CN107059932A - One kind combination well lid and preparation method thereof - Google Patents
One kind combination well lid and preparation method thereof Download PDFInfo
- Publication number
- CN107059932A CN107059932A CN201710398646.3A CN201710398646A CN107059932A CN 107059932 A CN107059932 A CN 107059932A CN 201710398646 A CN201710398646 A CN 201710398646A CN 107059932 A CN107059932 A CN 107059932A
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- China
- Prior art keywords
- well
- box hat
- cover body
- manhole cover
- well seat
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- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000004567 concrete Substances 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 37
- 239000010703 silicon Substances 0.000 claims description 37
- 229910052710 silicon Inorganic materials 0.000 claims description 37
- 229920002748 Basalt fiber Polymers 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 239000004568 cement Substances 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 2
- 239000011435 rock Substances 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005266 casting Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
- B28B7/186—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for plates, panels or similar sheet- or disc-shaped objects, also flat oblong moulded articles with lateral openings, e.g. panels with openings for doors or windows, grated girders
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to one kind combination well lid and preparation method thereof, combination well lid includes manhole cover body and well seat, and manhole cover body covers well head, and well seat is fixed on well head, for laying well lid；The well seat includes bottom annulus and top annulus, and the ring width of bottom annulus is more than the ring width of top annulus, and the annular diameters of bottom annulus are less than the annular diameters of top annulus；The concrete block that the manhole cover body includes the box hat of the hollow cylindrical of bottom seal and is filled in box hat, it is fixedly connected with box hat inner bottom surface and takes the lead peg, and it is provided with preformed hole, vertical steel tube is provided with preformed hole, the aperture of preformed hole is equal with the internal diameter of steel pipe, box hat preformed hole and steel tube inner hole formation mounting hole.The present invention not only has active anti-theft, and it is simple, time saving and energy saving to make, and load-bearing property is excellent, is difficult to rock, driving noise is small, safety.
Description
Technical field
The present invention relates to one kind combination well lid and preparation method thereof.
Background technology
The road administration well lid sold in the market mainly has casting iron well lid, concrete manhole cover, stainless steel well lid and organic
Combined manhole cover.Casting iron well lid is high due to recovery value, easily stolen, and well lid is lost and is likely to result in pedestrian's pendant well and traffic thing
Therefore, seriously threaten road safety；The appearance of normal concrete well lid improves the stolen bad phenomenon of well lid, but its service life
Short, easy loss, causes well lid to be changed frequent；Steel fibre concrete manhole as normal concrete well lid improved products, because excellent
Good performance and be applied to rapidly in Municipal Road Engineering, but steel fibre concrete manhole and normal concrete well lid one
Sample, inside is needed to add the bar-mat reinforcement of welding, and form removal is needed after pouring shaping, take time and effort, cost it is high, while well lid cracking resistance,
Impervious poor, internal bar-mat reinforcement and steel fibre are easily by corrosion after rainwater and sewage infiltration；Stainless steel well lid needs additional horizontal stroke
To reinforcing bar as shear connector, material and human cost are added；The easy aging of organic composite well lid, durability is poor, and matter
Amount is lighter than concrete manhole cover and casting iron well lid, easily rocks, sinks when vehicle is rolled, there is driving noise and potential safety hazard etc. and ask
Topic.
The content of the invention
The present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the technical problems to be solved by the invention are
A kind of combination well lid and preparation method thereof is provided, not only with active anti-theft, it is simple, time saving and energy saving to make, and bearing
Can be excellent, it is difficult to rock, driving noise is small, safety.
In order to solve the above-mentioned technical problem, the technical scheme is that：One kind combination well lid, it is characterised in that：Including
Manhole cover body and well seat, manhole cover body cover well head, and well seat is fixed on well head, for laying well lid；The well seat includes bottom
Annulus and top annulus, the ring width of bottom annulus are more than the ring width of top annulus, and the annular diameters of bottom annulus are justified less than top
The annular diameters of ring；The concrete that the manhole cover body includes the box hat of the hollow cylindrical of bottom seal and is filled in box hat
It is fixedly connected with block, box hat inner bottom surface and takes the lead peg, and is provided with preformed hole, preformed hole and is provided with vertical steel tube, preformed hole
Aperture it is equal with the internal diameter of steel pipe, box hat preformed hole and steel tube inner hole formation mounting hole.
