height Adjustment of whole template group 1 to predetermined design height, pour concrete in region 3 to be cast after, can set up floating rule in the template group 1 be oppositely arranged, concrete is struck off, because the height of template group 1 is consistent, strike off through the floating rule be erected in template group 1, the planeness of concrete floor can practical being guaranteed.
Composition graphs 4 and Fig. 5, be fixed on bottom each adjusting bolt 6 in basic terrace 2, each adjusting bolt 6 is all threaded latch assembly, latch assembly comprises upper cap nut 61, lower nut 62, Upper gasket 63 and lower gasket 64, and upper cap nut 61, Upper gasket 63, horizontal lower bolster 4, lower gasket 64 and lower nut 62 set gradually from top to bottom.In actual use procedure, horizontal laser light instrument can be used to demarcate predetermined altitude, then the height of whole template group 1 various piece is checked, template group 1 is not unclamped at the upper cap nut 61 of the adjusting bolt 6 of the part correspondence of predetermined height, the lower nut 62 of adjustment, regulate horizontal lower bolster 4 the horizontal cope match-plate pattern 5 of drive simultaneously to arrive predetermined altitude, adjust adjusting bolt 6 one by one, make the height of whole horizontal shuttering arrive unified predetermined altitude.
Composition graphs 2 and Fig. 3, in order to ensure to prevent side spillage, also need on the side of template group 1, arrange side template 7 and lower side template 8, upper side template 7 is screwed in the side of horizontal shuttering near side, region 3 to be cast, lower side template 8 is screwed on upper side template 7, and one end of lower side template 8 is close on basic terrace 2.Consistent in order to ensure the height of whole template group 1, preferably, in requirement, side template 7 cope match-plate pattern suitable for reading and horizontal is suitable for reading flushes.In practice of construction process, because there is construction precision, for the installation of upper side template 7, on the one hand in order to avoid horizontal shuttering directly contacts concrete, on the other hand in order to effectively control the upper open height of upper side template 7, usual requirement, the suitable for reading of upper side template 7 need higher than horizontal cope match-plate pattern certain distance suitable for reading, and exceed distance should more than 0.5mm, so, can ensure that floating rule bottom surface all fully contacts with upper side template 7 is suitable for reading, and then realize the super flat construction requirement in concrete floor surface.
Composition graphs 3 and Fig. 6, in order to ensure the intensity of track terrace, also need road terrace inside in-orbit to arrange steel mesh reinforcement.Needing to arrange steel mesh reinforcement 9 for this reason on basic terrace 2, in order to allow steel mesh reinforcement 9 have certain altitude, can arrange cushion block below steel mesh reinforcement 9, steel mesh reinforcement 9 to be positioned on cushion block and to be fixed on basic terrace 2 by cushion block.In the part that steel mesh reinforcement 9 intersects with lower side template 8, can be provided with groove 81 on lower side template 8, steel mesh reinforcement 9 intersects with lower side template 8 through groove 81.For the scheme of lower side template 8 is not set, separate upper side template 7 and lower side template 8 are set, namely can ensure near basic terrace 2 by lower side template 8, can complete again and the intersecting without interfering of steel mesh reinforcement 9; Meanwhile, because lower side template 8 is arranged with upper side template 7 is independent, avoid because the impact repeatedly adjusted upper side template 7 absolute altitude suitable for reading of lower side template 8.
Composition graphs 3 and Fig. 6, in order to prevent lower side template 8 and the issuable spillage of groove 81, preferably, be full of foamed glue 10 in the region that horizontal lower bolster, lower side template 8 and basic terrace 2 surround.Better, can also arrange limited block 11 in the side of exposing of foamed glue 10, limited block 11 is fixed on basic terrace 2, makes whole template group 1 more firm.
As a rule, template system adopts steel or wooden material mostly.But for most playground, in order to increase travelling property and excitant, usual track terrace all comprises many places bend.For track terrace embodiment as shown in Figure 7, even use " zigzag 18 is curved " to describe also not to be.Whole-steel template not easily bends, and cannot meet the modeling requirement of its " zigzag 18 is curved ", also cannot reach the effect of curve smoothness, finally can affect its molding effect, and consumption of materials is large, and cost is wayward.But there is again the not easily problem such as location and installation and laying-out curve difficulty in wooden template.
