CN106567410A - New construction method of municipal road inspection well - Google Patents
New construction method of municipal road inspection well Download PDFInfo
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- CN106567410A CN106567410A CN201610976992.0A CN201610976992A CN106567410A CN 106567410 A CN106567410 A CN 106567410A CN 201610976992 A CN201610976992 A CN 201610976992A CN 106567410 A CN106567410 A CN 106567410A
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- inspection shaft
- well
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- concrete
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- 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
Abstract
The invention discloses a new construction method of a municipal road inspection well. The method is characterized by comprising the following steps: 1) foundation pit soil of the inspection well is excavated; 2) the foundation is treated; 3) widened parts around the inspection well and empty parts between pipe foundations are treated for compaction and leveling; 4) the inspection well is built; and a bearing stratum is filled; 5) a water stabilization basic layer is paved; 6) an opening of the inspection well is temporarily and tightly covered by a wood cover or a steel plate; 7) a bottom layer in asphalt concrete is paved, leveled and rolled; 8) the bottom layer of the asphalt concrete paved around the inspection well is excavated out; 9) a reinforced concrete structural layer is cast at the reverse excavated part in situ; 10) a prefabricated well ring and a well lid are mounted; 11) an asphalt concrete surface layer is cast in situ; and 12) a road basic layer is covered for maintenance. The construction method can effectively reinforce the manual compaction and surface reinforcing treatment of the road foundation around the well to prevent the well periphery sedimentation and the well lid damage so as to achieve the effects of safety and beauty.
Description
Technical field
The present invention relates to urban road construction technical field, more specifically, it relates to a kind of town road inspection shaft
Newly-built construction method.
Background technology
When road structure layer is constructed, underground pipe network and all kinds of inspection shafts have been completed in advance, are carrying out road foundation backfill
When, because road roller cannot be rolled closely near well Zhou Jinhang, cause well Zhou Luji relax leakiness, road be open to traffic one section when
Between after, the mass defect for occurring therewith is depression around inspection shaft, and manhole cover protrudes and loosens, so develop into inspection shaft week
Purse seine shape cracking, well lid loosen damaged, well week pavement structure and the disease such as release, due to the breakage of various degrees, shadow
The sound comfortableness and security for more causing great potential safety hazard, have impact on driving attractive in appearance.
With urban highway traffic net gradually form with it is perfect, due to increasing sharply and various factors for vehicular load
Destruction, old city thoroughfare and urban road far can not meet needs.To the improvement project of old road
It is stepped up.Depression around inspection shaft is damaged, it has also become one of main quality common diseasess of current town road.
The means of science how are adopted, depression around inspection shaft is eliminated, it is ensured that the use function of road and the design of road
Service life, it has also become be engaged in the emphasis brainstorm subject of town road construction enterprises now.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of the newly-built of town road inspection shaft is applied
Work method, the construction method can effectively strengthen the hand compaction to well periphery roadbed and facial consolidation process, it is to avoid well week
Sedimentation and well lid are damaged, and reach safety effect attractive in appearance.
For achieving the above object, the invention provides following technical scheme：A kind of newly-built construction of town road inspection shaft
Method, including following construction procedure：
1）, inspection shaft pit earthwork excavate；
2）, based process, the soil layer weak to inspection shaft foundation bottom process；
3）, neutral gear position is processed between the part widened of inspection shaft periphery and pipeline foundation, tamp smooth；
4）, build inspection shaft by laying bricks or stones, when pit shaft often builds high about 40-60cm by laying bricks or stones, i.e., to well Zhou Jinhang back-fillings in layers and tamp, form holding force
Layer；
5）, pit shaft built by laying bricks or stones rise under roadbase, then carry out cement treated material and pave；
6）, inspection shaft well head wooden cover or steel plate covered tightly temporarily, and carry out the interim sign for burying front position；
7）, carry out on cement treated material paving, flatten, rolling for bottom in bitumen concrete；
8）, bottom in inspection shaft the periphery bitumen concrete of making dug out, excavate in well week 0.8-1.6 rice radiuses, below road surface
Bottom in bitumen concrete in the range of 40cm；
9）, it is anti-around inspection shaft well head dig position cast-in-situ reinforced concrete structure layer, inspection shaft well head periphery is reinforced；
10）, prefabricated walling crib, well lid are installed, acted as a planted agent using masonry of cement mortar under walling crib；
11）, to inspection shaft around, cast-in-place bitumen concrete superficial layer on bottom in bitumen concrete, until under road surface；
12）, roadbase cover health.
