CN102296570A - Construction method of large cast-in-place reinforced concrete water inlet channel - Google Patents
Construction method of large cast-in-place reinforced concrete water inlet channel Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 10
- 239000004567 concrete Substances 0.000 claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 238000007667 floating Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 238000011065 in-situ storage Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 3
- 238000005056 compaction Methods 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- AEEAZFQPYUMBPY-UHFFFAOYSA-N [I].[W] Chemical compound [I].[W] AEEAZFQPYUMBPY-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The invention relates to a construction method of a large cast-in-place reinforced concrete water inlet channel, which comprises dividing the construction of concrete near the water inlet channel into five large blocks, wherein, the concrete construction of the whole body of the water inlet channel is integrally poured in layers, the secondary pouring in the traditional pouring process is cancelled, the integrity of the concrete of the whole body of the water inlet channel is ensured, for the part of the water inlet channel elbow bottom which is difficult to vibrate, the vibration guide device is pre-bound when the reinforcing steel bars are bound, thereby realizing the compaction of the concrete at the bottom, simultaneously reinforcing the water inlet channel template by adopting a method of combining support and pull, ensuring that a plurality of complex construction areas do not influence each other to shorten the construction period, reducing the possibility of large-volume concrete cracks, the construction precision of the whole water inlet channel, the anti-floating deformation capability of the template in the construction process and the product quality are ensured. The method can be widely applied to the construction of large cast-in-place reinforced concrete water inlet channels.
Description
Technical field
The present invention relates to a kind of inlet channel job practices.
Background technology
Inlet channel is the intake structure that are built on the raft foundation, and intake is the square-section, dwindles gradually and is bent upwards rounded back and links to each other with spiral case to the delivery port cross section.Conventional small-sized intake strucure simple shape, concreting side measure little, build so the job practices of taking is a disposable integral, and more easily guarantee the concrete formation quality.Traditional curved elbow section curvature changing in CP1000 nuclear power station inlet channel bottom is bigger, so the back-grouting district is reserved, the job practices that the later stage uses contraction-free grouting concrete to tamp in the general bottom of adopting.If the curved elbow section curvature changing of inlet channel is mild, still adopt the bottom to reserve the job practices in back-grouting district, will exist back-grouting district planar dimension bigger, the existence in secondary pouring district, to bear the continuity of current operating pressure all unfavorable to building shaped structures globality and inlet channel.
Summary of the invention
The purpose of this invention is to provide a kind of large cast-in-situ steel reinforced concrete inlet channel job practices, solve traditional inlet channel bottom and reserve the job practices in back-grouting district the disadvantageous technical problem of the continuity of structural integrity and water flow pressure; And how the concrete one-time-concreting moulding of the solution inlet channel whole body guarantees the problem of pouring quality and inlet channel template anti-floating.
Realize above-mentioned purpose, the present invention adopts following technical scheme:
A kind of large cast-in-situ steel reinforced concrete inlet channel job practices, described inlet channel are the intake structure that are built on the raft foundation of bottom, and its intake is the square-section, dwindle gradually and be bent upwards rounded back to the delivery port cross section to link to each other with spiral case, and step is as follows:
Step 1: bottom, inlet channel zone raft foundation construction;
Step 2: formulate steel concrete inlet channel block placement scheme, inlet channel is divided into inlet channel base plate A piece, far-end bottom, inlet channel curved elbow outside B piece, inlet channel whole body C piece, the curved elbow outside far-end top D piece of inlet channel and inlet channel neck E piece, and its sequence of construction is followed successively by: inlet channel base plate A piece, far-end bottom, inlet channel curved elbow outside B piece, inlet channel whole body C piece, the curved elbow outside far-end top D piece of inlet channel and inlet channel neck E piece;
Step 3: the boundary line of measurement and positioning inlet channel on the raft foundation of bottom;
Step 4: far-end bottom, construct successively inlet channel base plate A piece and inlet channel curved elbow outside B piece, and guarantee the real size of the planar dimension of inlet channel base plate A block concrete less than inlet channel bottom template, and the three-dimensional reinforcing bar of the colligation inlet channel of going ahead of the rest;