For the problems referred to above, the creationary template way proposing aluminium sheet and combine with plank of inventor.Specifically, be exactly that horizontal shuttering is adopted as wooden composite board, and upper side template 7 and lower side template 8 all adopt aluminium sheet.Its radian moulding of wooden template more easily realizes, digitlization building technology incorporates in wooden form manufacture craft by the present invention, evade Traditional Wood template construct to rely on artificial handicraft and do moulding and produce the defect of error, by CNC (Computer numerical control, numerically controlled lathe) machining center completes that moulding makes, cutting, achieve moulding accurately, the object of batch production processing.Utilize numerically controlled lathe to process, only just effectively need can utilize timber by simple permutation and combination, significantly reduce the proportion of goods damageds of material, and make efficiency be fast, molded dimension is accurate.The existing certain intensity of aluminum material also can be docile in other materials, is applicable to very much installing, controlling and location.Aluminium matter side plate from heavy and light, easily processing combines with wooden horizontal shuttering is bring out the best in each other.
Conveniently process, preferably, horizontal cope match-plate pattern 5 is divided into the horizontal patrix lath that several head and the tail connect, horizontal lower bolster 4 is divided into the horizontal counterdie lath that several head and the tail connect, horizontal counterdie lath and horizontal patrix lath are referred to as horizontal shuttering bar simultaneously.At CNC machining center, in the manufacturing process of wooden horizontal shuttering bar, the grid identical with scene can be stamped and calibrated sizes on wooden form, draw the shape of horizontal shuttering bar, for saving consumptive material, the horizontal shuttering bar of analogous shape can also be placed on a column and draw, farthest to utilize material.
As shown in Figure 8, every block horizontal shuttering bar has its proprietary numbering, prevent from occurring putting upside down end to end in installation process, the pouring concrete direction arrow that every block horizontal shuttering bar marks, region pointed by arrow is casting and compacting of concrete direction, to avoid casting and compacting of concrete in work progress because direction recognition is wrong to the mistake of non-orbital region.That is, the surface of horizontal patrix lath and horizontal counterdie lath all arranges unique numbering, and numbering comprises link information and permanent position information; Horizontal shuttering surface is provided with arrow logo, and arrow logo points to region 3 to be cast.Preferably, because horizontal lower bolster 4 is covered by horizontal cope match-plate pattern 5, therefore the surface of the horizontal cope match-plate pattern 5 of a needs arranges arrow logo, is used to indicate concrete watering and smashes direction.In addition, every block horizontal shuttering bar surface is also provided with " interior " or " outward " mark, and mark " interior " refers to the side of its installation site near track terrace, and mark " outward " refers to its side away from track terrace.
The template system 100 of the present embodiment, can ensure template to be trampled 200 kilograms indeformable, and aluminium matter side template anti-side is indeformable to horizontal thrust 150 kilograms.Above-mentioned template system 100 adopts, and " secondary composite board+vertical aluminium sheet of bearing bolt+secondary " is combined into one, bear the effect of " moulding, location, carrying, guiding ruler ", template group 1 adopts stepped ramp type to design, namely facilitate adjusting bolt 6 to be fixed on the low order (i.e. horizontal lower bolster 4) of horizontal shuttering, be beneficial to again the upper operation on the upper rank (i.e. horizontal cope match-plate pattern 5) of horizontal shuttering of follow-up floating rule; Upper and lower side template is installed vertically on horizontal shuttering side, and perfection make use of the flexible of aluminium sheet " just " and " soft " and lateral rigidity and antiwear characteristic, uses ultimate attainment by limited aluminum metal characteristic.Visible, the present invention utilizes the characteristic of reliable, the indeformable and easy processing of composite board globality, make the horizontal shuttering of complicated camber line moulding, and the feature being easy to shaping in conjunction with aluminum alloy pattern plate, being convenient to control and installing, assemble the template system 100 of track terrace, not only easy to make, stock utilization is high, and moulding is accurate, easy for installation.
