CN206428716U - A kind of circular concrete structures toe board panel guide rail - Google Patents

A kind of circular concrete structures toe board panel guide rail Download PDF

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Publication number
CN206428716U
CN206428716U CN201620922402.1U CN201620922402U CN206428716U CN 206428716 U CN206428716 U CN 206428716U CN 201620922402 U CN201620922402 U CN 201620922402U CN 206428716 U CN206428716 U CN 206428716U
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China
Prior art keywords
guide rail
darby
reinforcing bar
construction
toe board
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CN201620922402.1U
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张期斌
张守光
于建欣
曲健
宿亮
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QINGDAO URBAN CONSTRUCTION GROUP Co Ltd
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QINGDAO URBAN CONSTRUCTION GROUP Co Ltd
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Abstract

More particularly to a kind of circular concrete structures toe board panel guide rail of the utility model.Darby is set on the circular concrete structures toe board panel guide rail, including the centre rotational axis being vertically arranged, centre rotational axis, darby is disposed radially, and height-adjustable guide rail is installed on the darby.The utility model greatly improves construction of bottom plates precision by using guide rail method, control bottom board slope and flatness construction quality, and gradient deviation is controlled within 10 ' 15 ';Adjustable support is set for reinforcing bar guide rail, the absolute altitude of every strictly controlled, it is ensured that bottom board slope meets the requirements;Ensure the construction quality of circular bottom plate as guide rail by flexible reinforcing bar, improve circular bottom plate line style quality, be that the construction of later stage pool wall is laid a solid foundation;It using dismountable reinforcing bar guide rail, can directly be removed after construction, reduce later stage repairing, the presentation quality to concrete floor hardly has any impact.

Description

A kind of circular concrete structures toe board panel guide rail
(One)Technical field
The utility model is related to architectural engineering, more particularly to a kind of circular concrete structures toe board panel guide rail.
(Two)Background technology
With the raising of development and the environmental requirement of national economy, the scale of waterworks and sewage plant constantly expands, greatly The water treatment building of capacity is also increasing therewith to be occurred, and reinforcing bar Xtah Crude Clay structure is still its topmost structure shape at present Formula.Due to being designed as with acclive circular toe board panel, for precision in work progress technological requirement structures bottom plate more Equipment is installed, and is proposed very high requirement to the concrete floor gradient, flatness control, is led because gradient flatness is unqualified It is common quality problems in concrete engineering construction to cause equipment install failure to carry out secondary do over again to bottom plate, and this will be directly affected The construction quality of concrete structures bottom plate, and cause substantial amounts of human and material resources, the loss of financial resources.
Such as preliminary sedimentation tank, sludge concentration tank, second pond belong to circular concrete structures toe board panel, such as sludge condensation Bottom of pond plate radius is 9m, and the gradient has reached 9 °, and the control of bottom board slope deviation requirement is interior 15 ', using band line conventional at present Method or clump mark have been extremely difficult to its requirement, and by circular adjustable gib placement technology and the detachable skill of guide rail bearing The circular levelling construction technology of concrete structures toe board panel guide rail that art is composited there has been extensive popularization and application space.
(Three)Utility model content
The utility model is led to make up the deficiencies in the prior art there is provided a kind of circular concrete structures toe board panel Rail, the guide rail greatly improves construction of bottom plates precision by using guide rail method, control bottom board slope and flatness construction quality.For Reinforcing bar guide rail sets adjustable support, the absolute altitude of every is strictly controlled, it is ensured that bottom board slope meets the requirements.
The utility model is achieved by the following technical solution:
A kind of circular concrete structures toe board panel guide rail, it is characterized in that:Including the center rotation being vertically arranged Darby is set on rotating shaft, centre rotational axis, and darby is disposed radially, height-adjustable guide rail bearing is installed on the darby.
