CN107165251A - A kind of construction method of drainage system - Google Patents
A kind of construction method of drainage system Download PDFInfo
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- CN107165251A CN107165251A CN201710533139.6A CN201710533139A CN107165251A CN 107165251 A CN107165251 A CN 107165251A CN 201710533139 A CN201710533139 A CN 201710533139A CN 107165251 A CN107165251 A CN 107165251A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a kind of construction method of drainage system, a kind of construction method of drainage system includes the rain pipe base construction set gradually, storm sewer is installed, pipeline is laid, the concrete placings of base, check the construction procedure of well construction, the construction of rain pipe base includes the foundation construction set gradually, form work engineering and the construction procedure of pipeline coagulation earth foundation cast, storm sewer is installed to be prepared before the down tube for including setting gradually, down tube, pipe centering, the construction procedure of four-in-one construction, check that well construction includes the inspection shaft foundation construction set gradually, well body is built by laying bricks or stones, the backfill in inspection shaft week, crib installation and the adjustment to inspection shaft well lid absolute altitude, feasible program is proposed for the construction of drainage system.
Description
Technical field
The present invention relates to water discharge technology, more particularly to a kind of construction method of drainage system.
Background technology
Drainage system, refers to what the facilities such as the processing and discharge of the collection, conveying, water quality of draining were combined into a certain way
It is overall.Drainage system occupies more consequence in the modern life, one of emphasis as urban construction.
The Chinese patent that Authorization Notice No. is CN205839927U, authorized announcement date is on December 28th, 2016 discloses one
Parking lot drainage system is planted, it is mainly discharged moisture unnecessary in parking lot by drainage pipeline.Prior art is mainly provided
The structure of draining, but for how to construct feasible scheme is not proposed.
The content of the invention
It is an object of the invention to provide a kind of construction method of drainage system, a kind of feasible apply is provided for drainage system
Work scheme.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of construction method of drainage system, including the rain pipe base construction that sets gradually, storm sewer are installed, pipeline
Lay, the concrete placings of base, check well construction construction procedure,
The construction of rain pipe base includes the construction of foundation construction, form work engineering and the cast of pipeline coagulation earth foundation set gradually
Step,
Storm sewer installs the construction step of preparation before the down tube for including setting gradually, down tube, pipe centering, four-in-one construction
Suddenly,
Check that well construction includes the inspection shaft foundation construction set gradually, the backfill that well body is built by laying bricks or stones, inspection shaft is all, crib
Installation and the adjustment to inspection shaft well lid absolute altitude.
More preferably：The construction of rain pipe base comprises the following steps：
(1) foundation construction：Ditching, the natural soil layer of bottom of trench is disturbed during ditching, first by ponding and mud eliminating, then rams
It is real, then with rubble or sand bedding course to designed elevation；Place mat thickness placing concrete；
(2) form work engineering：Concrete cushion is checked, surface residue is cleaned and indicates that absolute altitude is qualified, check axis and release
Template sideline and absolute altitude, while surrounding has enough branch modular spaces；Present foundation trench bottom ejection basic sideline during installation, then side
Alignment sideline is stood vertically, and is corrected with horizon rule after side plate top surface level, then with the peaceful nail jail of diagonal brace, side plate it is suitable for reading every
Certain distance nails on joining seam wood；
(3) pipeline coagulation earth foundation is poured into a mould：Pouring strip footing answers staged and layered to be carried out continuously, and does not stay construction joint, each section
Each interlayer should overlap, per segment length 2-3m, make the propulsion that is successively stepped paragraph by paragraph, as height should use string more than 2m when pouring
Cylinder, chute blanking, to prevent concrete from occurring segregation phenomenon；The complete rear surface applications wooden float compacting of concreting rubs flat with the hands,
The concrete poured covers simultaneously appropriate water seasoning at least 7 days in 12h.