Embodiment four
The present embodiment provides a kind of construction method using the template system 100 of embodiment three to complete the track terrace of embodiment two.Below in conjunction with accompanying drawing 9 to accompanying drawing 19, describe the construction method of the present embodiment in detail.Specifically, the construction method of the present embodiment comprises the steps:
Step one: make several template bars;
First, as shown in Figure 9, on basic terrace, snap the line forms grid, utilizes the position of grid determination template group, determines shape and the numbering of every block template bar;
Then, as shown in Figure 10, at CNC machining center, wooden form is stamped the grid identical with scene and calibrated sizes, draw the shape of template bar, numbering and described arrow logo.For saving consumptive material, the template bar of analogous shape can be placed on a column and draw, farthest to utilize material.Every block template bar has its proprietary numbering, and prevent from occurring putting upside down end to end in installation process, and indicate arrow on template bar, arrow points region is casting and compacting of concrete direction, prevent water smash in there is anisotropy.
Then, utilize CNC milling machines machine to cut wooden composite board according to the shape of template bar, form multiple template bar; Wherein template bar comprises horizontal patrix lath and horizontal counterdie lath.
Step 2: template bar is arranged on basic terrace and forms template system;
First, as shown in figure 11, point laying-out is carried out in the precalculated position on basic terrace, and tie point position forms template group Curve lofting profile;
Then, as shown in figure 12, imbed adjusting bolt in the predetermined point position of described basic terrace, preferably, the spacing of adjacent two adjusting bolts is more than or equal to 400mm; Described adjusting bolt is arranged and sets gradually lower nut and described lower gasket from bottom to up, and be placed in same level by described lower gasket, preferably, upper lower gasket is made up of rubber elastomeric material, has cushioning effect;
Then, described basic terrace places steel mesh reinforcement, under described steel mesh reinforcement, cushion block is set and is fixed on basic terrace by cushion block;
Then, as shown in figure 13, be arranged on described lower gasket by adjusting bolt according to coding rule by each horizontal counterdie lath, and install described Upper gasket and top nut successively in each described adjusting bolt, described upper cap nut, lower nut, Upper gasket and lower gasket form described latch assembly;
Then, adjust described latch assembly, the upper surface of described horizontal lower bolster is all positioned in the same level of predetermined altitude;
Then, as shown in figure 14, each described horizontal patrix lath is arranged on corresponding described horizontal counterdie lath according to coding rule by screw;
Then, adjust described latch assembly, the upper surface of described horizontal cope match-plate pattern is all positioned in the same level of specified altitude assignment;
Then, as shown in figure 15, described upper side template is screwed in described horizontal shuttering on the side of side, described region to be cast;
Then, adjust described latch assembly, make suitable for reading being of described upper side template be positioned at same level;
Then, as shown in figure 16, described lower side template to be screwed on described upper side template and to be close to described basic terrace;
Then, as shown in figure 17, filling-foam glue in the region that described horizontal lower bolster, lower side template and basic terrace surround;
Finally, after described foamed glue drying, described limited block to be fixed on basic terrace and to expose side near described foamed glue.
Step 3: pour into a mould described concrete in described region to be cast;
Represent according to the arrow on horizontal shuttering surface, to the concrete that region to be cast cast embodiment is a kind of, and soil matrix will be coagulated originally shakeout;
Step 4: set up floating rule between the described template group be oppositely arranged, utilizes floating rule to strike off concrete in described step 3;
As shown in figure 18, between the described template group be oppositely arranged, set up floating rule, utilize floating rule repeatedly to strike off the concrete in described step 3, require until the planeness of concrete surface reaches regulation.After striking off at every turn, whether smoothly concrete surface can be detected with pulse planometer, also can use the floating rule with light carries out under light-illuminating visual inspection to the concrete after striking off, after checking after repeatedly striking off, the planeness of concrete surface can conform with the regulations requirement.In general, after 3 times strike off, the planeness of concrete surface can reach regulation requirement.