Supporting guide bearing, supporting guide bearing and Rail mount structures class are set between guide rail bearing and centre rotational axis Seemingly.Guide rail bearing includes setting tingle, fixing nut respectively on screw rod, screw rod with supporting guide bearing.Tingle Interior setting reinforcing bar guide rail.
Some fixing nuts are set on screw rod, and an at least fixing nut is connected with dowel.
It is preferred that, fixing nut have above and below two.
Bottom plate, bed course are set below darby, and bed course is wedge shape.
Channel-section steel is set above darby.
The described circular levelling construction of concrete structures toe board panel guide rail, comprises the following steps:
(1)Preparation of construction;
Surveying and locating:The setting-out quantity and precision of guide rail dowel point, will directly influence the installation quality and effect of guide rail, To ensure the installation quality of guide rail, survey crew should use total powerstation hole-specifically to carry out setting-out according to track dowel design requirement, And mark is carried out, to ensure the installation progress of dowel;
(2)Guide rail dowel is pre-buried to be set:The embedded of guide rail dowel includes drilling, buried;
(3)Reinforcing bar colligation:To ensure that floor elevation is accurate and flatness meets the requirements, protective layer thickness, the reinforcing bar of bottom plate Skeleton size must meet between design requirement, two layers of reinforcing bar of bottom plate, and skeleton spacing is controlled using welded reinforcement split heads;
(4)Guide rail is installed:To ensure the stabilization at absolute altitude control point, nut and dowel are welded and screw rod is screwed into, optionally A fixing nut can be added, then again be screwed into adjustment rail height nut and with spirit level adjusting nut highly;
(5)Guide rail absolute altitude is checked:Absolute altitude control point, the absolute altitude precision of reinforcing bar guide rail are to determine bottom board slope and flatness Control selector, in concreting process, should carry out secondary repetition measurement, after confirmation is errorless to absolute altitude control point and reinforcing bar guide rail Preliminary levelling process can be carried out;
(6)Concreting:Due to being inclined bottom plate, slump should not be excessive, and the larger plate of thickness, which should be layered, to be poured Build, be layered and vibrate, vibrating should be fully closely knit;
(7)Bottom plate slightly looks for slope:When pouring, in bottom plate band line and underplate concrete should be carried out thick levelling;
(8)Bottom plate essence looks for slope:After concrete vibrating is closely knit, flat surface is scraped repeatedly along reinforcing bar guide rail with darby, and arrange people Work is repaired to undesirable part with wooden float following darby closely, and equating is carried out at protrusion, coagulation is filled up in recess Soil, it is levelling after by reinforcing bar guide rail from concrete go out, the cement mortar on surface is wiped clean with wet cloth, in case next time uses;
(9)Bottom plate press polish.
The beneficial effects of the utility model are:The utility model is by using guide rail method, control bottom board slope and flatness Construction quality, greatly improves construction of bottom plates precision, and flatness deviation average value is controlled in 2mm, and maximum deviation is 3mm, the gradient Deviation control 10 ' -15 ' within;Adjustable support is set for reinforcing bar guide rail, the absolute altitude of every strictly controlled, it is ensured that bottom The plate gradient meets the requirements;Ensure the construction quality of circular bottom plate as guide rail by flexible reinforcing bar, improve circular base printed line Type quality, is that the construction of later stage pool wall is laid a solid foundation;Using dismountable reinforcing bar guide rail, it can directly remove, subtract after construction Few later stage repairing, the presentation quality to concrete floor hardly has any impact, and prevents baseplate reinforcing bar from corroding.