Step 5: the inlet channel template is tried assembly unit outside the venue, on the template of inlet channel bottom, offer the hole of vibrating simultaneously, and several rows of pore is set every 1m, be transported to the scene after inlet channel template examination assembly unit is qualified, C piece construction part is carried out assembly unit and adjustment on the inlet channel whole body, and the way that adopts support, drawknot to close is reinforced the inlet channel template;
Step 6: all the other reinforcing bars around the colligation inlet channel, reserve manhole down during reinforcing bar binding, and be difficult for reaching on the reinforcing bar at place the evenly colligation guiding device that vibrates different in size at vibrating spear, placement layer by layer inlet channel zone inlet channel whole body C block concrete then, when building, the casting and compacting of concrete manhole of reserving on the C piece reinforcing bar of the inlet channel whole body stretches into vibrating spear in the guiding device that vibrates and vibrates, concrete in curved elbow curved portion has whenever watered one deck, stop pumping, vibrating and leaving standstill is no less than half an hour, and within 2 hours lower-layer concrete is covered;
Step 7: the C block concrete maintenance expiration of the inlet channel whole body and reach design strength after remove inlet channel template before the inlet channel bending section;
Step 8: far-end top, construction inlet channel curved elbow outside D piece, the D piece also can be constructed before the C piece;
Step 9: construction inlet channel neck E piece, the concrete of inlet channel neck E piece is removed remainder inlet channel template after reaching design strength.
In the described step 2, the construction of far-end top, inlet channel curved elbow outside D piece can be carried out before or after the C piece construction of the inlet channel whole body.
Be embedded with the earth anchor that supports shaped steel and be used for anti-floating on the raft foundation of bottom, described step 1 inlet channel zone, the end face concrete of bottom raft foundation is manually cut a hole hair, forms even, coarse working face.
Described step 5 and six is provided with row's limit for height batten in inlet channel template inboard every 0.4m, and the inlet channel whole body C block concrete amount of building hourly must not be greater than the spacing of limit for height batten.
Described step 4 is embedded with the steel bowl and the high-strength screw rod that are used to strain inlet channel bottom template on the inlet channel base plate A piece, described steel bowl and high-strength screw rod difference or combination are provided with.
The 1:1 setting-out on the inlet channel steelframe model that is building earlier before the colligation of the three-dimensional reinforcing bar of inlet channel is made in the described step 4.
In the described step 5, described inlet channel template is carried out assembly unit according to the sequencing of the template numbering of examination during assembly unit, the way that described support, drawknot close refers to by anti-floating wire rope and the earth anchor drawknot that is embedded on the raft foundation of inlet channel bottom, prop up the top by the support shaped steel that is embedded on the raft foundation of bottom simultaneously, be lined with concrete pad between described anti-floating wire rope and the inlet channel template.
In the described step 6, the spiral spring pipe of the guiding device that vibrates for forming by the reinforcing bar bending, its diameter is 100mm～120mm.
The concrete of inlet channel whole body C piece and described step 9 inlet channel neck E piece is that slump is the big slump concrete of 180mm～200mm in the described step 6, mixes corrosion inhibitor and polyacrylic fibre in it.
Described step 9, inlet channel neck E piece is provided with waterstop by inlet channel one side, and the inlet channel neck E piece top in the described waterstop outside is embedded with the standing screw that is used for fixing spiral case template base and spiral case template keel.
Compared with prior art the present invention has following characteristics and beneficial effect:
(1), the present invention can be effectively keeps apart pipe-line system such as inlet channel working face and the female pipe of SEN/CFI suction that carries out the same period and the construction of drum barrier, guarantees that a plurality of comparatively construction areas of complexity can not influence each other and cause the serious consequence of delaying the duration.
(2), by the steel concrete of rule comparatively around the first construction inlet channel, be that favourable work plane is created in the construction of positions such as pipeline, reach the effect of reduction of erection time.
(3), after the inlet channel bottom slab concreting is finished, directly inlet channel whole body concrete is carried out once whole watering, help guaranteeing that inlet channel bears the continuity of current operating pressure and the globality of structure, all have good result for the Forming Quality and the function of use of inlet channel.