Further, well seat is made up of the chopped Basalt fiber concrete mixed with silicon ash.
Further, the concrete block of manhole cover body is made up of the chopped Basalt fiber concrete mixed with silicon ash.
Further, well seat is made up of the chopped Basalt fiber concrete mixed with silicon ash；The concrete block of manhole cover body
It is made up of the chopped Basalt fiber concrete mixed with silicon ash.
Further, the chopped Basalt fiber concrete for mixing silicon ash is made up of the raw material of following weight parts：Cement
400-500 parts, 10-40 parts of silicon ash, 600-800 parts of sand, 1000-1200 parts of rubble, 1-4 parts of high performance water reducing agent of polyocarboxy acid, water
100-200 parts, be chopped 2-11 parts of basalt fibre.
Further, the water reducer is high performance water reducing agent of polyocarboxy acid, active constituent content 20-25%, water-reducing rate 20-
30%；The chopped basalt fibre density 2550-2650kg/m3, fibre length 15-18mm, 15-22 μm of diameter；The silicon ash
Silicon content is 85-98%；The ballast grain sizes scope is 5mm-16mm, continuous grading, clay content<1%；The grain fineness number modulus
2.3-3.7, grain composition belongs to Ith area or IIth area, clay content<2%；The cement is P.O 42.5-52.5, and density is 3100-
3200 kg/m³。
Further, take the lead between peg and box hat, the box hat at preformed hole and welded between steel pipe.
Further, described manhole cover body and well seat form a complete production network, used, and manhole cover body can be tightly embedded intp well
Seat.
Further, the preparation method for combining well lid, comprises the following steps：
1）Make the preparation of manhole cover body
Make the box hat of the hollow cylindrical of bottom seal, box hat inner bottom surface, which is fixedly installed, multiple take the lead peg and open up at least two
Vertical steel pipe is fixedly installed at individual preformed hole, preformed hole；
2）Make the preparation of well seat
Prepare well seat demoulding with standby；
3）Prepare the chopped Basalt fiber concrete for mixing silicon ash
According to design mixture proportion, rubble, sand are first poured into mixer stirring 0.5-1min；Cement, silicon ash are added, 0.5- is stirred
1min；Then chopped basalt fibre is uniformly sprinkled into two times, is often sprinkled into and is once stirred 0.5-1min；Finally by water and water reducer
Mixed solution pour into mixer and be stirred for 2-3min；
4）Pour, vibrate and conserve
By step 3）The concrete of preparation pours into step 1）Box hat in, pour formation of concrete block so that manhole cover body is made, together
When by step 3）The concrete of preparation pours into step 2）In the well seat demoulding being made ready beforehand for, shaping well seat is poured；Vibrate solid, then
Maintenance meets design requirement in 28 days to concrete strength, and well seat maintenance therebetween is stripped after 14 days；
5）Install and anti-corrosion
The well seat after shaping will be conserved, be fixed on well head, then be box hat outer bottom brush corrosion resistant coating to manhole cover body bottom, after paint is dry
Embedded well seat.
Further, there is gap between the inwall of box hat lateral wall and well seat top annulus, and gap is no more than 2mm.