(Four)Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the structural representation of the circular concrete structures toe board panel guide rail of the utility model;
Accompanying drawing 2 is the utility model construction floor map;
Accompanying drawing 3 is dowel of the present utility model and screw rod link schematic diagram;
Accompanying drawing 4 is central shaft bearing foundation plan of the present utility model;
Accompanying drawing 5 is centre bearing basic schematic of the present utility model;
Accompanying drawing 6 is reinforcing bar rail brackets way schematic diagram of the present utility model;
Accompanying drawing 7 is channel-section steel darby schematic diagram of the present utility model;
In figure, 1 centre rotational axis, 2 darbys, 3 guide rail bearings, 4 supporting guide bearings, 5 screw rods, 6 tingles, 7 dowels, 8 bottom plates, 9 bed courses, 10 channel-section steels, 11 bearing blocks, 12 bearing blocks basis, 13 anchor bolts, 14 central tubes, 15 steel pipes.
(Five)Embodiment
The embodiment includes setting darby 2 on the centre rotational axis 1 being vertically arranged, centre rotational axis 1, and darby 2 is radially Set, height-adjustable guide rail bearing 3 is installed on the darby 2.Support is set to lead between guide rail bearing and centre rotational axis Rail bearing 4, supporting guide bearing 4 is similar with the structure of guide rail bearing 3.Guide rail bearing 3 includes screw rod 5 with supporting guide bearing 4, Tingle 6, fixing nut are set respectively on screw rod 5.Reinforcing bar guide rail is set in tingle 6.
Some fixing nuts are set on screw rod 5, and an at least fixing nut is connected with dowel 7.It is preferred that, above and below fixing nut has Two.The lower section of darby 2 sets bottom plate 8, bed course 9, and bed course 9 is wedge shape.Darby 2 sets channel-section steel 10 above.
Technological principle:The major measure on slope is looked for as bottom plate 8 by using adjustable detachable reinforcing bar guide rail, is used Lengthening the progress concrete of darby 2 looks for slope and surface smoothness to control, and the guide rail that can be adjusted by nut is welded on baseplate reinforcing bar Support solves the problem of absolute altitude control point should not be controlled in work progress, makes the concrete floor gradient as absolute altitude control point And surface smoothness control is more accurate, and the line style of circular bottom plate is controlled by circular guideway.To concrete polishing, carry The key procedures such as slurry tighten control, it is ensured that real outer light in concrete floor, surface smoothness meets strict requirements.
Construction technology process:Preparation of construction → surveying and locating → guide rail dowel is pre-buried to be set → and reinforcing bar colligation → guide rail installs → Guide rail absolute altitude check → concreting → bottom plate slightly looks for slope → bottom plate essence to look for slope → bottom plate press polish → concrete curing → finished product Protection.
Key points for operation:
1.1 surveying and locating
The setting-out quantity and precision of guide rail dowel point, will directly influence the installation quality and effect of guide rail.To ensure to lead The installation quality of rail, survey crew should use total powerstation hole-specifically to carry out setting-out according to track dowel design requirement, and carry out mark Know, to ensure the installation progress of dowel.
The problem of should be noted the following is the setting-out of guide rail dowel point:
(1)Dowel point spacing should be not more than 1.5m, be advisable with 1m, to ensure the installation quality of arc-shaped guide rail reinforcing bar.
(2)Dowel point setting-out error should be not more than ± 3mm, and must repetition measurement one time, it is to avoid because of dowel position deviation Influence quality of guide rail.
(3)The setting-out of dowel point position must be completed before reinforcing bar colligation starts, and prevent matter of being constructed after reinforcing bar colligation to setting-out The influence of amount.
(4)If circular bottom plate radius is larger, dowel point can be added at 1/2 radius, dowel point spacing can suitably increase.
1.2 guide rail dowels are pre-buried to be set
The embedded of guide rail dowel is divided into drilling, buries two steps, and construction requirement is as follows:
(1)Drilling.Drilled it is required that operation team puts in strict accordance with measurement, drilling carries out pore-creating using hand air drill, Drilling hole position deviation is asked to cannot be greater than 5mm, hole depth is 30cm.
(2)Guide supporting dowel is buried.Dowel 7 should select φ 12 reinforcing bar, and reinforcing bar should be straight, and not handy bending is not straight Leftover pieces replace.Dowel 7 is installed to be anchored using M20 mortars.To ensure the installation accuracy of guide rail, it is desired to which dowel 7 is buried If carrying out repetition measurement with total powerstation immediately after complete, pinpoint the problems to correct in time.