More preferably：Storm sewer, which is installed, to be comprised the following steps：
(1) prepare before down tube：Tubing is checked, standard is crack-free, interface misrun, lacks side, while pipe inner and outer surfaces should
It is bright and clean smooth, no honeycomb, slump, dew muscle, hollowing；Armored concrete tube outer surface free from flaw, inside pipe wall fracture width is less than
0.05mm；Base concrete intensity must reach the 50% of design strength grade and cannot be less than 5Mpa；
(2) down tube：The one end of down tube between two inspection shafts, on the basis of pipeline is slowly fallen on down；Pipeline enters ditch
After in groove, ready to accept a higher or a lower post be corrected looks for straight；To entirely it be scrubbed clean inside and outside the mouth of pipe before underwater pipeline stabilizing；Centering dials straight after down tube, in crowbar
Underlay with plank, can not straight cutting in concrete foundation, treat complete under whole pipes between two inspection shafts, check that the gradient can connect after errorless
Mouthful；
(3) pipe centering：Using to center collimation method；
(4) four-in-one is constructed：Deng base concrete reach design strength 50% and not less than after 5Mpa, by underwater pipeline stabilizing, eight
Word concrete, bag joint and smear band etc. four procedures continuously construct；Can not the disconnected operation of compartment；Wash the mouth of pipe and keep wet
Profit, blows slowly when falling pipe and puts down, gently fall under basis, look for straight centering to set right immediately, rolling to regulation absolute altitude；After pipe is surely got well,
Then eight words and bag joint concrete are made a call to, and smear band, it is necessary to make basis, eight words and bag joint concrete and smear band synthesis one
Body.
More preferably：In the laying of pipeline, pipe joint uses rubber ring interface.
More preferably：The rubber that rubber ring interface is used includes internal layer, middle level and outer layer；Internal layer includes 58-
61wt% SEBS, 10-12wt% isotactic poly- PP, 5-8wt% PMMA, 5-8wt% PVA, 5-8wt% PPO, surplus
For filler；Middle level includes 53-55wt% SEBS, 13-15wt% isotactic poly- PP, 9-10wt% PMMA, 9-10wt%'s
PPO, 5-8wt% PEO, surplus are filler；Outer layer includes 50-52wt% SEBS, 14-15wt% isotactic poly- PP, 9-
10wt% PMMA, 9-10wt% PEO, 9-10wt% EVA, surplus are filler.
More preferably：Filler is the mixture of nano-calcium carbonate, white carbon, naphthenic oil and age resistor,
In mass ratio, the filler of internal layer, nano-calcium carbonate, white carbon, the amount ratio of naphthenic oil and age resistor are 10：5-6：
5-8：1-2；
In mass ratio, the filler in middle level, nano-calcium carbonate, white carbon, the amount ratio of naphthenic oil and age resistor are 10：7-8：
5-8：2-3；
In mass ratio, the filler of outer layer, nano-calcium carbonate, white carbon, the amount ratio of naphthenic oil and age resistor are 10：7-8：
9-10：3-4.
More preferably：The rubber that rubber ring interface is used is prepared by the following method：
(1) mixture of internal layer is prepared：SEBS and filler are taken, is stirred and evenly mixed, standing obtains SEBS swelling bodies；Add isotactic
Poly- PP, PMMA, PVA and PPO, are stirred and evenly mixed, and obtain the mixture of internal layer；
(2) mixture in middle level is prepared：SEBS and filler are taken, is stirred and evenly mixed, standing obtains SEBS swelling bodies；Add isotactic
Poly- PP, PMMA, PVA and PPO, are stirred and evenly mixed, and obtain the mixture in middle level；
(3) mixture of outer layer is prepared：SEBS and filler are taken, is stirred and evenly mixed, standing obtains SEBS swelling bodies；Add isotactic
Poly- PP, PMMA, PVA and PPO, are stirred and evenly mixed, and obtain the mixture of outer layer；
(4) rubber is prepared：The mixture of the mixture of internal layer, the mixture in intermediate layer, outer layer is added sequentially to double spiral shells
In bar extruder, extrude, granulate, dry at 160 DEG C -170 DEG C.
More preferably：During the concrete that uses include stone, 35- of the 40-42wt% particle diameter for 15-20mm
37wt% modulus of fineness is 3.0-2.3 sand, 5-6wt% miberal powder, 4-5wt% flyash, 6-7wt% cement, 5-
6wt% water and 1-2wt% functional aid.
In summary, the invention has the advantages that：
1st, structure setting rationally, is constructed rigorous, scheme science, indices meet standard；
2nd, discharge structure seepage of water is good, and water is reduced in drainage procedure and is lost in.
Embodiment
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the protection domain of invention by Patent Law.
Embodiment 1a-1e：Concrete, is prepared by the following method：The water of formula ratio and functional aid are mixed equal
It is even to obtain suspension, then suspension is added in well mixed miberal powder, flyash and cement admixture, after mixing, plus
Enter the sand that stone, modulus of fineness that particle diameter is 15-20mm are 3.0-2.3, be well mixed, produce；Embodiment 1a-1e formula is such as
Shown in table 1.