Compared with prior art, the invention has the advantages that：1）Such well lid belongs to combination well lid, relative to casting
Iron well lid, recyclable material is few, and steel plate is hidden in bottom, with active anti-theft；2）Combine manhole cover body manufacturing process without
Formwork and form removal are needed, it is time saving and energy saving；3）Combining manhole cover body does not need additional transverse steel bars as shear connector, passes through welding
Take the lead peg and realize being reliably connected between fiber concrete and steel plate, two kinds of material cooperations of service stage, load-bearing property
It is excellent；4）The steel fibre that combination well lid replaces in the market generally to use using the basalt fibre that is chopped, overcomes the latter and easily occurs
Corrosion and preparation when easily the problems such as unite, while add compactness and impermeability that silicon ash improves concrete, rainwater and dirt
Water is oozed inside erosion well lid in being difficult, and extends service life；5）Combination well lid deadweight is larger, be difficult to rock, and driving noise is small
And it is safer；6）It may be used as urban road, highway, pavement, rainwater, the well lid of bilge well on parking lot.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the embodiment of the present invention；
Fig. 2 is Fig. 1 of embodiment of the present invention 1-1 diagrammatic cross-sections；
Fig. 3 is the manhole cover body schematic top plan view of the embodiment of the present invention；
Fig. 4 is Fig. 3 of embodiment of the present invention 2-2 diagrammatic cross-sections；
Fig. 5 is the well holder structure schematic top plan view of the embodiment of the present invention；
Fig. 6 is Fig. 5 of embodiment of the present invention 3-3 diagrammatic cross-sections.
In figure：1- manhole cover bodies, 2- wells seat, 3- mounting holes, 4- takes the lead peg, 5- tops annulus, 6- bottoms annulus, 7- steel
Shell, 8- preformed holes, 9- steel pipes, 10- concrete blocks.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
One kind combination well lid, including manhole cover body 1 and well seat 2, manhole cover body 1 cover well head, and well seat 2 is fixed on well head,
For laying well lid；The well seat 2 includes bottom annulus 6 and top annulus 5, and the ring width of bottom annulus 6 is more than top annulus 5
Ring width, the annular diameters of bottom annulus 6 are less than the annular diameters of top annulus 5, and well seat 2 is fine by the chopped basalt mixed with silicon ash
Dimension concreting is formed；The manhole cover body 1 includes the box hat 7 of the hollow cylindrical of bottom seal and is filled in hollow cylinder
Interior concrete block 10, concrete block 10 is poured by the chopped Basalt fiber concrete mixed with silicon ash and formed；The inner surface of box hat 7
It is to be provided with preformed hole 8, preformed hole 8 on the shear connector between concrete block 10 and box hat 7, box hat 7 to be welded with and take the lead peg work 4
On be welded with vertical steel tube 9 so that the concrete block 10 poured for after is boxed out, and ventilated as well lid, osculum and maintenance when open hole
With.Described manhole cover body 1 and well seat 2 are formed a complete production network and used, and manhole cover body 1 can be tightly embedded intp well seat 2.
The chopped Basalt fiber concrete for mixing silicon ash is made up of the raw material of following weight parts：400-500 parts of cement,
10-40 parts of silicon ash, 600-800 parts of sand, 1000-1200 parts of rubble, 1-4 parts of high performance water reducing agent of polyocarboxy acid, 100-200 parts of water,
Be chopped 2-11 parts of basalt fibre；The water reducer is high performance water reducing agent of polyocarboxy acid, active constituent content 20-25%, water-reducing rate
20-30%；The chopped basalt fibre density 2550-2650kg/m3, fibre length 15-18mm, 15-22 μm of diameter；It is described
Silicon ash silicon content is 85-98%, and other performance indications are met《Mortar and concrete silicon ash（GB/T 27690-2011）》Will
Ask；The ballast grain sizes scope is 5mm-16mm, continuous grading, clay content<1%, other performance indications are met《Cobble for building,
Rubble（GB/T 14685-2011）》Requirement；The grain fineness number modulus 2.3-3.7, grain composition belongs to Ith area or IIth area, containing mud
Amount<2%, other performance indications are met《Building sand GB/T 14684-2011）》Requirement；The cement is P.O 42.5-
52.5, density is 3100-3200 kg/m3, and other performance indications are met《Common portland cement（GB 175-2007）》Will
Ask.
