CN207034429U - A kind of jacking construction method low pressure cylinder concrete pipe - Google Patents
A kind of jacking construction method low pressure cylinder concrete pipe Download PDFInfo
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- CN207034429U CN207034429U CN201720936262.8U CN201720936262U CN207034429U CN 207034429 U CN207034429 U CN 207034429U CN 201720936262 U CN201720936262 U CN 201720936262U CN 207034429 U CN207034429 U CN 207034429U
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Abstract
The utility model discloses a kind of jacking construction method low pressure cylinder concrete pipe, include some pipe of concrete main bodys of head and the tail connection successively, double steel bar skeleton is provided with the tube wall of pipe of concrete main body, the steel cylinder being arranged concentrically with pipe of concrete main body is provided between double steel bar skeleton, plug steel ring is fixedly connected with the inside of steel cylinder head end, bellmouth steel loop is fixedly connected with the inside of steel cylinder tail end, some pipe of concrete main bodys are connected from beginning to end successively by the mutual cooperation of plug steel ring and bellmouth steel loop.Set on the outside of tubing both ends and strengthen steel ring, tubing jacking construction process not cracky, enhancing two-port top power, constructed beneficial to relatively long distance, reduce construction and engineering cost；High-frequency excitation power is big, and concrete impervious ability is strong, and bearing Intermediate High Pressure with tubing matches；It can effectively block and be seeped water outside tubing to inside tubing；In pipeline jack-in process, tube hub is not easy to deviate, and pipe joint is not easy to misplace, and without spillage phenomenon in work progress tubing, is greatly easy to smooth construction.
Description
Technical field
Pipe of concrete technical field is the utility model is related to, it particularly relates to a kind of jacking construction method low pressure steel cylinder
Pipe of concrete.
Background technology
JC/T2092-2011 jacking construction methods are poured with being only applicable to vertical vibrating method in low pressure steel cylinder concrete pipe standards
The tubing suitable for jacking construction method is made in filling tube wall concrete formation.Manufacture jacking pressure concrete is molded using vertical vibrating
Following items shortcoming be present in pipe, and 1）Cracky during concrete jacking construction on the outside of tubing both ends, two-port top power weaken, no
Constructed beneficial to relatively long distance；2）Tubing is manufactured using plastic concrete, the ratio of mud is big, and concrete strength will compared with dry concrete
It is low, relatively long distance jacking construction is not suitable for equally；3）It is molded using vertical vibrating method, vibration force will compared with core dither
Small, concrete density is inadequate, and concrete impervious ability is relative weak；4) vertical vibrating moulding process is used, makes often section pipe
Material needs one set of die, and uses the manufacture tubing batch production of core technique only to need one set of die, and vertical vibrating technique is relative to be made
Cost is high, and mould Meteorological is higher by 3-5 times of core technique manufacture；5）Vertical vibrating technique manufactures tubing because of number of molds
More, inconsistent per mold processing technology deviation, product manufacturing quality assurance is poor.
The problem of in correlation technique, effective solution is not yet proposed at present.
Utility model content
For the above-mentioned technical problem in correlation technique, mixed the utility model proposes a kind of jacking construction method with low pressure steel cylinder
Solidifying soil pipe, antiseepage effect of anti-cracking are good.
To realize above-mentioned technical purpose, what the technical solution of the utility model was realized in：
A kind of jacking construction method low pressure cylinder concrete pipe, including some pipe of concrete main bodys of head and the tail connection successively,
Double steel bar skeleton is provided with the tube wall of the pipe of concrete main body, is provided between the double steel bar skeleton and is mixed with described
The steel cylinder that native pipe main body is arranged concentrically is coagulated, plug steel ring, the steel cylinder tail end inner side are fixedly connected with the inside of the steel cylinder head end
Bellmouth steel loop is fixedly connected with, some pipe of concrete main bodys are first successively by the mutual cooperation of plug steel ring and bellmouth steel loop
Tail connects.
Further, on the outside of the head end of the steel cylinder between the double steel bar skeleton and the bellmouth steel loop it is outer
U-shaped reinforcement is each provided between side and the double steel bar skeleton.
Further, two seals groove, the sealed groove and institute are offered in the circumferential direction of the plug steel ring
State and sealed by O-ring seal between bellmouth steel loop.