The present invention is further arranged to：Step 1）The spy of bottom land pricker is included after construction, to the soft, hard of inspection shaft foundation bottom
Reconnoitred.
The present invention is further arranged to：Step 2）The debris for removing well week are also included, bottom land is flattened；And in construction step
Rapid 4）During also include removing widen the loose soil body and useless fragment of brick.
The present invention is further arranged to：Step 4）Middle supporting course placement in layers, often fills about 20cm and uses electric rammer
Or artificial ramming machine is rammed repeatedly.
The present invention is further arranged to：Step 5）Middle pit shaft is built by laying bricks or stones after rising under roadbase, carries out compactness inspection.
The present invention is further arranged to：Step 5）Construction paves before cement treated material, in the lateral surface depth 15cm model of pit shaft
Enclose one layer of malthoid isolated material of laying, step 9）Construction pour before reinforced concrete structure layer, pit shaft top surface lay one layer of malthoid every
From material so that reinforced concrete structure layer pours rear and pit shaft and forms separation layer.
The present invention is further arranged to：Step 9）In work progress, inspection shaft well head and around anti-position of digging carry out steel
Muscle pricks weldering, and, as cushion block, installation site is accurate, centering for the framework of steel reinforcement basis rest concrete or stone of installation forming；It is right again
The anti-reinforcing bar for digging position carries out steel external mold supporting；Last concrete is poured.
The present invention is further arranged to：Step 10）In when under walling crib crouch cement mortar thickness be less than 2cm when, walling crib
Under only acted as a planted agent using masonry of cement mortar；When the thickness of the cement mortar that crouches under walling crib is more than 2cm, what is exceeded should be mixed using microlith
Solidifying soil pad is sleeping.
The present invention is further arranged to：Step 10）After implementing 3 days, treat that the mortar crouched under walling crib has certain intensity, then pacify
Row's step 11）Implement.
The present invention is further arranged to：Step 11）The first brush sticking layer oil on bottom in bitumen concrete before implementing, then using C30
Or more concrete poured, casting process keeps speed of perfusion uniform, vibrating leakage is shaken cross to shake of uniformly avoid.
In sum, the invention has the advantages that：1）Economic benefit：The reinforced concrete of walling crib periphery is reinforced, it is contemplated that
About 300 yuan/well of increase expense, calculates according to per kilometer of 80 well, increases about 24000 yuan of expense, if not consolidation process, is open to traffic
After a period of time, because subgrade settlement is damaged, well curb well lid is damaged soon by external force to be needed to change, often about 450 yuan of set crib lid/
Well, considers further that is abolished in the damaged road surface cutting of well week and carry out again road surface and repair, it is contemplated that every well also needs about 600 yuan, per of increase expense
The later stage that well is caused repairs and is once accomplished by 1050 yuan/well, and total about 80*1050=84000 is first for expense；Walling crib is changed after repairing,
Run through a period of time, repairing even multiple for the second time may be there is also, cause larger manpower and materials to waste, society
Can affect also worse, so, disposably the economic benefit that walling crib consolidation process is received is also apparent from.2）Social benefit：It is newly-built
Road was open to traffic after operation a period of time, and due to the reason such as vehicular load and road settlement, walling crib surrounding road occurs
Different degrees of sedimentation or road surface radioactivity is ftractureed, and has both affected attractive in appearance, more cause driving to jump the unsafe factors such as car, by well
The compacting of circle periphery roadbed and reinforce, it is to avoid above-mentioned common quality defect, receive good social benefit.
Description of the drawings
Fig. 1 is cast-in-situ reinforced concrete structure figure around inspection shaft.