Further, the preparation method for combining well lid, comprises the following steps：
1）Make the preparation of manhole cover body 1
Make bottom seal hollow cylindrical box hat 7, the inner bottom surface of box hat 7 be fixedly installed it is multiple take the lead peg 4 and open up to
Vertical steel pipe 9 is fixedly installed at few two preformed holes 8, preformed hole 8；
2）Make the preparation of well seat 2
Prepare well seat demoulding with standby；
3）Prepare the chopped Basalt fiber concrete for mixing silicon ash
According to design mixture proportion, rubble, sand are first poured into mixer stirring 0.5-1min；Cement, silicon ash are added, 0.5- is stirred
1min；Then chopped basalt fibre is uniformly sprinkled into two times, is often sprinkled into and is once stirred 0.5-1min；Finally by water and water reducer
Mixed solution pour into mixer and be stirred for 2-3min；
4）Pour, vibrate and conserve
By step 3）The concrete of preparation pours into step 1）Box hat 7 in, formation of concrete block 10 is poured manhole cover body is made
1, while by step 3）The concrete of preparation pours into step 2）In the well seat demoulding being made ready beforehand for, shaping well seat 2 is poured；Vibrate knot
It is real, then conserve 28 days and meet design requirement to concrete strength, 2 maintenance of well seat therebetween is stripped after 14 days；
5）Install and anti-corrosion
The well seat 2 after shaping will be conserved, be fixed on well head, then be the outer bottom brush corrosion resistant coating of box hat 7 to the bottom of manhole cover body 1, paint
Embedded well seat 2 after dry.
Further, there is gap between the inwall of the lateral wall of box hat 7 and well 2 top annulus 5 of seat, and gap is no more than
2mm。
As illustrated, a kind of combination well lid in embodiment, includes manhole cover body 1 and well seat 2, making side of the invention
Method and key step：
1）Make the preparation of manhole cover body 1
The box hat 7 of the hollow cylindrical of bottom seal is made, the bottom thickness of box hat 7 is 3-5mm；The inner bottom surface of box hat 7 is welded with 11
M13*50's takes the lead peg 4 as shear connector, takes the lead the arrangement of peg 4 as shown in figure 3, the inner bottom surface center arrangement of box hat 7
One, 6 are evenly arranged on circumference, circle diameter is to be arranged symmetrically 4 near the 1/2 of the inner bottom surface diameter of box hat 7, the inwall of box hat 7
It is individual；The inner bottom surface of box hat 7 opens up two preformed holes 8, and the center of circle of two preformed holes 8 and the inner bottom surface circle centre position of box hat 7 are straight in same
On line, and the center of circle of two preformed holes 8 is symmetrical relative to the inner bottom surface center of circle of box hat 7, and vertical steel pipe 9, peace are welded at preformed hole 8
Filling hole 3 includes preformed hole 8 and the endoporus of steel pipe 9, a diameter of 40mm of preformed hole 8, the internal diameter of steel pipe 9 of welding and the aperture of preformed hole 8
Unanimously；
2）Make the preparation of well seat 2
Prepare well seat demoulding with standby；
3）Prepare the chopped Basalt fiber concrete for mixing silicon ash
Mixing the chopped Basalt fiber concrete of silicon ash includes the raw material of following weight parts：465 parts of 42.5 cement of P.O, silicon ash 14
Part, 1076 parts of rubble, 688 parts of sand, 3 parts of high performance water reducing agent of polyocarboxy acid, 160 parts of water, be chopped 4 parts of basalt fibre；It is described to subtract
Aqua is high performance water reducing agent of polyocarboxy acid, effective content 25%, water-reducing rate 25%；The chopped basalt fibre density 2650kg/m
3, fibre length 18mm, 15 μm of diameter；The silicon ash silicon content is 90%, and other performance indications are met《Mortar and concrete silicon
Ash（GB/T 27690-2011）》Requirement；The ballast grain sizes scope is 5mm-16mm, continuous grading, clay content<1%, other
Performance indications are met《Cobble for building, rubble（GB/T 14685-2011）》Requirement；The grain fineness number modulus 2.8, clay content
<2%, grain composition belongs to IIth area, and other performance indications are met《Building sand GB/T 14684-2011）》Requirement；The water
Mud is P.O 42.5, and density is 3150 kg/m3, and other performance indications are met《Common portland cement（GB 175-2007）》's
It is required that；
According to design mixture proportion, first rubble, sand pour into mixer stirring 30s；It is subsequently added cement, silicon ash and is stirred for 30s；Then
Chopped basalt fibre is uniformly sprinkled into two times, is often sprinkled into and is once stirred 30 s；Finally the mixed solution of water and water reducer is fallen
Enter mixer and be stirred for 2 min；
4）Pour, vibrate and conserve
By step 3）The concrete of preparation pours into step 1）Box hat 7 in, formation of concrete block 10 is poured manhole cover body is made
1, while by step 3）The concrete of preparation pours into step 2）In the well seat demoulding being made ready beforehand for, shaping well seat 2 is poured；Vibrate knot
It is real, then conserve 28 days and meet design requirement to concrete strength, 2 maintenance of well seat therebetween is stripped after 14 days；
5）Install and anti-corrosion
The well seat 2 after shaping will be conserved, be fixed on well head, then be the outer bottom brush corrosion resistant coating of box hat 7 to the bottom of manhole cover body 1, paint
There is gap between the inwall of embedded well seat 2 after dry, the lateral wall of box hat 7 and well 2 top annulus 5 of seat, and gap is 2mm.