The embodiment 1a-1e of table 1 formula (unit：kg)
Embodiment 2a-2l：Rubber, is prepared by the following method：By nano-calcium carbonate, white carbon, naphthenic oil and anti-old
Agent is well mixed, and is produced；Embodiment 2a-2l formula is as shown in table 2.
The embodiment 2a-2l of table 2 formula (unit：kg)
Embodiment 3a-3e：Rubber, is prepared by the following method：
(1) mixture of internal layer is prepared：SEBS and embodiment 2a filler are taken, is stirred and evenly mixed, standing obtains SEBS and is swelled
Body；Isotactic poly- PP, PMMA, PVA and PPO are added, stirs and evenly mixs, obtains the mixture of internal layer；
(2) mixture in middle level is prepared：SEBS and embodiment 2e filler are taken, is stirred and evenly mixed, standing obtains SEBS and is swelled
Body；Isotactic poly- PP, PMMA, PVA and PPO are added, stirs and evenly mixs, obtains the mixture in middle level；
(3) mixture of outer layer is prepared：SEBS and embodiment 2m filler are taken, is stirred and evenly mixed, standing obtains SEBS and is swelled
Body；Isotactic poly- PP, PMMA, PVA and PPO are added, stirs and evenly mixs, obtains the mixture of outer layer；
(4) rubber is prepared：The mixture of the mixture of internal layer, the mixture in intermediate layer, outer layer is added sequentially to double spiral shells
In bar extruder, extrude, granulate, dry at 160 DEG C -170 DEG C；
Embodiment 3a-3e formula is as shown in table 3.
The embodiment 3a-3e of table 3 formula (unit：kg)
Embodiment 3f：Rubber, is with embodiment 3a difference, and internal layer uses embodiment 2b filler, and middle level is adopted
With embodiment 2f filler, outer layer uses embodiment 2j filler.
Embodiment 3g：Rubber, is with embodiment 3a difference, and internal layer uses embodiment 2c filler, and middle level is adopted
With embodiment 2g filler, outer layer uses embodiment 2k filler.
Embodiment 3h：Rubber, is with embodiment 3a difference, and internal layer uses embodiment 2d filler, and middle level is adopted
With embodiment 2h filler, outer layer uses embodiment 2l filler.
Embodiment 4：A kind of construction method of drainage system, comprises the following steps：
1st, rain pipe base is constructed
(1) foundation construction：Ditching, the natural soil layer of bottom of trench is disturbed during ditching, first by ponding and mud eliminating, then rams
It is real, then with rubble or sand bedding course to designed elevation；Place mat thickness placing concrete；
(2) form work engineering：Concrete cushion is checked, surface residue is cleaned and indicates that absolute altitude is qualified, check axis and release
Template sideline and absolute altitude, while surrounding has enough branch modular spaces；Present foundation trench bottom ejection basic sideline during installation, then side
Alignment sideline is stood vertically, and is corrected with horizon rule after side plate top surface level, then firm with the peaceful nail of diagonal brace；, should if basis is long
The Side Template at first installation foundation two ends, after correction, then draws logical line side plate is suitable for reading, according to logical line installation side plate again；To prevent
Template deformation during casting concrete, it is ensured that foundation width it is accurate, side plate it is suitable for reading nail at a certain distance joining seam wood；
(3) pipeline coagulation earth foundation is poured into a mould：Pouring strip footing answers staged and layered to be carried out continuously, and does not stay construction joint, each section
Each interlayer should overlap, per segment length 2-3m, make the propulsion that is successively stepped paragraph by paragraph, as height should use string more than 2m when pouring
Cylinder, chute blanking, to prevent concrete from occurring segregation phenomenon；The complete rear surface applications wooden float compacting of concreting rubs flat with the hands,
The concrete poured covers simultaneously appropriate water seasoning at least 7 days in 12h；Concrete answers vibration compacting, each to check part honeybee
Nest area is not more than 400cm2, hole area is not more than 100cm2；
2nd, storm sewer is installed
(1) prepare before down tube：Tubing is checked, standard is crack-free, interface misrun, lacks side, while pipe inner and outer surfaces should
It is bright and clean smooth, no honeycomb, slump, dew muscle, hollowing；Armored concrete tube outer surface free from flaw, inside pipe wall fracture width is less than
0.05mm；Base concrete intensity must reach the 50% of design strength grade and cannot be less than 5Mpa；
(2) down tube：The one end of down tube between two inspection shafts, on the basis of pipeline is slowly fallen on down；Pipeline enters ditch
After in groove, ready to accept a higher or a lower post be corrected looks for straight；To entirely it be scrubbed clean inside and outside the mouth of pipe before underwater pipeline stabilizing；Centering dials straight after down tube, in crowbar
Underlay with plank, can not straight cutting in concrete foundation, treat complete under whole pipes between two inspection shafts, check that the gradient can connect after errorless
Mouthful；
(3) pipe centering：Using to center collimation method, i.e., along the stake of groove both sides Ge Dayi gantry, one piece of level of nail in stake