Reference：1st, pit shaft；2nd, supporting course；3rd, roadbase；31st, bottom in bitumen concrete；32nd, bitumen concrete superficial layer；
4th, cement treated material；5th, reinforced concrete structure layer；6th, walling crib；7th, well lid.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is described in more detail.Wherein identical parts identical
Reference is represented.It should be noted that word "front", "rear", "left", "right", the "up" and "down" used in describing below
The direction in accompanying drawing is referred to, word " bottom surface " and " top surface ", " interior " and " outward " are referred respectively to towards or away from particular elements
The direction of geometric center.
With reference to shown in Fig. 1, a kind of newly-built construction method of town road inspection shaft, its key points for operation are included：
1st, material prepares
Engineering material requested is got all the ready according to schedule substantially before construction, including Commercial Concrete is ordered, reinforcing bar is pricked and is welded into that type is standby, finished product
Steel fibre crib lid and construction auxiliary material etc..
2nd, scene prepares
1）Job site water, with electrically connecting, while preparing night illumination facility；
2）Site road is unimpeded, and construction site answers smooth solid, to meet construction machinery job requirements.
3）Select the storage space of anti-digging up and filling in material.
4）Safe guardrail, security civilization warning sign, direction board, the night red light facility material such as warn is complete.
3rd, technical work prepares
Carry out technical annotation in construction in writing form to workmen and construction safety told somebody what one's real intentions are, specify construction method, quality standard,
Environmental protection, safety operation points for attention etc..
4th, construction material is required
Job site Cast-in-situ Piles in Sand-filling, plain soil, slag, steady layer of water etc. will meet design requirement and use functional requirement；
1）Backfill element soil：Without debris such as rubbish, vegetation, humus in plain soil；
2）Backfill sand：Preferably adopt clean, hard thick, middle sand of the modulus of fineness more than 2.3.Clay content in sand should be less than
3%。
3）Slag is natural crystal exploitation, and within 20cm, clay content can not be more than 30% to size controlling, prevent weathered ore
Material backfill.
4）Steady layer of water is formed using sand, artificial rubble, cement and water according to design proportion mixing, and cement content is more than 3%；
5）Reinforced concrete can live mixing, concrete water mud, sand, stone, additive, admixture, mixing water etc. must Jing
Inspection is qualified can be used.Commercial Concrete may also be employed.
6）Concrete has to comply with design strength requirement, when such as design is not specified, strength grade of concrete being less than not
C30。
7）Construction equipment prepares with equipment：According to Active workings and be backfilling and compacted used material and backfill thickness, choosing
Select construction machinery and equipment.Preparing tamping apparatus has：Frog rammer, vibro-rammer, irony pier hammer, vibrating spear, spade, iron pick etc..
5th, construction procedure
1）, inspection shaft pit earthwork excavate, being excavated to after projected depth the soil layer to bottom land carries out pricker spy, reconnoitres foundation bottom
It is soft, hard.During such as soft base, invite in time geologic prospect, design, the relevant personnel of construction unit confirmed to scene and by
Its requirement is processed, to guarantee that inspection shaft overall structure is not settled and deformed.
2）, based process, the soil layer weak to inspection shaft foundation bottom is processed, and removes the debris in well week, leveling
Bottom land；If it was found that foundation bottom is loose, it is necessary to processed, making foundation bottom solid, to ensure to check the overall work of well area
Cheng Zhiliang, processing mode can be to continue to deep-cut, and then pouring reinforcement concrete forms base plate in foundation bottom；Or using compacting
Mechanical work, makes real pressure coefficient be not less than 95%.
3）, neutral gear position is processed between the part widened of inspection shaft periphery and pipeline foundation, tamp smooth；
4）, build inspection shaft by laying bricks or stones, remove in building process and widen the debris such as the loose soil body and useless fragment of brick；And pit shaft 1 is often built
When building high about 40-60cm, i.e., to well Zhou Jinhang back-fillings in layers and tamp, form supporting course 2；Carrying out the placement in layers of supporting course 2
When, require to carry out the compacting of human assistance mechanical delamination according to each structure sheaf job specfication of road smooth, often fill about 20cm and use
Electric rammer or artificial ramming machine are rammed repeatedly, and reach design and the requirement of specification, make real pressure coefficient be not less than 92%.