Preferably, in order to ensure the wear-resisting, anti-skidding of track terrace and noiseproof requirement, after step 4, surface layer making can also be carried out at concrete surface; Specifically comprise:
Step 5: maintenance process is carried out to the concrete in described step 4, described concrete floor is formed after concrete initial set, to surface material described in described concrete floor surface sprinkling, use hairbrush that described surface material is even in described concrete floor surface brush; Specifically:
The low pressure spray appliance of high power capacity can be adopted to spray the dry powder of the surface material in embodiment two continuously on concrete floor surface, by the surface material spreading of powdery on concrete floor surface, for guaranteeing uniformly penetrating, dry powder can be spread even in concrete floor surface with soft mane or scrubbing machine;
Step 6, sprays water to described surface material, makes described surface material be deep in described concrete floor surface gaps;
Surface material to concrete floor surface sprays water smoke, liquid surface hardener in surface material can slime after meeting water, be conducive to surface material dry powder and carry out more deep infiltration to concrete floor, make surface material and concrete floor consolidation as a whole, in order to ensure that surface material and concrete floor can in conjunction with firm, after each water spray, at least wait for 30 minutes, be fully combined with concrete floor to make surface material;
Step 7: repeating said steps five and step 6, until described surface material and described concrete floor are tied as a whole, and forms described surface layer;
According to the requirement of surface thickness and planeness, the number of times of repetition step 5 and step 6 can be determined, after each completing steps five and step 6, laser assessment instrument can be utilized to confirm the planeness of surface layer and thickness, after confirming to reach requirement, form surface layer;
Step 8: troweling and repairing treatment are carried out to described surface layer;
Carry out troweling process to surface layer, then, as shown in figure 19, the surface condition of visual inspection surface layer under light-illuminating, carries out repairing treatment for defective place, surface;
Step 9: remove described template system, forms described track terrace.
After checking that surface layer meets the requirements, can stripping system, complete the construction of track terrace.
In terms of existing technologies, the planeness of the concrete Horizon obtained according to above-mentioned construction method can control within ± 1mm, and through follow-up surface layer process and repairing, the planeness of whole track terrace can also get a promotion further.In addition, because add facing sections, substantially increase the skidproof effect of track terrace surface, and because the interpolation of the mineral aggregate in surface layer, also improve the hardness of track terrace.In addition because surface layer and concrete floor to unify consolidation as a whole, further increase the abrasion resistance of track terrace.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (17)
1. for a template system for track floor construction, it is characterized in that, comprising: one group of template group be oppositely arranged, described template group and basic terrace surround region to be cast, and described template group comprises horizontal shuttering; Wherein, described horizontal shuttering comprises horizontal lower bolster and horizontal cope match-plate pattern, described horizontal lower bolster is fixed on described basic terrace by adjusting bolt, and described adjusting bolt is all positioned at one end of described horizontal lower bolster, and described horizontal cope match-plate pattern is fixed on the other end of described horizontal lower bolster.
2. template system as claimed in claim 1, it is characterized in that, the bottom of described adjusting bolt is fixed in described basic terrace, each described adjusting bolt is all threaded latch assembly, described latch assembly comprises upper cap nut, lower nut, Upper gasket and lower gasket, and described upper cap nut, Upper gasket, horizontal lower bolster, lower gasket and lower nut set gradually from top to bottom.
3. template system as claimed in claim 2, is characterized in that, described horizontal cope match-plate pattern comprises the horizontal patrix lath that some head and the tail connect, and described horizontal lower bolster comprises the horizontal counterdie lath that some head and the tail connect; Described in every bar, the surface of horizontal patrix lath and horizontal counterdie lath all arranges unique numbering, and described numbering comprises link information and permanent position information.
4. template system as claimed in claim 3, it is characterized in that, described horizontal cope match-plate pattern is also provided with arrow logo on the surface, and described arrow logo points to described region to be cast.
5. the template system according to any one of Claims 1-4, it is characterized in that, described template group also comprises described upper side template and lower side template, described upper side template is screwed in the side of described horizontal shuttering near side, described region to be cast, and described lower side template to be screwed on described upper side template and to be close to described basic terrace.
6. template system as claimed in claim 5, it is characterized in that, described horizontal shuttering is wooden composite board, and described upper side template and lower side template are aluminium sheet.
7. template system as claimed in claim 6, it is characterized in that, the described upper side template height exceeding described horizontal cope match-plate pattern part suitable for reading suitable for reading is less than or equal to 0.5mm.
8. template system as claimed in claim 7, it is characterized in that, described upper side template horizontal cope match-plate pattern suitable for reading and described is suitable for reading to be flushed.
