CN202492858U - Concrete wear-resistant cover plate - Google Patents
Concrete wear-resistant cover plate Download PDFInfo
- Publication number
- CN202492858U CN202492858U CN2012200082440U CN201220008244U CN202492858U CN 202492858 U CN202492858 U CN 202492858U CN 2012200082440 U CN2012200082440 U CN 2012200082440U CN 201220008244 U CN201220008244 U CN 201220008244U CN 202492858 U CN202492858 U CN 202492858U
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- cover plate
- concrete
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- resistant
- cover
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Abstract
The utility model discloses a concrete wear-resistant cover plate, comprising a concrete body with a reinforcing mesh sheet therein. The concrete wear-resistant cover plate is characterized in that angle irons are disposed at the edge of the cover plate, and the surface of the concrete body is provided with a wear-resistant surface layer. Through the improvement of a conventional concrete cover plate structure, angle-iron protective edges are added at four corners of the pipeway cover plate, and the plate surface is added with an emery wear-resistant layer and cast-in-place concrete and is formed by one shot. Having a smooth and clean surface with wear-resistant performance, the pipeway wear-resistant cover plate not only is good in appearance quality, achieves anti-corrosion performance and advantages of good flame-retardant performance and high strength, is convenient to mount, makes operation of the construction process easy and realizes guaranteed quality safety, but also overcomes many defects of cover plates of other types.
Description
Technical field
The utility model building engineering field, particularly a kind of concrete abrasion-resistant cover plate of raceway groove.
Background technology
Fast development along with China's economy and urban infrastructure; The growth of need for electricity makes country constantly increase the input of communal facilities; Power plant construction is more and more; Particularly high unit capacity development, the cable of energy-conserving and environment-protective requirement power plant, optical cable, heating line, steam line etc. are underground by changing in the open, therefore trench cover outward appearance and quality have been proposed new requirement.As the ancillary facility of pipe trench, the cover plate materials of pipe trench has unlike material, and cast-in-situ concrete cover plate leading in occupation of the indoor and outdoor trench cover always.
Pipe trench is after coming into operation, and because of the needs that overhaul of the equipments, pipe network are changed, debugging detects, trench cover is regular to stir displacement; And that traditional cast-in-situ concrete trench cover receives after the external force effect is fragile; Back of long duration is prone to dusting, has poor durability, and is not wear-resisting; Surface irregularity, problems such as presentation quality difference.
Summary of the invention
The purpose of the utility model is to overcome defective of the prior art, through improvement to the conventional concrete covering plate structure, provide a kind of receive after the external force effect not fragile, wear-resisting, the concrete abrasion-resistant cover plate of surfacing.
A kind of concrete abrasion-resistant cover plate comprises that there is the concrete main body of reinforced mesh inside, it is characterized in that the edge of said cover plate is provided with angle steel, and the surface of concrete main body is provided with wear-resistant coat.
Further, said concrete label is preferably C25.
Planeness, the verticality of trench cover are had relatively high expectations; The utility model is through being provided with planeness, the verticality that the angle steel safe edge guarantees trench cover around trench cover; In the cover plate work progress, the diamond dust high-abrasive material is spread in equably the concrete surface in initial set stage; Through with the concrete integrally curing after, form a superpower sclerosis, closely knit whole wear-resistant coat, have resistance to compression, shock resistance, wear-resistant characteristics.Abrasion-proof concrete plate face is constructed with concrete plate surface, and operation is simple, can the reduction of erection time.
The concrete abrasion-resistant cover plate of the utility model has overcome pipe trench after coming into operation, and because of the needs that overhaul of the equipments, pipe network are changed, debugging detects, trench cover is regular to stir displacement; And that traditional cast-in-situ concrete trench cover receives after the external force effect is fragile; Back of long duration is prone to dusting, has poor durability, and is not wear-resisting; Surface irregularity, problems such as presentation quality difference.Through improvement to the conventional concrete covering plate structure, increase the angle steel safe edge around the trench cover, the plate face is diamond dust wearing layer and cast-in-situ concrete disposal molding in addition; The wear-resisting cover plate plate of pipe trench face outward appearance is bright and clean, has anti-wear performance, and not only presentation quality is good; Have that Corrosion Protection and fire resistance are good, the intensity advantages of higher; It is convenient to install, and construction technology is simple to operate, and quality safety is secure.And the wear-resisting cover plate of pipe trench has overcome numerous defectives of other type cover plate.