5）, pit shaft 1 built by laying bricks or stones rise under roadbase 3, compactness inspection need to be carried out to supporting course 2, overall supporting course 2
Press coefficient to be not less than 92% in fact, then carry out cement treated material 4 and pave；And before the cement treated material 4 that paves, in the lateral surface depth of pit shaft 1
Degree 15cm scopes lay the isolated materials such as one layer of malthoid so that the reinforced concrete structure layer 5 of later stage cast is formed with pit shaft 1 isolates
Layer.
6）, inspection shaft well head wooden cover or steel plate covered tightly temporarily, and the interim sign for burying front position is carried out, by surveying
Amount personnel determine inspection shaft physical location, and are identified with red paint.
7）, carry out on cement treated material 4 paving, flatten, rolling for bottom 31 in bitumen concrete；
8）, inspection shaft periphery done using counter（Dig）Method, bottom 31 in the bitumen concrete of making is dug out, and excavates well week 0.8-
In 1.6 meters of radiuses, bottom 31 in the bitumen concrete below road surface in the range of 40cm；
9）, inspection shaft well head and around it is anti-dig position and carry out reinforcing bar prick weldering, according to the reinforcing bar rule of the framework of steel reinforcement of detail design
Lattice and physical dimension, expect off field, weld and colligation shaping in steel bar meter, are integrally transported to job site using transport vehicle and are pacified
Dress；The cushion block such as the framework of steel reinforcement basis rest concrete of installation forming or stone, installation site is accurate, centering, and reinforcing bar walling crib 6 is pacified
Fill it is in place after, by quality testing, personnel are inspected for acceptance, then carry out steel external mold supporting to the anti-reinforcing bar for digging position, by measurement people
Member checks template elevation using paired-line cross.Last cast-in-situ reinforced concrete structure layer 5, reinforces to inspection shaft well head periphery, makes
Walling crib 6 forms entirety with pavement structure；In addition before reinforced concrete structure layer 5 is poured in construction, in the top surface of pit shaft 1 one layer of malthoid is laid
Deng isolated material so that reinforced concrete structure layer 5 pours rear and pit shaft 1 and forms separation layer.Inspection shaft reinforced-concrete walling crib 6 is once
Pour, the folding template that can freely dismantle is installed in pit shaft 1.Template first checks for the masonry quality of pit shaft 1 before installing, will fold
Template is strutted along the inwall of pit shaft 1, and with paired-line cross template elevation is adjusted,（Design road surface elevation deducts well week and concrete reinforcing body
It is high）, framework of steel reinforcement is laid, the cushion blocks such as framework of steel reinforcement concrete are paved, it is ensured that thickness of protection tier.
10）, prefabricated walling crib 6, well lid 7 are installed, acted as a planted agent using masonry of cement mortar under walling crib 6, to increase stablizing for walling crib 6
Property；When the thickness of the cement mortar that crouches under walling crib is less than 2cm, only acted as a planted agent using masonry of cement mortar under walling crib；When under walling crib
When the thickness of sleeping cement mortar is more than 2cm, what is exceeded should be sleeping using pea gravel concreten pad, installs walling crib 6 and uses paired-line cross side
Method, little line effective length is no less than 2m, and the direction in length and breadth of surface layer along road controls the vertical and horizontal gradient that walling crib 6 is installed.
11）, after walling crib 6 was using masonry of cement mortar planted agent construction 3 days, treat that mortars that walling crib 6 time crouches have certain strong
Degree, then to inspection shaft around, cast-in-place bitumen concrete superficial layer 32 on bottom 31 in bitumen concrete mainly makes walling crib 6 pave and roll
During can keep enough stability, the rupture on the surrounding road surface of walling crib 6 for preventing well head circle unstable and causing.In the drip that paves
Before blue or green concrete superficial layer 32, on-site cleanup work is carried out first, it is ensured that the surface of bottom 31 is clean, dry in bitumen concrete, and to reinforcing
Inspection shaft elevation afterwards is checked, it is ensured that accurate, is paved before bitumen concrete superficial layer 32 within an hour to walling crib 6 weeks
Enclose in bitumen concrete brush sticking layer oil on bottom 31, it is desirable to brush uniform, smear isolation oil on well lid 7, then to around inspection shaft and
Cast-in-place bitumen concrete superficial layer 32 is carried out using C30 or more concrete on bottom 31 in bitumen concrete, is controlled in casting process mixed
Coagulate the slump and speed of perfusion of soil, vibrating leakage is shaken cross to shake of uniformly avoid, until under road surface.The paving process of bitumen concrete superficial layer 32
It is middle to send special messenger that inspection shaft periphery is tamped with hammer ram, it is ensured that well lid 7 and road surface drop-over, flatness requirement meets road marking
It is accurate.