1.3 reinforcing bar colligations
(1)To ensure that floor elevation is accurate and flatness meets the requirements, the protective layer thickness of bottom plate 8, framework of steel reinforcement size Design requirement must be met;Between two layers of reinforcing bar of bottom plate 8, skeleton spacing is controlled using welded reinforcement split heads.
(2)Its stacked position and interspersed order are considered as during reinforcing bar setting-out, is determined to add according to the occupy-place Relationship Between Vessels of reinforcing bar Chinese musical scale cun, to ensure that reinforcing bar length, position are accurate and protective layer thickness meets the requirements.Emphasis is answered to consider cross coupling, many beams in length and breadth Reinforcing bar arrangement mode at joint, using the accurate setting-out of area of computer aided and can draw node diagram if necessary, prevent because of reinforcing bar The number of plies is more to cause post root and intersection concrete to raise.
(3)During reinforcing bar colligation, previously embedded dowel 7 should reliably be welded with baseplate reinforcing bar, it is ensured that the stability of dowel 7.
1.4 guide rails are installed
The installation of guide rail will directly affect this engineering method construction quality, be the process of most critical in whole toe board panel construction, Success or failure to whole engineering play a crucial factor, its quality control should be noted it is following some:
(1)The whole audience is answered to set up accurate vertical control network.According to peripheral path upper level bench mark, survey set 1 it is third Closed leveling line, translocation goes out place and lays construction level control point height.
(2)By to office work management, it is considered to the key element such as floor level, darby width, channel-section steel width, screw rod is accurately calculated Top mark it is high.
(3)Absolute altitude control uses M10 nut and screw rod.To ensure the stabilization at absolute altitude control point, by nut and dowel Weld and be screwed into screw rod, can optionally add a fixing nut, the nut of adjustment rail height is then screwed into again and level is used Instrument adjusting nut height, is marked to the screw rod point red paint that adjustment is finished.Survey crew should be carried out to control point 100% repetition measurement, it is ensured that it is accurate that absolute altitude control is netted.
(4)A stable central shaft bearing basis, including bearing block 11 are taken out in the central tube completed with steel pipe, Bearing block 11 is on bearing block basis 12, by anchor bolt 13, and 12 peripheral hardwares of bearing block basis install central tube 14, by Heart rotary shaft installs fixation, and ensures that the center of bearing block 11 is circular bottom plate pivot, meets inspection with plumb line, then The steel pipe 15 being consistent with bearing bore diameter is passed through into bearing, and with bearing bore diameter firm welding and not damaging bearing, steel pipe 15 is true Protect vertical and detected with guiding ruler.And the bell and spigot of a channel-section steel is stayed on steel pipe 15, channel-section steel darby is inserted into socket in the future.
(5)To ensure that structure stress reinforcing bar is not soldered damage, and ensure absolute altitude control point not because of the steel in structural slab Muscle is influenceed generation elastic deformation by construction loads and influences the precision at control point, and the adjustable nut of reinforcing bar guide rail is welded on into dowel On.After slab muscle colligation is finished, head is carried into tingle(2mm steel plates are processed)M10 screw rods be screwed into nut, And absolute altitude is adjusted to suitable position using spirit level one by one, then it will require that the curved good round steel of φ 20 is led according to radian in advance Rail clip is fixed in the clip, and imposes electric welding fixation.
(6)Absolute altitude control point, the absolute altitude precision of reinforcing bar guide rail are to determine bottom board slope and the control selector of flatness. In concreting process, secondary repetition measurement should be carried out to absolute altitude control point and reinforcing bar guide rail, can be carried out after confirmation is errorless preliminary Levelling process.