Further, the plug steel ring offers pressure testing water injection hole between sealed groove described in twice.
Further, it is each provided with strengthening steel ring on the outer tube wall at the pipe of concrete main body head and the tail both ends.
Further, sealing plate is pasted between the tube wall of the adjacent two pipe of concrete main bodys, the sealing plate is glue
Plate or headblock.
Further, it is provided with water-swellable adhesive tape on the outside of the bellmouth steel loop.
The beneficial effects of the utility model：Set on the outside of tubing both ends and strengthen steel ring, tubing jacking construction process is not fragile
Damage, enhancing two-port top power, constructs beneficial to relatively long distance, reduces construction and engineering cost；High-frequency excitation power is big, agent on crack resistance of concrete
It is strong to ooze ability, bearing Intermediate High Pressure with tubing matches；Water-swellable adhesive tape can effectively be blocked and seeped water outside tubing to inside tubing；
In pipeline jack-in process, tube hub is not easy to deviate, and pipe joint is not easy to misplace, without spillage phenomenon in work progress tubing, greatly
Be easy to smooth construction；Conduit running maintenance cost can be significantly reduced, it is significantly comprehensive to improve social benefit and environmental benefit.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the half section of the jacking construction method low pressure cylinder concrete pipe according to the utility model embodiment
Figure；
When Fig. 2 is the more jacking construction method low pressure cylinder concrete pipes connection according to the utility model embodiment
Lateral partial structurtes sectional view.
In figure：
1st, steel cylinder；2nd, O-ring seal；3rd, bellmouth steel loop；4th, plug steel ring；5th, sealing plate；6th, double steel bar skeleton；7、
Water-swellable adhesive tape；8th, U-shaped reinforcement；9th, steel ring is strengthened；10th, pressure testing water injection hole.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
As shown in Figure 1-2, a kind of jacking construction method low pressure steel cylinder concrete according to the utility model embodiment
Pipe, including some pipe of concrete main bodys of head and the tail connection successively, are provided with double steel bar in the tube wall of the pipe of concrete main body
Skeleton 6, the steel cylinder 1 being arranged concentrically with the pipe of concrete main body, the steel cylinder 1 are provided between the double steel bar skeleton 6
Plug steel ring 4 is fixedly connected with the inside of head end, bellmouth steel loop 3, some coagulations are fixedly connected with the inside of the tail end of steel cylinder 1
Native pipe main body is connected from beginning to end successively by the mutual cooperation of plug steel ring 4 and bellmouth steel loop 3.
In a specific embodiment of the present utility model, head end outside and the double steel bar skeleton 6 of the steel cylinder 1
Between and the outside of the bellmouth steel loop 3 and the double steel bar skeleton 6 between be each provided with U-shaped reinforcement 8.
It is close that twice are offered in a specific embodiment of the present utility model, in the circumferential direction of the plug steel ring 4
Groove is sealed, is sealed between the sealed groove and the bellmouth steel loop 3 by O-ring seal 2.
In a specific embodiment of the present utility model, the plug steel ring 4 is opened between sealed groove described in twice
Provided with pressure testing water injection hole 10.
In a specific embodiment of the present utility model, respectively set on the outer tube wall at the pipe of concrete main body head and the tail both ends
It is equipped with and strengthens steel ring 9.
In a specific embodiment of the present utility model, it is pasted between the tube wall of the adjacent two pipe of concrete main body
Sealing plate 5, the sealing plate 5 are offset plate or headblock.
In a specific embodiment of the present utility model, the outside of the bellmouth steel loop 3 is provided with water-swellable adhesive tape
7。
In order to facilitate above-mentioned technical proposal of the present utility model is understood, below by way of new to this practicality in specifically used mode
The above-mentioned technical proposal of type is described in detail.
The mode described in the utility model that is fixedly connected can use the conventional technical means such as welding, bonding to replace.
Jacking construction method described in the utility model is in JC/T2092-2011 jacking constructions with low pressure cylinder concrete pipe
The method requirement and difficult point that are made on the basis of low pressure steel cylinder concrete pipe standards for tubing, overcome current tubing making side
The deficiency in face, and that researches and develops is applied to core technique manufacture jacking construction method low pressure cylinder concrete pipe.