The purpose of the present invention, technical scheme and main points are further described by above-mentioned embodiment, institute
It should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the invention, it is all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. one kind combination well lid, it is characterised in that：Including manhole cover body and well seat, manhole cover body covers well head, and well seat is fixed on
Well head, for laying well lid；The well seat includes bottom annulus and top annulus, and the ring width of bottom annulus is more than top annulus
Ring width, the annular diameters of bottom annulus are less than the annular diameters of top annulus；The manhole cover body includes the hollow of bottom seal
It is fixedly connected with columned box hat and the concrete block being filled in box hat, box hat inner bottom surface and takes the lead peg, and is provided with pre-
Box out, vertical steel tube is provided with preformed hole, the aperture of preformed hole is equal with the internal diameter of steel pipe, box hat preformed hole and steel tube inner hole
Form mounting hole.
2. combination well lid according to claim 1, it is characterised in that：Well seat is mixed by the chopped basalt fibre mixed with silicon ash
Solidifying local soil type into.
3. combination well lid according to claim 1, it is characterised in that：The concrete block of manhole cover body is by mixed with the short of silicon ash
Cut Basalt fiber concrete composition.
4. combination well lid according to claim 1, it is characterised in that：Well seat is mixed by the chopped basalt fibre mixed with silicon ash
Solidifying local soil type into；The concrete block of manhole cover body is made up of the chopped Basalt fiber concrete mixed with silicon ash.
5. the combination well lid according to one of claim 2-4, it is characterised in that：The chopped basalt fibre for mixing silicon ash
Concrete is made up of the raw material of following weight parts：400-500 parts of cement, 10-40 parts of silicon ash, 600-800 parts of sand, rubble 1000-
1200 parts, 1-4 parts of high performance water reducing agent of polyocarboxy acid, 100-200 parts of water, be chopped 2-11 parts of basalt fibre.
6. combination well lid according to claim 5, it is characterised in that：The water reducer is high performance water reducing agent of polyocarboxy acid,
Active constituent content 20-25%, water-reducing rate 20-30%；The chopped basalt fibre density 2550-2650kg/m3, fibre length
15-18mm, 15-22 μm of diameter；The silicon ash silicon content is 85-98%；The ballast grain sizes scope is 5mm-16mm, continuous level
Match somebody with somebody, clay content<1%；The grain fineness number modulus 2.3-3.7, grain composition belongs to Ith area or IIth area, clay content<2%；The cement is
P.O 42.5-52.5, density is 3100-3200 kg/m3.
7. the combination well lid according to one of claim 1-4 or described in 6, it is characterised in that：Take the lead between peg and box hat, reserve
Welded between box hat and steel pipe at hole.
8. the combination well lid according to one of claim 1-4 or described in 6, it is characterised in that：Described manhole cover body and well seat are matched somebody with somebody
Set is produced, used, and manhole cover body can be tightly embedded intp well seat.