(7)Darby used in this guide rail is to be welded with channel-section steel with aluminium alloy darby, when darby is welded, should be passed through in advance Design is calculated, and determines the welding position of darby, and marking in channel-section steel.Darby should be with channel-section steel full weld during welding.
1.5 construction of bottom plates
(1)Concrete pours and slightly looks for slope due to being inclined bottom plate, unsuitable excessive, the larger plate of thickness of slump Placement layer by layer, layering is answered to vibrate, vibrating should be fully closely knit.When pouring, in bottom plate band line and underplate concrete should slightly be looked for It is flat.
(2)After bottom plate essence looks for slope and press polish concrete vibrating closely knit, flat surface is scraped repeatedly along reinforcing bar guide rail with darby 2, and Arrange it is artificial undesirable part is repaired with wooden float following darby closely, equating is carried out at protrusion, is filled out in recess Mend concrete.After levelling by reinforcing bar guide rail from concrete go out, the cement mortar on surface is wiped clean with wet cloth, in case next time makes With.Smearing for concrete surface presses receipts light that multipass should be divided to carry out, it is ensured that surface is smooth.First pass smears pressure:After being struck off on surface, Being exerted oneself with wooden float, it is flat to rub with the hands.Smear pressure second time:Pressure is smeared with machinery one time, until pulp.Smear pressure 3rd time:Work as facing concrete Start to condense, when having footprint on surface layer but not sinking, carry out mechanical 3rd time and smear pressure.Pit, sand holes are tamped floating, must not leaked Pressure.Smear pressure 4th time:When people steps on slightly footprint, plasterer's trowel, which is smeared, is pressed without mechanical 4th time press polish when smearing trace, is carried out, and this time is wanted It is repeated, all lines is flattened press polish, reach that facing surface is closely knit bright and clean, should controls to complete before concrete final set.Machine During tool press polish, finisher blade angle should be adjusted according to surface layer hardenability, at least carry out 3 times receipts light operations, edge is used Plasterer's trowel press polish.It should wear soft sole carrying out smearing pressure sessions for the 4th time and enter, in order to avoid destruction surface layer.Carry out the 3rd time and smear pressure When, quality inspection personnel, which is marched into the arena, goes through flatness and bright and clean situation with guiding ruler, and for undesirable position, one is entered with finisher Reality is smeared in step press polish.Also need to process repairing at out-of-flatness by hand floating.
Quality assurance measure:1st, guide rail install must be carried out after other process installations it is disturbed to prevent, and The installation accuracy for scraping rail is checked again before concreting, occur disturbing should correct and reinforce in time.2nd, guide rail is filled It is front and rear to carry out repeatedly independent measurement, it is ensured that to carry out next step construction after errorless again.If the 3, circular bottom plate radius is excessive, palpus Support nose girder is added at 1/2 radius, if optionally should continue greatly to add support nose girder again along radial direction.4th, guide rail branch Support body system must carry out Mechanics Calculation, and whether checking guide supporting System Design is reasonable, safety.5th, absolute altitude control point is to ensure plate The protection work for controlling absolute altitude reinforcing bar is carried out in the major measure of flatness, work progress, and ensures the stabilization at control point Property.6th, after concreting is finished, enclosing or warning line are set up in surrounding, control unrelated person enters, and concrete strength does not reach To 1.2MPa and do not carry out before safeguard measure, forbid upper people's operation on plate.7th, covering curing personnel must wear soft sole, in order to avoid Onboard leave footprints.8th, during concreting, it should which fast insert is pulled out slowly, to prevent concrete delamination is isolated toward meaning from keeping vibration The spacing distance of rod, vibrating time is typically advisable between 5s~15s, and the mobile spacing of vibrating head does not exceed it and vibrated 3.75 times of radius.9th, slump should select slump is of a relatively high to mix in the case of no particular/special requirement Solidifying soil, so as to warehouse and scraper plate shaving.10th, finisher time started of wiping one's face should be placed on mixed before concrete initial set with finisher Do not cause on solidifying soil face under concrete, it is heavy be defined, generally 2~3h.11st, the process of wiping one's face should be examined with the long guiding rulers of 1.5m in time Look into, to handle the concrete surface not up to required at any time.Economic benefit:
The circular levelling construction of concrete toe board panel guide rail is compared with common toe board panel leveling method, due to its work Method material therefor can be recycled fully, and toe board panel can one-shot forming do over again without secondary, reduce equipment dismounting and return The artificial and fee of material of work, thus structures construction cost is reduced on the whole.The levelling construction method cost of guide rail is relatively conventional Band collimation method cost-effective more than 25%, therefore the circular levelling construction method of concrete structures toe board panel guide rail is in economy It is substantially better than normal tape collimation method.By taking preliminary sedimentation tank engineering as an example, subtracted using the toe board panel construction for comparing traditional after this engineering method Artificial 14 people is lacked, for each person every day 220 yuan of cost, the number of days 5 days of doing over again, altogether cost-effective 15400 yuan, equipment two It is secondary to dismount and have bad luck 23800 yuan of expense, cost-effective 39200 yuan are amounted to, preliminary sedimentation tank concrete works amount is at least 758m3, 51.7 yuan cost-effective equivalent to every side's concrete, form preferable economic benefit.
Social benefit:1st, circular adjustable gib placement technology and guide rail bearing disassembly technology, can be according to reality Situation and engineering design need, in the great construction quality for improving circular toe board panel, to meet the installation requirement of close equipment, It is a kind of innovative technology, has filled up the blank of the levelling technology of toe board panel essence, with the popularization and application of the technology, will promote significantly The development of the circle toe board panel concrete structures such as sewage treatment plant.2nd, the levelling construction technology of toe board panel guide rail causes structure Thing bottom plate one-shot forming is built, and fully meets installation requirement, the construction quality to whole engineering is greatly improved, and the duration has obtained bright Aobvious guarantee.3rd, energy-conservation and environmental protection:Because the levelling construction of toe board panel guide rail employs guide rail bearing disassembly technology, The most of scene that has drawn from of material in work progress, and can recycle, reduce machinery input compared to other arrangement and method for construction Rate, substantially, and using after guide rail bearing disassembly technology, bottom plate one-shot forming effect is good, structure coagulation for effects of energy conservation and environmental protection Native mortar pressed finish can no longer carry out facing concrete and pour or do other decorative layers, it is to avoid the corrosion of baseplate reinforcing bar is to structure two Secondary destruction and the secondary pollution of water quality, in environmental protection increasingly urgent today, this characteristic has imponderable potential economic effect Benefit.

Claims (3)

1. a kind of circular concrete structures toe board panel guide rail, it is characterised in that:Including the centre rotational axis being vertically arranged, in Darby is set in heart rotary shaft, and darby is disposed radially, height-adjustable guide rail bearing is installed on the darby;Guide rail bearing Including screw rod, tingle, fixing nut are set respectively on screw rod;Some fixing nuts are set on screw rod, and at least one fixes spiral shell Mother is connected with dowel;Bottom plate, bed course are set below darby, and bed course is wedge shape;Branch is set between guide rail bearing and centre rotational axis Support and tingle, fixing nut are set respectively on guide rail bearing, screw rod.
2. circular concrete structures toe board panel guide rail according to claim 1, it is characterised in that:On fixing nut has Lower two.
3. circular concrete structures toe board panel guide rail according to claim 1, it is characterised in that:Set above darby Channel-section steel.
CN201620922402.1U 2016-08-23 2016-08-23 A kind of circular concrete structures toe board panel guide rail Active CN206428716U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112482400A (en) * 2020-11-20 2021-03-12 浙江世润建创科技发展有限公司 One-step groove excavation forming construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112482400A (en) * 2020-11-20 2021-03-12 浙江世润建创科技发展有限公司 One-step groove excavation forming construction method

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