Pipe trench is distributed in whole plant area, is criss-cross arranged, and has part need pass factory road, thereby trench cover was designed to road concrete cover and road concrete cover plate only.Pipe trench wear resistant caps buttress is crossed the wide 495mm of the wear-resisting cover plate of road pipe trench according to needing design, and length, thickness and arrangement of reinforcement generally design according to the load-bearing load, and the consumption of high-abrasive material is generally 5 ㎏/㎡.Road pipe trench wear resistant caps thickness of slab 50mm but, length, width generally design according to the size at scene, and arrangement of reinforcement is pressed ф 6200 structures and is provided with, and the consumption of high-abrasive material is generally 3 ㎏/㎡.Generally select the C25 concrete for use.
Description of drawings
Fig. 1 was a road concrete cover plan view.
Fig. 2 was a road concrete cover 1-1 sectional drawing.
Fig. 3 was a road concrete cover 2-2 sectional drawing.
Fig. 4 was the pre-buried detail drawing of road concrete cover suspension hook.
Fig. 5 is a road concrete cover plate plan view only.
Fig. 6 is a road concrete cover plate 1-1 sectional drawing only.
Fig. 7 is a road concrete cover plate 2-2 sectional drawing only.
To combine accompanying drawing that the utility model is done detailed introduction below.
The specific embodiment
Concrete abrasion-resistant cover plate shown in Fig. 1-7 for crossing the road concrete cover, comprises that there is the concrete main body 1 of reinforced mesh 4 inside, it is characterized in that the edge of said cover plate is provided with angle steel 2, and the surface of concrete main body is provided with wear-resistant coat 3.
Its preparation method is following:
1 technological process
Preparation of construction → angle steel frame making → reinforcement fabrication and installation → concreting → high-abrasive material spreading → polish press polish → maintenance → cover plate installation → inspection of quality.
2 key points for operation
2.1 preparation of construction
1, material is prepared: sand, stone should have retrial report, cement that product certificate and retrial report should be arranged; Reinforcing bar, angle steel should carry out outward appearance and data check, do not have distortion wing Qu Xianxiang, and specification, model should reach designing requirement.The welding rod that uses need adhere to specification, and with the quality certification.
2, the preparation in site prefabrication place: prefabricated place should be arranged on the job site does not influence construction part, according to prefabricated quantity and confirm place size service time.The field ground surface is answered press polish, surfacing after the press polish, smooth, solid.
3, technology is prepared:
1) drawing joint hearing:, carry out drawing joint hearing work in strict accordance with the requirement of " unified standard for constructional quality " GB50300 and design drawing.
2) confide a technological secret: should stipulate according to construction inspection rules, carry out the work items construction technology and tell somebody what one's real intentions are.The content of confiding a technological secret will be enriched, and is pointed and guiding, and the personnel that participate in construction will participate in and tell somebody what one's real intentions are and sign, and form the written record of telling somebody what one's real intentions are.
2.2 make the angle bar frame
1, according to raceway groove cover plate frame setting-out size, carry out the cutting of angle bar line by the special messenger, angle bar two cutting 450, the angle bar frame carries out 450 and pieces together welded corner joint.During the welding of angle bar frame phenomenons such as burn, undercut, slag inclusion can not be arranged.One of smooth steel plate can be set during welding, and snap the line on steel plate welds out angle bar frame model with angle steel all around, and angle bar is put into the model welding processing during welding.
2, after the frame welding, should correct before building, frame diagonal, planeness, frame are of the required size.
3, frame welding accomplish calibrated after, the external coating rustproof paint.
2.3 reinforcement fabrication is installed
Carry out the making of reinforcing bar according to drawing requirement, the reinforcing bar node should all use pricks the silk colligation, and reinforcing bar and frame angle steel should weld by drawing.Net sheet reinforcing bar is put into after with concreting, and the position should be correct.
2.4 concreting
1, the angle steel frame horizontal is placed on precasting yard on the ground, and at the thick rubber skin of frame bottom shop 3mm, guaranteeing the cover plate bottom spillage not after the moulding, and the bottom surface is smooth, smooth, and the bottom concrete does not exceed the angle steel frame.
2, consistent for guaranteeing concrete cover surface layer color and luster, concrete raw material disposable the marching into the arena of trying one's best, and pile up separately, the concrete raw material metering is responsible for by the special messenger, stirs.
3 but the cover plate of road, shop one layer concrete earlier in the angle steel uses plate vibrator (small-sized flat board) vibration compacting; Put into reinforced mesh then, add concrete again and be paved with angle steel, and reuse the plate vibrator vibration compacting; Glow magma until planar surface, before concrete final set, be no less than 3 times press polish, the surface nothing is smeared trace after the press polish; Forbid that pit is arranged, phenomenon such as sand holes, build completion after, remove frame circumferential concrete and mortar.
4, the concrete cover of road is provided with template according to thickness excessively, generally should adopt set shaped steel formwork, and concreting in lifts uses vibrating head to vibrate.