9. the preparation method of the combination well lid according to one of claim 6-8, it is characterised in that：Comprise the following steps：
1）Make the preparation of manhole cover body
Make the box hat of the hollow cylindrical of bottom seal, box hat inner bottom surface, which is fixedly installed, multiple take the lead peg and open up at least two
Vertical steel pipe is fixedly installed at individual preformed hole, preformed hole；
Make the preparation of well seat
Prepare well seat demoulding with standby；
3）Prepare the chopped Basalt fiber concrete for mixing silicon ash
According to design mixture proportion, rubble, sand are first poured into mixer stirring 0.5-1min；Cement, silicon ash are added, 0.5- is stirred
1min；Then chopped basalt fibre is uniformly sprinkled into two times, is often sprinkled into and is once stirred 0.5-1min；Finally by water and water reducer
Mixed solution pour into mixer and be stirred for 2-3min；
4）Pour, vibrate and conserve
By step 3）The concrete of preparation pours into step 1）Box hat in, pour formation of concrete block so that manhole cover body is made, together
When by step 3）The concrete of preparation pours into step 2）In the well seat demoulding being made ready beforehand for, shaping well seat is poured；Vibrate solid, then
Maintenance meets design requirement in 28 days to concrete strength, and well seat maintenance therebetween is stripped after 14 days；
Install and anti-corrosion
The well seat after shaping will be conserved, be fixed on well head, then be box hat outer bottom brush corrosion resistant coating to manhole cover body bottom, after paint is dry
Embedded well seat.
10. the preparation method of combination well lid according to claim 9, it is characterised in that：Box hat lateral wall and well seat top
There is gap between the inwall of annulus, and gap is no more than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398646.3A CN107059932A (en) | 2017-05-31 | 2017-05-31 | One kind combination well lid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398646.3A CN107059932A (en) | 2017-05-31 | 2017-05-31 | One kind combination well lid and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107059932A true CN107059932A (en) | 2017-08-18 |
Family
ID=59616747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710398646.3A Pending CN107059932A (en) | 2017-05-31 | 2017-05-31 | One kind combination well lid and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107059932A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386011A (en) * | 2017-08-09 | 2019-02-26 | 临沂大学 | The full ductile cast iron manhole cover of power engineering |
| CN113715138A (en) * | 2021-09-14 | 2021-11-30 | 安庆市天兴特种建材有限责任公司 | A pour mould for cement well lid |
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| CN2416136Y (en) * | 1999-09-15 | 2001-01-24 | 张友闻 | Reinforced concrete manhole cover & base |
| CN2659997Y (en) * | 2003-11-27 | 2004-12-01 | 付剑辉 | Antitheft portal appts. |
| EP1961878A1 (en) * | 2007-02-22 | 2008-08-27 | Kessel GmbH | Manhole ring |
| EP1992743A1 (en) * | 2007-05-14 | 2008-11-19 | Michael Brian Skjott | Manhole cover arrangement |
| CN106337442A (en) * | 2016-10-26 | 2017-01-18 | 福建诚兴新材料科技有限公司 | Reactive powder concrete material manhole cover and manufacturing method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416136Y (en) * | 1999-09-15 | 2001-01-24 | 张友闻 | Reinforced concrete manhole cover & base |
| CN2659997Y (en) * | 2003-11-27 | 2004-12-01 | 付剑辉 | Antitheft portal appts. |
| EP1961878A1 (en) * | 2007-02-22 | 2008-08-27 | Kessel GmbH | Manhole ring |
| EP1992743A1 (en) * | 2007-05-14 | 2008-11-19 | Michael Brian Skjott | Manhole cover arrangement |
| CN106337442A (en) * | 2016-10-26 | 2017-01-18 | 福建诚兴新材料科技有限公司 | Reactive powder concrete material manhole cover and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386011A (en) * | 2017-08-09 | 2019-02-26 | 临沂大学 | The full ductile cast iron manhole cover of power engineering |
| CN113715138A (en) * | 2021-09-14 | 2021-11-30 | 安庆市天兴特种建材有限责任公司 | A pour mould for cement well lid |
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Application publication date: 20170818 |