Plank；Ditch groove center line is made by the hidden stake that measure pipe centerline is reserved before groove, and one is followed closely on each sight rail
Individual center nail, make each center nail line be one with groove center line in the straight line of same vertical plane, during centering, arrived under
Guan Zhongyong horizon rules in ditch are placed in pipe, make the air level of horizon rule placed in the middle；Now, if by center nail line hang down it is vertical
Heavy ball on messenger wire shows to wait subcenter line with ditch groove center line in same vertical plane by the point of bisection of horizon rule
It is interior；
(4) four-in-one is constructed：Deng base concrete reach design strength 50% and not less than after 5Mpa, by underwater pipeline stabilizing, eight
Word concrete, bag joint and smear band etc. four procedures continuously construct；Can not the disconnected operation of compartment；Wash the mouth of pipe and keep wet
Profit, blows slowly when falling pipe and puts down, gently fall under basis, look for straight centering to set right immediately, rolling to regulation absolute altitude；After pipe is surely got well,
Then eight words and bag joint concrete are made a call to, and smear band, it is necessary to make basis, eight words and bag joint concrete and smear band synthesis one
Body；
3rd, pipeline is laid
(1) pipe laying should be carried out after bottom of trench absolute altitude and pipeline foundation quality examination are qualified, right before laying pipeline
Tubing, pipe fitting etc. make a visual examination again, it is found that problematic tubing, pipe fitting must not be used；
(2) tubing should use reliable soft ribbons suspender or steel wire rope sling, steadily descend ditch when hanging and being put into ditch,
Do not collided with furrow bank or bottom of trench fierceness, during down tube tube coupling bellmouth should be made to meet to current direction.Down tube, peace pipe must not disturb pipeline base
Plinth；
(3), should be in pipe both sides to prevent rolling to manage after pipeline is ejected according to surveyor on bed course pipe centerline is in place
Appropriate plus two groups four wedge-shaped concrete pads.Pipeline flowing water face center, elevation should section by section be adjusted during Pipe installing, it is ensured that pipe
Road vertical section elevation and plan-position are accurate.Often after section Guan Yingwei, it should be fixed, to prevent pipe to be subjected to displacement.During underwater pipeline stabilizing,
It is introduced into pipe and checks counterpart, reduces mismatch phenomenon.Bottom height variation is in ± 10mm in pipe, and centre deviation is no more than 10mm,
Bottom mismatch is not more than 3mm in adjacent tubes；
(4) the rubber ring interface that pipe joint is made of embodiment 3a rubber；, should be by bell and spigot during tube coupling counterpart
All debris removed, and scrub, it is then uniform in bellmouth to smear non-oleaginous lubricant.And by rubber ring
Sticky object is wiped clean clearly, and uniform smearing non-oleaginous lubricant；The sealing ring covered on socket should be smoothed out, distortionless.Pacify Guan Shiying
It is uniform to roll in place, loosen after external force, resilience cannot be greater than 10mm, cushion rubber, which is curved heart-shaped or flower-shape (heavy caliber), loads bellmouth
In groove, and pressed one time along whole cushion rubber with hand, it is ensured that cushion rubber various pieces not do not turned round by wing, and uniformity is stuck in groove.Especially
Noting installing top, pulling rate degree should be slow, and should have special messenger to look into cushion rubber to roll into situation, as uneven in found to roll into, should stop top,
Draw, cushion rubber position adjusted with chisel, it is uniform after be further continued for pushing up, draw, cushion rubber is reached the precalculated position of bellmouth.Sealing ring is not drawn
The phenomenons such as existing " fried dough twist ", " vexed nose ", " recessed pocket ", " committing suicide by jumping into a well ", " exposed "；
4th, the concrete placings of base
Pipeline both sides with branch jail is supported with the wooden temporary support of a tree, used in making timber for boats, outside inside formwork erection, template while can install height first
Slightly above design base is basic.Before pouring, dirt slag, the foreign matter in template are removed, template size is examined, the flat base of base needs dabbing to rush
Only, the triangle portion and by the flat base of base being in contact with tubing, after being filled up, consolidated with the concrete mortar of same strength grade, then
Pour base concrete.When pouring concrete simultaneously, it is necessary to which both sides are poured, keep both sides concrete highly consistent, then again with insertion
Formula vibrator tightly vibrates simultaneously from both sides, prevents honeycomb, pitted skin, accomplishes the outer light of interior reality, and the shoulder of floating base two.When vibrating
Protective conduit is answered to be not moved.During casting concrete base, concrete crushing strength test block, indwelling standard maintaining test block number should be stayed
Measure and be：One group, every group 3 pieces is no less than per shift；Often pour 100m3Or per segment length be not more than 100m when, should not be less than one