12）, the concrete of roadbase 3 cover in time after surviving and timely and appropriate discovery watering health, health 7 days, during health
Must not trample or stack construction material.
After concrete reaches the 70% of design with foster test block, the folding punching block in manhole shaft 1 will be removed.It is first
First dismantle the plate marked time at position, then lay down swelling nut and bolt, take out from walling crib 6 after finally template is folded.
6 quality controls
1）Excavation slope and substrate should be solid, smooth, stable.Side slope answer it is smooth and not suddenly in detail design require.
2）Foundation ditch backfill must not contain organic matter, frozen soil, the block more than 50mm, must not there is ponding during backfill in foundation ditch.
3）Bottom of foundation ditch soil must not backbreak, disturb, enduring cold, water logging.
4）Concrete surface should be smooth, straight suitable, free from flaw, without the phenomenon such as obvious voids and pits and dew muscle.
5）There must not be the defects such as crackle, disconnected wound and indentation after steel bar meter shaping.Rebar surface should be clean, must not there is rust
The dirts such as erosion, oil stain.After reinforcement welding, commissure is removed without meat, crackle, slag inclusion, welding agent figure for shadow-play is stung.
6）Reinforcement installation position, the clear distance of protective layer meet design requirement.Side is bundled into type, and tying up silk should fasten, and must not have pine
Move, fracture, the phenomenon such as displacement.
7）Model sheetinstallat and support firmly must must not have loosening, run mould, the phenomenon such as sinking.
8）Template and structure cohesion position piece must tight not spillage, template cleaning no-sundries.
9）The interleaving agent brushing of template brushing should be uniform, must not pollute reinforcing bar.
7 performance analyses：
1）Economic benefit：The reinforced concrete of walling crib periphery is reinforced, it is contemplated that increase about 300 yuan/well of expense, according to per kilometer of 80 well meters
Calculate, increase about 24000 yuan of expense, if not consolidation process, after a period of time that is open to traffic, because subgrade settlement is damaged, well curb well lid is received
External force is damaged soon to be needed to change, and often covers crib about 450 yuan/well of lid, and considering further that the damaged road surface cutting of well week is abolished is carried out again
Repair on road surface, it is contemplated that every well also needs about 600 yuan of increase expense, the later stage that every well is caused repairs and is once accomplished by 1050 yuan/well,
Total about 80*1050=84000 is first for expense；Walling crib is changed after repairing, and is run through a period of time, may there is also second
Even multiple repairing, causes larger manpower and materials to waste, and social influence is also worse, so, disposably walling crib is reinforced
The economic benefit that process is received is also apparent from.
2）Social benefit：Newly-built road is open to traffic after operation a period of time, due to the original such as vehicular load and road settlement
Cause, walling crib surrounding road occurs different degrees of sedimentation or road surface radioactivity cracking, has both affected attractive in appearance, more cause driving to jump
The unsafe factors such as car, by tamping to walling crib periphery roadbed and reinforcing, it is to avoid above-mentioned common quality defect, receive good society
Benefit.
8 case histories
1）Dongtou County new city second phase Municipal Road Engineering（Binhai Road, five bridge blocks）Engineering, positioned at Wenzhou City Dongtou County new city
Area（The phase of new city one）To the west of, scope is k0+41.33-k1+380m, and west connects 77 provincial highway traffic cycles, to the east of built landscape,
1.27km is always about, project content includes road, bridge, draining, feedwater, means of transportation and street lighting and afforestation project；
Wherein road is had a lot of social connections 40 meters, is two-way six-lane, using asphalt concrete pavement；Engineering 78772677 yuan of cost of acceptance of the bid, the calendar of duration 720
My god, walling crib periphery is all reinforced using above-mentioned engineering method.