(4), the inlet channel piecemeal evenly, effectively build and the measure of vibrating, and reliable maintenance measure of later stage, make concrete temperature be controlled at perfect condition, reduce the possibility in concrete in mass crack, guaranteed concrete construction quality, guaranteed the application life of reinforced concrete structure.
(5), reserve construction in later period, for the construction precision of whole inlet channel with to finish quality all be strong assurance with the inlet channel neck piecemeal of equipment interconnection.
(6), vibrate hole and the concrete vibrator installation of guiding device on the inlet channel template, make the also effective cloth and vibrating of concrete that is difficult to build the position, reduce the generation of mass defects such as the concrete leakage is shaken, voids and pits to greatest extent, thereby guaranteed product quality.
(7), above inlet channel and periphery the shaped steel of enough rigidity is set, measure of anti float such as high-strength screw rod, change single wire rope anti-floating pattern, the rigidity and the anti-deformation ability of anti-floating member have been improved, reduce the risk that the large-size deviation appears in the finished product concrete, improved the formed precision of product.
(8), in the invention work progress, the planar dimension of inlet channel base plate A block concrete is less than the real size of inlet channel bottom template, avoided having formed an acute angle with far-end bottom, inlet channel curved elbow outside B block concrete after building the last layer concrete on the template, it is closely knit to cause concrete to build.
The present invention can be widely used in the construction of nuclear power station large-sized concrete inlet channel.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is inlet channel plan-position figure.
Fig. 2 is that inlet channel surrounding concrete construction piece is divided schematic diagram.
Fig. 3 is an inlet channel formwork reinforcement measure floor map.
Fig. 4 is an inlet channel formwork reinforcement measure elevation.
Fig. 5 is the sectional view of Fig. 4.
Fig. 6 is an inlet channel whole body C piece layering schematic diagram.
Fig. 7 is servant's pore size distribution schematic diagram.
Fig. 8 is the feed opening distribution schematic diagram.
Fig. 9 is the inlet channel whole body C piece guiding device distribution plan view that vibrates.
Figure 10 is the inlet channel whole body C piece guiding device profile figure that vibrates.
Figure 11 is an inlet channel neck E piece top detail drawing.
Reference numeral: 1-inlet channel, 2-bottom raft foundation, 3-support manhole, 13-standing screw, 14-concrete pad, 15-spiral case template keel, 16-spiral case template base, 17-blanking hole under shaped steel, the pre-buried anchor ring of 4-, the pre-buried steel bowl of 5-and screw rod, 6-waterstop, 7-embedded bar head, the pre-buried high-strength screw rod of 8-, 9-anti-floating wire rope, 10-inlet channel template, 11-vibrator guiding device, the 12-.
The specific embodiment
A kind of large cast-in-situ steel reinforced concrete inlet channel job practices, described inlet channel is the intake structure that are built on the raft foundation 2 of bottom, its intake is the square-section, dwindle gradually and be bent upwards rounded back to the delivery port cross section and link to each other with spiral case, its plane distribution position is referring to Fig. 1, inlet channel is a runner in the monoblock raft foundation, its upper end connects spiral case by a circular hole, square hole position, bottom connects chamber, cone-shaped pipe that the chamber both sides show respectively on the south the inlet channel among the figure and circular pipe are respectively CFI pump line and SEN pump line, and the chamber that these two pipelines are adjacent with inlet channel links to each other.Its construction sequence is as follows:
Step 1: bottom, inlet channel zone raft foundation 2 constructions; Be embedded with the earth anchor that supports shaped steel 3 and be used for anti-floating on the raft foundation of bottom, inlet channel zone, the end face concrete of bottom raft foundation is manually cut a hole hair, forms even, coarse working face.Described earth anchor comprises pre-buried anchor ring 4, pre-buried steel bowl and screw rod 5, embedded bar head 7 and pre-buried high-strength screw rod 8, more than several earth anchor forms can respectively or be used in combination.