Group, every group 3 pieces；Concrete placings are finished, health of watering；
5th, well construction is checked
(1) inspection shaft foundation construction
1. not bottomed inspection shaft：Well basis should simultaneously be poured with pipeline foundation；
2. there is bottomed inspection shaft：Should first be constructed well basis, and then ginging reaches pipeline foundation bottom absolute altitude, then pours pipeline
Basis；
3. concrete placings should be carried out by job specfication.After having poured, the curing period of concrete certain time is given.Only when concrete basis
When intensity reaches 1.2MPa, the construction of next procedure --- pipe laying or ginging --- can be carried out；
4. forbid to reserve well location, pipeline of first constructing, then inspection of construction well or first ginging after-pouring concrete bottom plate mistake work
Industry method；
(2) well body is built by laying bricks or stones
Before construction, should water brick or former masonry moistening；
The masonry cement mortar filling of every layer of brick setting is full, and grade of cement mortar must not be less than No. M7.5；
The disposable elevation of bottom built to lime-fly ash aggregate base of building by laying bricks or stones of the borehole wall is advisable, and the secondary height that connects of the borehole wall will be according to applying
The program worked out in work organization design is carried out；
Chute in inspection shaft should simultaneously be built by laying bricks or stones with the borehole wall；
Space should be blocked tightly between the mouth of pipe and the borehole wall of inspection shaft access pipe, when accessing caliber more than 300mm, be laid bricks
Circle is reinforced；
Well inside and outside wall, which is painted, strictly to be carried out by design requirement, and inside and outside wall is painted and must carried out before backfill, and
Bottom is brushed draining the latter wheat-middlings of pit shaft internal water accumulation；
(3) backfill in inspection shaft week
The intensity of Cast-in-place concrete or masonry cement mortar should reach that the intensity rear of design code allows backfill.Forbid with building well
Body is synchronously backfilled；Backfilling material in well week 40cm wide scopes, all should use 6% rendzinas；
Compaction process：1. the backfill around well room, should simultaneously be carried out, the backfill around well room with the backfill of pipeline groove
Backfill inconvenience with pipeline groove is carried out simultaneously when, step should be stayed to connect stubble；2. when each layer of backfill compaction moulding in groove
Afterwards, loosening the soil in the range of 40cm around well room is cut out, changes and fill out 6% good rendzinas of advance mixing, and keeping optimal aqueous
Tamped in the state of amount with battering ram until shaping, will be such that rendzinas is close to after being compacted with the borehole wall；3. it is backfilling and compacted around well room
When should be carried out along well room Central Symmetry, and rammer must not be leaked；4. when entering road structure layer construction, except adopting steamroller
Outside, also dead angle should be rolled to remove using frog hammer or vertical battering ram successively to carrying out benefit rammer in the range of well week 60cm；
(4) crib installation
Well Zhou Jinhang is reinforced：After the completion of road structure layer lime-fly-ash concrete construction, well Zhou Jinhang is reinforced.Specifically do
Method is：1. two-ash broken stones are excavated and (dug to 12% dirt top surface) along well week, put reinforced steel hoop；2. prefabricated reinforced concrete well is placed
Circle, note by Prefabricated Concrete walling crib plan-position and Pass line adjustment it is good (walling crib top to design grade elevation between thickness be road
Face is thick, and walling crib is consistent with brick well room plan-position)；3. pouring C30 concretes well week and being reinforced (must strictly use when pouring concrete
Machinery vibrates)；4. well head is covered with interim cover plate；
(5) to the adjustment of inspection shaft well lid absolute altitude
The adjustment of well lid absolute altitude is carried out after coarse grain formula asphalt paving, and specific practice is：1. all bitumen concretes of well are dug
Remove, expose prefabricated reinforced concrete walling crib；2. according to the actual horizontal slope unwrapping wire that paves of the absolute altitude and paver on adjacent flat stone, it is determined that inspection
Look into the well lid absolute altitude of well；3. manhole cover is placed in prefabricated reinforced concrete walling crib, 4-6 iron wedge types are used in well lid bottom along well week
Plug, unwrapping wire elevation location is adjusted to by well lid top surface；4. it is filled between well lid bottom and prefabricated reinforced concrete walling crib with high grade mortar；
5. often mix up after a well, isolated with going along with sb. to guard him, until mortar reaches to remove after intensity and gone along with sb. to guard him；6. well week is dripped with microlith
Blue or green concrete carries out benefit and filled out, and is tamped with impact rammer, the high 5-10mm of absolute altitude control ratio coarse grain formula bitumen concrete；
During use embodiment 1a concrete.