2）The construction contract section of Oujiangkou new district starting area municipal works the 11st, positioned at Wenzhou City Oujiangkou new district starting area.
Into south-north direction, whole construction area is the area that reclaims fields from the sea, and physical features is flat, and original place level ground absolute altitude is about between 2.2 meters ~ 4.5 meters.
Engineering is mainly road surface, lap slab of bridge along the line, platform post processing and bridge floor pitch, plumbing, the cable tube of the roads of Jing tetra- and Jing seven road
Raceway groove, traffic marking and mark basis, traffic signal system pipe laying and basis, street lamp pipeline and streetlamp foundation etc..Engineering is always made
138654922 yuan of valency.The calendar day of duration 300, walling crib perimeter reinforcement is reinforced using reinforced concrete.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of newly-built construction method of town road inspection shaft, is characterized in that：Including following construction procedure：
1）, inspection shaft pit earthwork excavate；
2）, based process, the soil layer weak to inspection shaft foundation bottom process；
3）, neutral gear position is processed between the part widened of inspection shaft periphery and pipeline foundation, tamp smooth；
4）, build inspection shaft by laying bricks or stones, when pit shaft (1) often builds high about 40-60cm by laying bricks or stones, i.e., to well Zhou Jinhang back-fillings in layers and tamp, formed
Supporting course (2)；
5）, pit shaft (1) built by laying bricks or stones rise under roadbase (3), then carry out cement treated material (4) and pave；
6）, inspection shaft well head wooden cover or steel plate covered tightly temporarily, and carry out the interim sign for burying front position；
7）, carry out on cement treated material (4) paving, flatten, rolling for bottom (31) in bitumen concrete；
8）, bottom (31) in inspection shaft the periphery bitumen concrete of making dug out, excavate in well week 0.8-1.6 rice radiuses, road surface
Bottom (31) in bitumen concrete in the range of following 40cm；
9）, it is anti-around inspection shaft well head dig position cast-in-situ reinforced concrete structure layer (5), inspection shaft well head periphery is reinforced；
10）, prefabricated walling crib (6), well lid (7) are installed, walling crib is acted as a planted agent under (6) using masonry of cement mortar；
11）, to inspection shaft around, cast-in-place bitumen concrete superficial layer (32) on bottom (31) in bitumen concrete, until under road surface；
12）, roadbase (3) cover health.
2. the newly-built construction method of town road inspection shaft according to claim 1, is characterized in that：Step 1）Wrap after construction
Included bottom land pricker spy, to inspection shaft foundation bottom it is soft, reconnoitre firmly.
3. the newly-built construction method of town road inspection shaft according to claim 1 and 2, is characterized in that：Step 2）Also wrap
The debris for removing well week are included, bottom land is flattened；And in construction procedure 4）During also include removing widen loose soil
Body and useless fragment of brick.
4. the newly-built construction method of town road inspection shaft according to claim 3, is characterized in that：Step 4）Middle supporting course
(2) placement in layers, often fills about 20cm and is rammed repeatedly with electric rammer or artificial ramming machine.
5. the newly-built construction method of town road inspection shaft according to claim 1, is characterized in that：Step 5）Middle pit shaft
(1) build by laying bricks or stones after rising under roadbase (3), carry out compactness inspection.
6. the newly-built construction method of town road inspection shaft according to claim 5, is characterized in that：Step 5）Construction paves
Before cement treated material (4), in the lateral surface depth 15cm scope of pit shaft (1) isolated materials such as one layer of malthoid, step 9 are laid）Construction
Before pouring reinforced concrete structure layer (5), the isolated materials such as one layer of malthoid are laid in the top surface of pit shaft (1) so that reinforced concrete structure layer (5)
Pour rear and pit shaft (1) and form separation layer.
7. the newly-built construction method of town road inspection shaft according to claim 6, is characterized in that：Step 9）Work progress
In, inspection shaft well head and around it is anti-dig position and carry out reinforcing bar prick weldering, the framework of steel reinforcement basis rest concrete of installation forming or
, as cushion block, installation site is accurate, centering for stone；Again steel external mold supporting is carried out to the anti-reinforcing bar for digging position；Last concrete enters
Row is poured.