Step 3: the boundary line of measurement and positioning inlet channel 1 on bottom raft foundation 2;
Step 4: far-end bottom, construct successively inlet channel base plate A piece and inlet channel curved elbow outside B piece, and guarantee the real size of the planar dimension of inlet channel base plate A block concrete less than inlet channel bottom template, and the three-dimensional reinforcing bar of the colligation inlet channel of going ahead of the rest; Be embedded with the steel bowl and the high-strength screw rod that are used to strain inlet channel bottom template on the inlet channel base plate A piece, described steel bowl and high-strength screw rod difference or combination are provided with.The 1:1 setting-out on the inlet channel steelframe model that is building earlier before the colligation of the three-dimensional reinforcing bar of inlet channel is made.
Step 5 is referring to shown in Fig. 3～5, inlet channel template 10 is tried assembly unit outside the venue, on the template of inlet channel bottom, offer the hole of vibrating simultaneously, and several rows of pore is set every 1m, be transported to the scene after the 10 examination assembly units of inlet channel template are qualified, C piece construction part is carried out assembly unit and adjustment on the inlet channel whole body, and the way that adopts support, drawknot to close is reinforced the inlet channel template; Described inlet channel template is carried out assembly unit according to the sequencing of the template numbering of examination during assembly unit, the way that described support, drawknot close promptly is provided with enough rigidity in the template bottom support shaped steel comes support inlet channel template, and inlet channel template assembling back adopts wire rope and the earth anchor drawknot that is embedded on the inlet channel base plate to come anti-floating.Be lined with concrete pad 14 between described anti-floating wire rope 9 and the inlet channel template 10.
The inlet channel template adopts with anti-floating wire rope, flower basket bolt and the Chain block of pre-buried earth anchor drawknot and regulates, can assembling reinforcement to the allowable error scope, and especially exporting circular cross-section place precision must guarantee.
Step 7: the C block concrete maintenance expiration of the inlet channel whole body and reach design strength after remove inlet channel template before the inlet channel bending section; Because neck is not construction as yet, thus curved elbow section position template and support kept, in order to avoid the neck template produces and displacement.
Step 8: far-end top, construction inlet channel curved elbow outside D piece; Can be pipe-line system installation and the construction of drum barrier carried out simultaneously and created the construction operation face.
Adopt the mode of scaffolding insulation, comprehensive regenerative process to carry out maintenance in the concrete curing process in above-mentioned each block concrete work progress, electronic instrument for measuring temperature is carried out dynamic monitoring to temperature, carry out adjustment in the mode of establishing iodine-tungsten lamp in plus-minus covering and heat insulating layer and the canopy, watering is preserved moisture.
Claims (10)
1. large cast-in-situ steel reinforced concrete inlet channel job practices, described inlet channel is the intake structure that are built on the bottom raft foundation (2), its intake is the square-section, dwindles gradually and be bent upwards rounded back to the delivery port cross section to link to each other with spiral case, and it is characterized in that: step is as follows:
Step 1: inlet channel zone bottom raft foundation (2) construction;
Step 2: formulate steel concrete inlet channel block placement scheme, inlet channel is divided into inlet channel base plate A piece, far-end bottom, inlet channel curved elbow outside B piece, inlet channel whole body C piece, the curved elbow outside far-end top D piece of inlet channel and inlet channel neck E piece, and its sequence of construction is followed successively by: inlet channel base plate A piece, far-end bottom, inlet channel curved elbow outside B piece, inlet channel whole body C piece, the curved elbow outside far-end top D piece of inlet channel and inlet channel neck E piece;
Step 3: the boundary line of going up measurement and positioning inlet channel (1) at bottom raft foundation (2);
Step 4: far-end bottom, construct successively inlet channel base plate A piece and inlet channel curved elbow outside B piece, and guarantee the real size of the planar dimension of inlet channel base plate A block concrete less than inlet channel bottom template, and the three-dimensional reinforcing bar of the colligation inlet channel of going ahead of the rest;