The specification of pipe of concrete main body is DN2000*3000*200 millimeters, and pipe of concrete body outer wall default 2 strengthens steel
Circle 9, head end both ends each 1, it is ensured that possess enough top power during jacking construction.
Steel cylinder 1 is put in pipe of concrete main body, the impervious and cracking resistance of tubing is greatly improved, meets mesolow
Hydraulic piping can the requirement of long range jacking construction.
Bellmouth steel loop 3 and plug steel ring 4 use Q235 steel plate materialses, the interior outside use of bellmouth steel loop 3 and plug steel ring 4
Corrosion-resistant grade is high, wearability is good, drinking water tank paint brushing that water pollution is relatively low 2 times（200um）Protection, is installed non-after the completion of construction
Chang Yanmi, will not because bellmouth steel loop 3 and plug steel ring 4 using high-grade drinking water tank paint brushing anti-corrosion and have concrete protective
There is corrosion phenomenon, substantially prolongs the service life of joint
Sealed between the interface of bellmouth steel loop 3 and plug steel ring 4 using two pass O-ring seal 2, it is ensured that the effective antiseepage of interface
Water, interface is very tight, has fabulous sealing property, is matched with the anti-internal pressure of body.
Offset plate or wood washer are pasted in the end of adjacent two pipe of concretes main body, add port buffering thickness and flexibility, subtract
Whole ring end face top power uneven phenomenon and top power concentration phenomenon in few jacking.
Water-swellable adhesive tape 7 is added between bellmouth steel loop 3 and concrete, tubing outside underground water can be effectively played along bellmouth
Steel loop 3 is seeped into inside tubing with concrete gap.
Every pipe of concrete main body can carry out Leakage Test, inspection cost by the butt joint of pressure testing water injection hole 10 immediately
It is low, efficiency high.
Pipe of concrete main body uses dry high-grade concrete, improves and pushes up power during jacking construction.
The technique that jacking construction method low pressure cylinder concrete pipe is manufactured by core：
Semi-finished product one：Steel plate cutting → edge rolling → rises circle → bellmouth steel loop 3 and plug steel ring 4；
Semi-finished product two：Sheet metal blanking → loading bellmouth steel loop 3 and plug steel ring 4 → edge rolling → welding fabrication → hydraulic pressure inspection
Test；
Semi-finished product three：Wire rod → cold rolled reinforcing steel bar with ribs is processed → makes double steel bar skeleton 6；
Semi-finished product four：The measuring raw materials such as cement, sand, stone → stirring → prepare concrete；
Production process：The steel cylinder 1 for being connected with bellmouth steel loop 3 and plug steel ring 4 is loaded in mould chassis → placed
Bottom strengthens steel ring 9 → place double steel bar 6 → double steel bar of skeleton skeleton 6 position → and is inserted in external mold → be inserted in internal model → placement
Steel ring 9 → welding U-shaped reinforcement 8 → welding anchor bar → installation bellmouth mould is strengthened on top and positioner position → to mould
Inside it is distributed into concrete formation → trimming, inspection → sign, maintenance → form removal → trimming, inspection → adhesive seal plate 5（Offset plate or wood
Pad）.
Design of Bearing Capacity and inside and outside load calculation basis CECS143:2002 and CECS140:2002《Water and Waste Water Engineering
Buried precast concrete circular pipe and Prestressed concrete cylinder pipe structure design code》, Reinforcement Design is according to GB50010-
2002 concrete design specifications.