2.5 high-abrasive material spreading
Change with factors such as weather, temperature, concrete mixs the opportunity of high-abrasive material spreading.Spreading can make high-abrasive material sink in the concrete too early and lose effect; Spreading concrete too late solidifies, can lose adhesion stress, high-abrasive material can't be combined with it and causes and peels off.The time control of high-abrasive material spreading is the key of high-abrasive material spreading, and concrete is removed surperficial bleeding, can begin spreading construction for the first time with hand by there being pitting not touch with one's hand.For the first time spreading amount is 2/3 of whole consumptions, and mixture should evenly fall, and can not enforce and causes separation, and is promptly floating with wood float behind the spreading.After high-abrasive material absorbs certain moisture, combine with the substrate concrete slurry.For the second time during spreading, weigh levelness with guiding ruler or straight floating rule earlier, and the adjustment uneven place of spreading for the first time, the spreading direction should be with for the first time vertical for the second time.Polish with sanding machine then.
2.6 press polish
1, rub with the hands with wood float flat, and with steel trowel followed by the pressure first pass.Press gentlier, make the trowel line more shallow, water wave do not occur with surface after the press polish and be advisable.
2, after the polishing of high-abrasive material spreading, can begin to press second time, compacting, press polish, and must not leak pressure with steel trowel.Second time press polish is most important, and bubble, hole will be removed in the surface, accomplishes smooth smooth.
3 by the time before the cement mortar final set, use steel trowel the 3rd time again.Smear when pressing and exert oneself slightly, and the trowel line, pore pressing, compacting, the press polish that stay for second time.
4, the press polish of cast-in-place cover plate face wants three times one-tenth to live.Every appropriate all over the time GPRS of smearing pressure, could guarantee workmanship.Press polish too early or cross the quality accident that all can cause the dusting of plate face late, play ash.
2.7 maintenance
1, after wear-resisting cover plate cement screedn is smeared pressure, should maintenance under the normal temperature wet condition.
2, maintenance is wanted in good time, as the too early easy peeling that waters, and spends evening and then is prone to crack or dusting.Should carry out maintenance immediately after the concrete final set, curing time is no less than 7 days.
2.8 cover plate is installed
Oppositely stressed in the cover plate transportation, cause the cover plate fracture easily, the considered cover plate receives force direction when therefore transporting, but the cover plate of road has facing down of angle steel, the steel plate of crossing road has facing up of hole for hoist.Cover plate is shelved on the pipe trench, and pipe trench needs the levelling of water in advance silt particle slurry, and pipe trench two is adopted about the every 20m of transit and fixed a point, the straight and planeness of adjustment cover plate.Cover plate is shelved a bottom and is shelved the thick rubber pad of 3mm, the stability and the surface finish of adjustment cover plate.
Claims (1)
1. a concrete abrasion-resistant cover plate comprises that there is the concrete main body of reinforced mesh inside, it is characterized in that the edge of said cover plate is provided with angle steel, and the surface of concrete main body is provided with wear-resistant coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200082440U CN202492858U (en) | 2012-01-10 | 2012-01-10 | Concrete wear-resistant cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200082440U CN202492858U (en) | 2012-01-10 | 2012-01-10 | Concrete wear-resistant cover plate |
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| Publication Number | Publication Date |
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| CN202492858U true CN202492858U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200082440U Expired - Lifetime CN202492858U (en) | 2012-01-10 | 2012-01-10 | Concrete wear-resistant cover plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452134A (en) * | 2013-01-09 | 2013-12-18 | 丁永杰 | Plastic-steel-composited bearing trench cover plate |
| CN104878874A (en) * | 2015-05-19 | 2015-09-02 | 华南理工大学 | Pier head reinforced ultra-high performance concrete cover plate and production method thereof |
| CN105544934A (en) * | 2015-11-15 | 2016-05-04 | 张学 | Whole flooring curing construction method |
| CN113681709A (en) * | 2021-06-16 | 2021-11-23 | 东南大学 | Preparation method of prefabricated foam fiber self-repairing concrete public pipeline cover plate |
-
2012
- 2012-01-10 CN CN2012200082440U patent/CN202492858U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452134A (en) * | 2013-01-09 | 2013-12-18 | 丁永杰 | Plastic-steel-composited bearing trench cover plate |
| CN104878874A (en) * | 2015-05-19 | 2015-09-02 | 华南理工大学 | Pier head reinforced ultra-high performance concrete cover plate and production method thereof |
| CN105544934A (en) * | 2015-11-15 | 2016-05-04 | 张学 | Whole flooring curing construction method |
| CN105544934B (en) * | 2015-11-15 | 2018-08-21 | 张学 | A kind of entirety flooring solidification construction method |
| CN113681709A (en) * | 2021-06-16 | 2021-11-23 | 东南大学 | Preparation method of prefabricated foam fiber self-repairing concrete public pipeline cover plate |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |
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| CX01 | Expiry of patent term |