Step 5: inlet channel template (10) is tried assembly unit outside the venue, on the template of inlet channel bottom, offer the hole of vibrating simultaneously, and several rows of pore is set every 1m, be transported to the scene after inlet channel template (10) examination assembly unit is qualified, C piece construction part is carried out assembly unit and adjustment on the inlet channel whole body, and the way that adopts support, drawknot to close is reinforced the inlet channel template;
Step 6: all the other reinforcing bars around the colligation inlet channel, also reserve manhole (12) down during reinforcing bar binding, and be difficult for reaching on the reinforcing bar at place the evenly colligation guiding device that vibrates (11) different in size at vibrating spear, placement layer by layer inlet channel zone inlet channel whole body C block concrete then, when building, the manhole that the constructor reserves from inlet channel whole body C piece reinforcing bar enters C piece inside, vibrating spear stretched in the guiding device that vibrates the curved elbow curved portion of inlet channel is vibrated, whenever watered one deck in curved elbow curved portion, stop pumping, vibrating and leaving standstill is no less than half an hour, so that concrete is fully closely knit, and within 2 hours lower-layer concrete is covered;
Step 7: the C block concrete maintenance expiration of the inlet channel whole body and reach design strength after remove inlet channel template before the inlet channel bending section;
Step 8: far-end top, construction inlet channel curved elbow outside D piece;
Step 9: construction inlet channel neck E piece, the concrete of inlet channel neck E piece is removed remainder inlet channel template after reaching design strength.
2. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 is characterized in that: in the described step 2, far-end top, inlet channel curved elbow outside D piece can be constructed before or after the C piece of the inlet channel whole body.
3. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 and 2, it is characterized in that: be embedded with the earth anchor that supports shaped steel (3) and be used for anti-floating on the raft foundation of bottom, described step 1 inlet channel zone, the end face concrete of bottom raft foundation is manually cut a hole hair, forms even, coarse working face.
4. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 and 2, it is characterized in that: described step 5 and six, every 0.4m one row's limit for height batten is set in inlet channel template inboard, the inlet channel whole body C block concrete amount of building hourly must not be greater than the spacing of limit for height batten.
5. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 and 2, it is characterized in that: described step 4, be embedded with the steel bowl and the high-strength screw rod that are used to strain inlet channel bottom template on the inlet channel base plate A piece, described steel bowl and high-strength screw rod difference or combination are provided with.
6. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 and 2 is characterized in that: the 1:1 setting-out on the inlet channel steelframe model that is building earlier before the colligation of the three-dimensional reinforcing bar of inlet channel is made in the described step 4.
7. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 and 2, it is characterized in that: in the described step 5, described inlet channel template is carried out assembly unit according to the sequencing of the template numbering of examination during assembly unit, the way that described support, drawknot close refers to by anti-floating wire rope (9) and the earth anchor drawknot that is embedded on the raft foundation of inlet channel bottom, by being embedded in support shaped steel (3) top on the raft foundation of bottom, be lined with concrete pad (14) between described anti-floating wire rope (9) and the inlet channel template (10) simultaneously.
8. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 and 2 is characterized in that: in the described step 6, and the spiral spring pipe of the guiding device that vibrates (11) for forming by the reinforcing bar bending, its diameter is 100mm～120mm.
9. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 and 2, it is characterized in that: the concrete of inlet channel whole body C piece and described step 9 inlet channel neck E piece is that slump is the big slump concrete of 180mm～200mm in the described step 6, mixes corrosion inhibitor and polyacrylic fibre in it.
10. large cast-in-situ steel reinforced concrete inlet channel job practices according to claim 1 and 2, it is characterized in that: described step 9, inlet channel neck E piece is provided with waterstop (6) by inlet channel one side, and the inlet channel neck E piece top in described waterstop (6) outside is embedded with the standing screw (13) that is used for fixing spiral case template base (16) and spiral case template keel (15).