To sum up, the reinforcement steel ring of protection is set by means of above-mentioned technical proposal of the present utility model, tubing both ends outside,
Tubing jacking construction process not cracky, enhancing two-port top power, constructs beneficial to relatively long distance, reduce construction and engineering into
This；Tubing is made using dry concrete, concrete strength is high, is equally applicable to relatively long distance jacking construction；Using core
Technique productions tubing, high-frequency excitation power is big, and concrete density is high, and concrete impervious ability is strong, and Intermediate High Pressure is born with tubing
Matching；Tubing is manufactured using core technique, every kind of specification batch production only needs one set of die, and technique is simple, less investment, tubing system
Cause low；Tubing is manufactured with core technique, its physical dimension deviation is small（Especially tubing circularity and wall thickness dimension）, product manufacturing
Quality assurance will height；Solves non-excavation-use under the defeated drainage system field Special zone of the pressure such as water conservancy, municipal administration, geological conditions
Tubing used in a kind of band pressure of pipeline；Water-swellable adhesive tape is added between bellmouth steel loop and concrete, can effectively block tubing
Seep water to inside tubing outside；Solves in common tubing jack-in process the steel mouth easily displacement caused by correction and protection should be had by losing
The technological difficulties such as effect；In pipeline jack-in process, tube hub is not easy to deviate, and pipe joint is not easy to misplace, in work progress tubing
Without spillage phenomenon, greatly it is easy to smooth construction；Conduit running maintenance cost can be significantly reduced, it is significantly comprehensive to improve social benefit
And environmental benefit；Have developed can manufacture a kind of coming of new technology of jacking steel cylinder pipe product.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (7)
1. a kind of jacking construction method low pressure cylinder concrete pipe, including some pipe of concrete main bodys of head and the tail connection successively, its
It is characterised by, double steel bar skeleton is provided with the tube wall of the pipe of concrete main body（6）, the double steel bar skeleton（6）It
Between be provided with the steel cylinder being arranged concentrically with the pipe of concrete main body（1）, the steel cylinder（1）Plug is fixedly connected with the inside of head end
Steel ring（4）, the steel cylinder（1）Bellmouth steel loop is fixedly connected with the inside of tail end（3）, some pipe of concrete main bodys pass through plug
Steel ring（4）With bellmouth steel loop（3）Mutual cooperation connect from beginning to end successively.
2. jacking construction method according to claim 1 low pressure cylinder concrete pipe, it is characterised in that the steel cylinder（1）
Head end on the outside of with the double steel bar skeleton（6）Between and the bellmouth steel loop（3）Outside and the clad steel muscles and bones
Frame（6）Between be each provided with U-shaped reinforcement（8）.
3. jacking construction method according to claim 1 low pressure cylinder concrete pipe, it is characterised in that the plug steel ring
（4）Circumferential direction on offer two seals groove, the sealed groove and the bellmouth steel loop（3）Between by O-shaped close
Seal（2）Sealing.
4. jacking construction method according to claim 3 low pressure cylinder concrete pipe, it is characterised in that the plug steel ring
（4）Pressure testing water injection hole is offered between sealed groove described in twice（10）.
5. jacking construction method according to claim 1 low pressure cylinder concrete pipe, it is characterised in that the pipe of concrete
It is each provided with strengthening steel ring on the outer tube wall at main body head and the tail both ends（9）.
6. jacking construction method according to claim 1 low pressure cylinder concrete pipe, it is characterised in that adjacent two is described mixed
Sealing plate is pasted between the tube wall of solidifying native pipe main body（5）, the sealing plate（5）For offset plate or headblock.
7. jacking construction method according to claim 1 low pressure cylinder concrete pipe, it is characterised in that the bellmouth steel loop
（3）Outside be provided with water-swellable adhesive tape（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936262.8U CN207034429U (en) | 2017-07-31 | 2017-07-31 | A kind of jacking construction method low pressure cylinder concrete pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720936262.8U CN207034429U (en) | 2017-07-31 | 2017-07-31 | A kind of jacking construction method low pressure cylinder concrete pipe |
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| CN207034429U true CN207034429U (en) | 2018-02-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030430A (en) * | 2019-03-12 | 2019-07-19 | 上海城建水务工程有限公司 | A kind of pipe jacking construction method for cylinder concrete pipe |
| CN113944811A (en) * | 2020-07-30 | 2022-01-18 | 国家电投集团科学技术研究院有限公司 | PCCP pipe |
-
2017
- 2017-07-31 CN CN201720936262.8U patent/CN207034429U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030430A (en) * | 2019-03-12 | 2019-07-19 | 上海城建水务工程有限公司 | A kind of pipe jacking construction method for cylinder concrete pipe |
| CN113944811A (en) * | 2020-07-30 | 2022-01-18 | 国家电投集团科学技术研究院有限公司 | PCCP pipe |
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