Embodiment 5：A kind of construction method of drainage system, is with the difference of embodiment 4, during using implement
Example 1b concrete.
Embodiment 6：A kind of construction method of drainage system, is with the difference of embodiment 4, during using implement
Example 1c concrete.
Embodiment 7：A kind of construction method of drainage system, is with the difference of embodiment 4, during using implement
Example 1d concrete.
Embodiment 8：A kind of construction method of drainage system, is with the difference of embodiment 4, during using implement
Example 1e concrete.
Embodiment 9：A kind of construction method of drainage system, is with the difference of embodiment 4, and pipe joint is using real
Apply the rubber ring interface that the rubber of a 3b is made.
Embodiment 10：A kind of construction method of drainage system, is with the difference of embodiment 4, and pipe joint is used
The rubber ring interface that embodiment 3c rubber is made.
Embodiment 11：A kind of construction method of drainage system, is with the difference of embodiment 4, and pipe joint is used
The rubber ring interface that embodiment 3d rubber is made.
Embodiment 12：A kind of construction method of drainage system, is with the difference of embodiment 4, and pipe joint is used
The rubber ring interface that embodiment 3e rubber is made.
Embodiment 13：A kind of construction method of drainage system, is with the difference of embodiment 4, and pipe joint is used
The rubber ring interface that embodiment 3f rubber is made.
Embodiment 14：A kind of construction method of drainage system, is with the difference of embodiment 4, and pipe joint is used
The rubber ring interface that embodiment 3g rubber is made.
Embodiment 15：A kind of construction method of drainage system, is with the difference of embodiment 4, and pipe joint is used
The rubber ring interface that embodiment 3h rubber is made.
Seepage of water is tested
(1) subjects：The pipeline that Example 4-15 has constructed.
(2) content of the test：
The water content of inner-walls of duct is first tested, is then soaked 1 week in water, the high pressure of immersion environmental simulation underground is surveyed
The water content of inner-walls of duct after examination immersion.Calculate the change of moisture content rate before and after immersion, X=(A1-A0) * 100%/A0。
Pipeline is placed on 0 DEG C/40%RH, 25 DEG C/60%RH, a period of time under 40 DEG C/75%RH, then soaked in water
Bubble is stayed overnight, the high pressure of immersion environmental simulation underground, the water content of inner-walls of duct after test immersion.Calculate aqueous before and after soaking
Quantitative change rate, X=(A1-A0) * 100%/A0。
(3) result of the test：As shown in table 4.
The seepage of water test result of table 4
Claims (8)
1. a kind of construction method of drainage system, it is characterised in that the rain pipe base including setting gradually is constructed, storm sewer peace
Dress, the laying of pipeline, the concrete placings of base, the construction procedure for checking well construction,
The construction of rain pipe base includes the construction step of foundation construction, form work engineering and the cast of pipeline coagulation earth foundation set gradually
Suddenly, storm sewer installs preparation before the down tube for including setting gradually, down tube, pipe centering, the construction procedure of four-in-one construction, inspection
Look into well construction include the inspection shaft foundation construction that sets gradually, well body build by laying bricks or stones, the backfill in inspection shaft week, crib installation and
Adjustment to inspection shaft well lid absolute altitude.