8. the newly-built construction method of town road inspection shaft according to claim 1, is characterized in that：Step 10）In work as well
When the thickness of the cement mortar that crouches under circle (6) is less than 2cm, walling crib is only acted as a planted agent under (6) using masonry of cement mortar；When walling crib (6)
When down the thickness of sleeping cement mortar is more than 2cm, what is exceeded should be sleeping using pea gravel concreten pad.
9. the newly-built construction method of town road inspection shaft according to claim 8, is characterized in that：Step 10）Implement 3 days
Afterwards, treat that the mortar crouched under walling crib (6) has certain intensity, then arrange step 11）Implement.
10. the newly-built construction method of town road inspection shaft according to claim 9, is characterized in that：Step 11）Before enforcement
The first brush sticking layer oil on bottom (31) in bitumen concrete, then poured using C30 or more concrete, casting process keeps pouring
Speed is uniform, vibrating leakage is shaken cross to shake of uniformly avoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610976992.0A CN106567410A (en) | 2016-11-07 | 2016-11-07 | New construction method of municipal road inspection well |
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| CN201610976992.0A CN106567410A (en) | 2016-11-07 | 2016-11-07 | New construction method of municipal road inspection well |
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| CN111268963A (en) * | 2019-12-20 | 2020-06-12 | 漳州明威建材发展有限公司 | Road inspection well and manufacturing process and construction method thereof |
| CN111321793A (en) * | 2020-02-26 | 2020-06-23 | 中铁二院工程集团有限责任公司 | Construction method of ballastless track railway roadbed water collecting well |
| CN111779030A (en) * | 2020-06-28 | 2020-10-16 | 中国二十冶集团有限公司 | Wellbore installation method |
| CN112227502A (en) * | 2020-10-28 | 2021-01-15 | 中建七局安装工程有限公司 | Drainage inspection well construction method |
| CN112647543A (en) * | 2021-01-12 | 2021-04-13 | 荆州市路远市政工程有限公司 | Rigid mounting construction method for manhole cover |
| CN114855536A (en) * | 2022-05-31 | 2022-08-05 | 广州市交通设计研究院有限公司 | Method for preventing and treating highway pipeline diseases |
| CN115030224A (en) * | 2022-06-21 | 2022-09-09 | 青岛中润公用事业设计有限责任公司 | Municipal road inspection well and construction method thereof |
| CN115075301A (en) * | 2022-07-20 | 2022-09-20 | 中国二十二冶集团有限公司 | Novel road pipeline well cover and well base and construction and installation method around well |
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| CN111268963A (en) * | 2019-12-20 | 2020-06-12 | 漳州明威建材发展有限公司 | Road inspection well and manufacturing process and construction method thereof |
| CN111321793A (en) * | 2020-02-26 | 2020-06-23 | 中铁二院工程集团有限责任公司 | Construction method of ballastless track railway roadbed water collecting well |
| CN111779030A (en) * | 2020-06-28 | 2020-10-16 | 中国二十冶集团有限公司 | Wellbore installation method |
| CN111779030B (en) * | 2020-06-28 | 2022-03-01 | 中国二十冶集团有限公司 | Wellbore installation method |
| CN112227502A (en) * | 2020-10-28 | 2021-01-15 | 中建七局安装工程有限公司 | Drainage inspection well construction method |
| CN112647543A (en) * | 2021-01-12 | 2021-04-13 | 荆州市路远市政工程有限公司 | Rigid mounting construction method for manhole cover |
| CN114855536A (en) * | 2022-05-31 | 2022-08-05 | 广州市交通设计研究院有限公司 | Method for preventing and treating highway pipeline diseases |
| CN115030224A (en) * | 2022-06-21 | 2022-09-09 | 青岛中润公用事业设计有限责任公司 | Municipal road inspection well and construction method thereof |
| CN115075301A (en) * | 2022-07-20 | 2022-09-20 | 中国二十二冶集团有限公司 | Novel road pipeline well cover and well base and construction and installation method around well |
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