9. template system as claimed in claim 8, is characterized in that, in the region that described horizontal lower bolster, lower side template and basic terrace surround, be full of foamed glue.
10. template system as claimed in claim 9, it is characterized in that, also comprise limited block, described limited block is positioned at exposing side and being fixed on described basic terrace of described foamed glue.
11. template systems as claimed in claim 6, is characterized in that, also comprise and are positioned at some cushion blocks on described basic terrace and steel mesh reinforcement, and described steel mesh reinforcement to be positioned on described cushion block and to be fixed on described basic terrace by described cushion block.
12. template systems as claimed in claim 11, is characterized in that, described lower side template is provided with some grooves, and described steel mesh reinforcement intersects with described lower side template through described groove.
The construction method of 13. track terraces according to any one of claim 1-12, is characterized in that,
Comprise:
Step one: make several template bars;
Step 2: described template bar is arranged on described basic terrace and is formed as arbitrary in claim 1-12
Template system described in;
Step 3: fluid concrete in described region to be cast;
Step 4: set up floating rule between the described template group be oppositely arranged, utilizes floating rule to strike off described step
Concrete in three.
The construction method of 14. track terraces as claimed in claim 13, is characterized in that, described step one
Comprise:
On described basic terrace, snap the line forms grid, and utilize described grid to determine the position of described template group, determine shape and the numbering of template bar described in every block, wherein said template bar comprises described horizontal patrix lath and horizontal counterdie lath;
Wooden composite board is stamped the grid identical with on described basic terrace and calibrated sizes, draw the shape of described template bar, numbering and described arrow logo; And
Utilize CNC milling machines machine according to the described wooden composite board of shape cutting of described template bar, form multiple described template bar.
The construction method of 15. track terraces as claimed in claim 14, is characterized in that, described step 2
Comprise:
Point laying-out is carried out in precalculated position on described basic terrace, and tie point position forms described template group Curve lofting profile;
Imbed described adjusting bolt in the predetermined point position of described basic terrace, described adjusting bolt sets gradually lower nut and described lower gasket from bottom to up, and described lower gasket is placed in same level;
Described basic terrace places steel mesh reinforcement, cushion block is set under described steel mesh reinforcement and is fixed on described basic terrace by described cushion block;
Each described horizontal counterdie lath is arranged on described lower gasket according to coding rule by described adjusting bolt, and from top to bottom described Upper gasket and top nut are installed successively in each described adjusting bolt, described upper cap nut, lower nut, Upper gasket and lower gasket form described latch assembly;
Adjust described latch assembly, the upper surface of described horizontal lower bolster is all positioned in the same level of predetermined altitude;
Each described horizontal patrix lath is arranged on corresponding described horizontal counterdie lath according to coding rule by screw;
Adjust described latch assembly, the upper surface of described horizontal cope match-plate pattern is all positioned in the same level of specified altitude assignment;
Described upper side template is screwed in described horizontal shuttering on the side of side, described region to be cast;
Adjust described latch assembly, make suitable for reading being of described upper side template be positioned at same level;
Described lower side template to be screwed on described upper side template and to be close to described basic terrace;
Filling-foam glue in the region that described horizontal lower bolster, lower side template and basic terrace surround;
After described foamed glue drying, described limited block to be fixed on described basic terrace and to expose side near described foamed glue.
The construction method of 16. track terraces as claimed in claim 15, is characterized in that, in described step
Four comprise: between the described template group be oppositely arranged, set up floating rule, utilize floating rule to described step 3
In concrete repeatedly strike off, until the planeness of concrete surface reach regulation require.
17. according to any one of claim 13 to 16 construction method of track terrace, it is characterized in that,
Also comprise after described step 4:
Step 5: carry out maintenance process to the concrete in described step 4, forms described concrete floor, surface material described in described concrete floor surface sprinkling, uses hairbrush that described surface material is even in described concrete floor surface brush;
Step 6, sprays water to described surface material, makes described surface material be deep in described concrete floor surface gaps;
Step 7: repeating said steps five and step 6, until described surface material and described concrete floor are tied as a whole, and forms described surface layer;
Step 8: troweling and repairing treatment are carried out to described surface layer; And
Step 9: remove described template system, forms described track terrace.
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| CN104805759B (en) | 2017-12-26 |
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