2. a kind of construction method of drainage system according to claim 1, it is characterised in that the construction of rain pipe base include with
Lower step：
(1) foundation construction：Ditching, the natural soil layer of bottom of trench is disturbed during ditching, first by ponding and mud eliminating, then tamps, so
Rubble or sand bedding course are used afterwards to designed elevation；Place mat thickness placing concrete；
(2) form work engineering：Concrete cushion is checked, surface residue is cleaned and indicates that absolute altitude is qualified, check axis and release template
Sideline and absolute altitude, while surrounding has enough branch modular spaces；Present foundation trench bottom ejection basic sideline during installation, then side is aligned
Sideline is stood vertically, and is corrected with horizon rule after side plate top surface level, then with the peaceful nail jail of diagonal brace, it is suitable for reading every certain in side plate
Distance nails on joining seam wood；
(3) pipeline coagulation earth foundation is poured into a mould：Pouring strip footing answers staged and layered to be carried out continuously, and does not stay construction joint, each section of each layer
Between should overlap, per segment length 2-3m, make propulsions that be successively stepped paragraph by paragraph, when pouring as highly more than 2m should use tumbling barrel,
Chute blanking, to prevent concrete from occurring segregation phenomenon；The complete rear surface applications wooden float compacting of concreting rubs flat with the hands, has poured
Complete concrete covers simultaneously appropriate water seasoning at least 7 days in 12h.
3. a kind of construction method of drainage system according to claim 1, it is characterised in that storm sewer install include with
Lower step：
(1) prepare before down tube：Tubing is checked, standard is crack-free, interface misrun, lacks side, while pipe inner and outer surfaces should be bright and clean
It is smooth, no honeycomb, slump, dew muscle, hollowing；Armored concrete tube outer surface free from flaw, inside pipe wall fracture width is less than 0.05mm；
Base concrete intensity must reach the 50% of design strength grade and cannot be less than 5Mpa；
(2) down tube：The one end of down tube between two inspection shafts, on the basis of pipeline is slowly fallen on down；Pipeline enters in groove
Afterwards, ready to accept a higher or a lower post be corrected looks for straight；To entirely it be scrubbed clean inside and outside the mouth of pipe before underwater pipeline stabilizing；Centering dials straight after down tube, in crowbar underlay
With plank, can not straight cutting in concrete foundation, treat complete under whole pipes between two inspection shafts, check that the gradient can interface after errorless；
(3) pipe centering：Using to center collimation method；
(4) four-in-one is constructed：Deng base concrete reach design strength 50% and not less than after 5Mpa, underwater pipeline stabilizing, eight words are mixed
Coagulate soil, bag joint and smear four procedures such as band and continuously construct；Can not the disconnected operation of compartment；Wash the mouth of pipe and keep moistening,
Blow slowly and put down when falling pipe, gently fall under basis, look for straight centering to set right immediately, rolling to regulation absolute altitude；After pipe is surely got well, then
Eight words and bag joint concrete are made a call to, and smear band, it is necessary to make basis, eight words and bag joint concrete and band integrator are smeared.
4. a kind of construction method of drainage system according to claim 1, it is characterised in that in the laying of pipeline, pipeline
Interface uses rubber ring interface.
5. a kind of construction method of drainage system according to claim 4, it is characterised in that the rubber that rubber ring interface is used
Glue includes internal layer, middle level and outer layer,
Internal layer includes 58-61wt% SEBS, 10-12wt% isotactic poly- PP, 5-8wt% PMMA, 5-8wt% PVA, 5-
8wt% PPO, surplus is filler；
Middle level SEBS, 13-15wt% including 53-55wt% isotactic poly- PP, 9-10wt% PMMA, 9-10wt% PPO,
5-8wt% PEO, surplus is filler；
Outer layer SEBS, 14-15wt% including 50-52wt% isotactic poly- PP, 9-10wt% PMMA, 9-10wt% PEO,
9-10wt% EVA, surplus is filler.
6. a kind of construction method of drainage system according to claim 5, it is characterised in that
Filler is the mixture of nano-calcium carbonate, white carbon, naphthenic oil and age resistor,
In mass ratio, the filler of internal layer, nano-calcium carbonate, white carbon, the amount ratio of naphthenic oil and age resistor are 10：5-6：5-8：
1-2；
In mass ratio, the filler in middle level, nano-calcium carbonate, white carbon, the amount ratio of naphthenic oil and age resistor are 10：7-8：5-8：
2-3；
In mass ratio, the filler of outer layer, nano-calcium carbonate, white carbon, the amount ratio of naphthenic oil and age resistor are 10：7-8：9-
10：3-4.