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535404A (en) * | 2012-01-11 | 2012-07-04 | 中国建筑第二工程局有限公司 | Construction device and construction method for high climbing section of circulating water pipe ditch |
| CN103174113A (en) * | 2013-03-15 | 2013-06-26 | 田波 | Multifunctional land ditch building construction method |
| CN104099913A (en) * | 2014-07-15 | 2014-10-15 | 淮安市水利规划办公室 | Method for sealing concrete surfaces of inlet and outlet water flow channels of hydropower stations (pump stations) |
| CN105064398A (en) * | 2015-08-19 | 2015-11-18 | 中国能源建设集团天津电力建设有限公司 | One-time overall pouring construction method for nuclear powder single-hole GD gallery |
| CN110284708A (en) * | 2019-07-04 | 2019-09-27 | 中建六局建设发展有限公司 | A kind of concrete construction method for full-scale wind tunnel circle change side's diffuser |
| CN111074852A (en) * | 2019-12-20 | 2020-04-28 | 湖北锦天禹建设工程有限公司 | Channel lining concrete cast-in-place method and nonlinear channel lining construction method |
| CN113062325A (en) * | 2021-03-25 | 2021-07-02 | 李阳 | Concrete pouring method for water inlet runner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961255Y (en) * | 2006-06-20 | 2007-10-17 | 王振铎 | Spliced aqueduct |
| KR100767729B1 (en) * | 2007-03-21 | 2007-10-17 | 한산콘크리트(주) | Flume duct for preserving ecosystem |
| CN101392515A (en) * | 2008-11-11 | 2009-03-25 | 武汉理工大学 | Channel thermal insulation structure and construction method thereof |
| CN101476308A (en) * | 2009-01-24 | 2009-07-08 | 中国建筑第二工程局有限公司 | Construction method of large cast-in-place reinforced concrete water inlet channel and volute |
-
2011
- 2011-06-27 CN CN 201110173464 patent/CN102296570B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961255Y (en) * | 2006-06-20 | 2007-10-17 | 王振铎 | Spliced aqueduct |
| KR100767729B1 (en) * | 2007-03-21 | 2007-10-17 | 한산콘크리트(주) | Flume duct for preserving ecosystem |
| CN101392515A (en) * | 2008-11-11 | 2009-03-25 | 武汉理工大学 | Channel thermal insulation structure and construction method thereof |
| CN101476308A (en) * | 2009-01-24 | 2009-07-08 | 中国建筑第二工程局有限公司 | Construction method of large cast-in-place reinforced concrete water inlet channel and volute |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535404A (en) * | 2012-01-11 | 2012-07-04 | 中国建筑第二工程局有限公司 | Construction device and construction method for high climbing section of circulating water pipe ditch |
| CN102535404B (en) * | 2012-01-11 | 2014-04-09 | 中国建筑第二工程局有限公司 | Construction device and construction method for high climbing section of circulating water pipe ditch |
| CN103174113A (en) * | 2013-03-15 | 2013-06-26 | 田波 | Multifunctional land ditch building construction method |
| CN104099913A (en) * | 2014-07-15 | 2014-10-15 | 淮安市水利规划办公室 | Method for sealing concrete surfaces of inlet and outlet water flow channels of hydropower stations (pump stations) |
| CN104099913B (en) * | 2014-07-15 | 2015-10-28 | 淮安市水利规划办公室 | Concrete surface sealing method for water inlet and outlet flow passage of hydropower station |
| CN105064398A (en) * | 2015-08-19 | 2015-11-18 | 中国能源建设集团天津电力建设有限公司 | One-time overall pouring construction method for nuclear powder single-hole GD gallery |
| CN110284708A (en) * | 2019-07-04 | 2019-09-27 | 中建六局建设发展有限公司 | A kind of concrete construction method for full-scale wind tunnel circle change side's diffuser |
| CN111074852A (en) * | 2019-12-20 | 2020-04-28 | 湖北锦天禹建设工程有限公司 | Channel lining concrete cast-in-place method and nonlinear channel lining construction method |
| CN111074852B (en) * | 2019-12-20 | 2021-10-12 | 湖北锦天禹建设工程有限公司 | Channel lining concrete cast-in-place method and nonlinear channel lining construction method |
| CN113062325A (en) * | 2021-03-25 | 2021-07-02 | 李阳 | Concrete pouring method for water inlet runner |
| CN113062325B (en) * | 2021-03-25 | 2022-08-19 | 李阳 | Concrete pouring method for water inlet runner |
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