7. a kind of construction method of drainage system according to claim 5, it is characterised in that the rubber that rubber ring interface is used
Glue is prepared by the following method：
(1) mixture of internal layer is prepared：SEBS and filler are taken, is stirred and evenly mixed, standing obtains SEBS swelling bodies；Isotactic is added to gather
PP, PMMA, PVA and PPO, are stirred and evenly mixed, and obtain the mixture of internal layer；
(2) mixture in middle level is prepared：SEBS and filler are taken, is stirred and evenly mixed, standing obtains SEBS swelling bodies；Isotactic is added to gather
PP, PMMA, PVA and PPO, are stirred and evenly mixed, and obtain the mixture in middle level；
(3) mixture of outer layer is prepared：SEBS and filler are taken, is stirred and evenly mixed, standing obtains SEBS swelling bodies；Isotactic is added to gather
PP, PMMA, PVA and PPO, are stirred and evenly mixed, and obtain the mixture of outer layer；
(4) rubber is prepared：The mixture of the mixture of internal layer, the mixture in intermediate layer, outer layer is added sequentially to twin-screw and squeezed
Go out in machine, extrude, granulate, dry at 160 DEG C -170 DEG C.
8. a kind of construction method of drainage system according to claim 1, it is characterised in that during the concrete that uses
Sand that stone that particle diameter including 40-42wt% is 15-20mm, 35-37wt% modulus of fineness are 3.0-2.3,5-6wt%
Miberal powder, 4-5wt% flyash, 6-7wt% cement, 5-6wt% water and 1-2wt% functional aid.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005210A (en) * | 2017-11-29 | 2018-05-08 | 浙江跃龙园林建设有限公司 | A kind of drainage pipeline and its construction method |
| CN108412016A (en) * | 2018-03-15 | 2018-08-17 | 中建五局土木工程有限公司 | Underground tube body assures construction method |
| CN109281370A (en) * | 2018-10-08 | 2019-01-29 | 中国核电工程有限公司 | The drainage system of nuclear power |
| CN111042049A (en) * | 2019-12-30 | 2020-04-21 | 中建港航局集团有限公司 | Rainwater pipe construction process |
| CN113187071A (en) * | 2021-05-27 | 2021-07-30 | 中国建筑第二工程局有限公司 | One-time pouring construction method for rainwater hopper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3703820B2 (en) * | 2003-08-22 | 2005-10-05 | 有限会社しげの | Opening method for installing sewer pipes and opener for installing sewer pipes |
| KR100993580B1 (en) * | 2010-04-09 | 2010-11-10 | 오영재 | Laying method of pipe in water |
| CN103114643A (en) * | 2013-03-04 | 2013-05-22 | 济南城建集团有限公司 | Large-caliber drainage pipeline construction assembly and construction method thereof |
| CN105200878A (en) * | 2015-09-02 | 2015-12-30 | 湖州浩诚环境工程有限公司 | Roadbed and inspection well differential settlement control construction method |
-
2017
- 2017-07-03 CN CN201710533139.6A patent/CN107165251A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3703820B2 (en) * | 2003-08-22 | 2005-10-05 | 有限会社しげの | Opening method for installing sewer pipes and opener for installing sewer pipes |
| KR100993580B1 (en) * | 2010-04-09 | 2010-11-10 | 오영재 | Laying method of pipe in water |
| CN103114643A (en) * | 2013-03-04 | 2013-05-22 | 济南城建集团有限公司 | Large-caliber drainage pipeline construction assembly and construction method thereof |
| CN105200878A (en) * | 2015-09-02 | 2015-12-30 | 湖州浩诚环境工程有限公司 | Roadbed and inspection well differential settlement control construction method |
Non-Patent Citations (5)
| Title |
|---|
| WBIN1618: "室外排水管道安装施工工艺标准", 《百度文库》 * |
| 本书编委会: "《土木从新手到高手》", 31 May 2014 * |
| 李亮: "《混凝土木》", 31 March 2014 * |
| 桃花岛主4: "雨水管开工报告", 《百度文库》 * |
| 蒋金生: "《土建工程施工工艺标准》", 31 March 2006 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005210A (en) * | 2017-11-29 | 2018-05-08 | 浙江跃龙园林建设有限公司 | A kind of drainage pipeline and its construction method |
| CN108412016A (en) * | 2018-03-15 | 2018-08-17 | 中建五局土木工程有限公司 | Underground tube body assures construction method |
| CN109281370A (en) * | 2018-10-08 | 2019-01-29 | 中国核电工程有限公司 | The drainage system of nuclear power |
| CN109281370B (en) * | 2018-10-08 | 2020-09-01 | 中国核电工程有限公司 | Drainage system of nuclear power |
| CN111042049A (en) * | 2019-12-30 | 2020-04-21 | 中建港航局集团有限公司 | Rainwater pipe construction process |
| CN113187071A (en) * | 2021-05-27 | 2021-07-30 | 中国建筑第二工程局有限公司 | One-time pouring construction method for rainwater hopper |
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