CN113062266A - Construction process for filling sand bag of slurry pump - Google Patents
Construction process for filling sand bag of slurry pump Download PDFInfo
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- CN113062266A CN113062266A CN202110311272.3A CN202110311272A CN113062266A CN 113062266 A CN113062266 A CN 113062266A CN 202110311272 A CN202110311272 A CN 202110311272A CN 113062266 A CN113062266 A CN 113062266A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
- E02B3/127—Flexible prefabricated covering elements, e.g. mats, strips bags filled at the side
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a construction process for filling a sand bag of a slurry pump, which comprises the steps of sewing a geotextile bag, laying and positioning a bag body, conveying sand by a pump ship and filling the bag, checking the filling quality and temporarily protecting. The invention has the beneficial effects that: the mud pump sand filling bag has reasonable construction process design, and improves the filling efficiency of the sand filling bag; the wave-facing impact resistance of the sand bag is improved; the construction cost is saved, the construction schedule is greatly shortened, and the filling is more convenient.
Description
Technical Field
The invention relates to slurry pump sand bag filling construction, in particular to a slurry pump sand bag filling construction process, and belongs to the technical field of sand conveying and filling bags.
Background
In road engineering construction, the construction of large filling bags is the key of the whole single project at present, so that the typical construction is carried out by selecting a large filling bag process, and the filling bag stacking construction is adopted. The following difficulties exist in actual construction, (1) sand taking is difficult: during construction, the surface layer of the construction area only contains 1m of fine sand, and all the fine sand downwards is silty clay which is not beneficial to pumping sand by a slurry pump; (2) difficulty in material transportation: the material stacking point is far away from the construction area, and the sand land is not beneficial to material transportation, so that the engineering progress is not facilitated to be developed; (3) the operation time is short, and because the large-area accumulated water on the beach surface is not beneficial to the sand pumping work of the slurry during the high tide, the construction operation only depends on the low tide, and the requirement of the construction progress can not be met.
Disclosure of Invention
The invention aims to provide a construction process for filling a sand bag of a slurry pump to solve the problem.
The invention realizes the purpose through the following technical scheme: a construction process for filling a mortar bag of a slurry pump comprises the following steps:
step one, sewing the geotextile bag, namely sewing and processing a non-woven geotextile bag body in a construction site temporary region by using an industrial sewing machine according to the requirements of design, specification and the like, wherein the sewn nylon thread adopts 35 three-ply nylon threads and adopts a cup seam, and the strength of the sewn geotextile bag is not lower than 70 percent of that of the original fabric;
step two, laying and positioning the bag body, and manually laying according to the mark of measurement lofting before construction; temporarily compacting and fixing the edges of the two sides and the proper middle part of the sand bag by using a small sand bag;
thirdly, a pump ship sand conveying and filling bag is constructed, a first layer of geotextile sand filling bag is constructed, after a certain construction length is achieved, the operation surface is enlarged, and then a second layer of sand filling bag is constructed;
step four, checking the filling quality, wherein the laying quality of the filling bags which are below a low water level averagely needs to be checked by a latent die, and checking the items: the plane position, the through seal width and the thickness; checking frequency: 10% of the number of seams. The quality requirement is as follows: the error of the plane position is +/-0.5 m; sand allowed thickness range: 0.5-0.7 m; the phenomenon of no contact between adjacent sand quilt bodies is absolutely not allowed to occur;
and step five, temporary protection, namely manual protection is carried out on the filled sand bags.
As a still further scheme of the invention: in the first step, the geosynthetics such as woven fabrics and non-woven fabrics adopted in the first step do not adopt regenerated materials, and the geosynthetics have holes, damage and aging, so that all the warp and weft threads which are obviously uneven in density and obviously aged cannot be used in appearance.
As a still further scheme of the invention: in the second step, when the bag body is laid and positioned, the geotextile bag is laid at a position which is designed in advance on the dike, the width of the bag body is larger than the maximum width of the designed bottom width, and each side of the geotextile bag is provided with an allowance width according to a design drawing; and timely filling operation is carried out after the geotextile bags are laid and positioned.
As a still further scheme of the invention: in the third step, when the pump ship conveys sand and fills the bags, the length of each sand filling bag is 25-30 m, and the width is set according to the construction requirement; the filling ports are arranged on the surface of the bag body, and the number of the filling ports is about 1 according to 20m 2. The filling process is carried out according to the sequence that filling, slurry spills, secondary filling and the thickness of the sand body in the bag meet the design requirements, the filling fullness of the bag body is controlled to be 85 percent, the filling thickness is controlled to be 0.4-0.6 m, the sand filling is ensured to be flat and solid, and the sand filling is heightened layer by layer; the bag bodies are laid in layers according to the axis perpendicular to the embankment, stacked orderly, and the upper bag body and the lower bag body are laid in a staggered manner and mutually extruded with the same layer bag.
As a still further scheme of the invention: in the fourth step, the inspection is mainly performed from the following points:
(1) re-testing the synthetic material used by the geotextile;
(2) the filling bags of the bagged sand arris bodies are integrally manufactured in the cross section direction of the embankment, and the top layer bags are leveled as much as possible (less than or equal to +/-10 cm) after being filled; the width of the bag body in the longitudinal direction is favorable for convenient manufacture and construction, but is not less than 16 m;
(3) the bag bodies are heightened layer by layer, and can not be heightened for two layers or more at a local bank section at one time. The construction of the upper layer of filling bag can be carried out only after the consolidation degree of the lower layer of filling bag reaches 70 percent, and the filling time interval of the two layers of bag bodies is more than 7 days. In special cases, construction must be possible via supervision and design approval. The sand and stone materials cannot be randomly piled on the manufactured prism during construction;
(4) removing convex-concave objects and impurities on the surface of the geotextile bag laying area, which can damage the bag body; if the fabric bag is damaged in the laying process, the fabric bag is repaired in time, the splicing mode adopts a bag sewing method, and the sewing width is not less than 2 m;
(5) and constructing the sand filling bag and constructing the outer reverse filtering layer in time. The outer slope edge sealing gap of the adjacent outer prism body is sealed by small bagged sand to manually repair the slope and flatten the slope, so that the damage of the bag body caused by the stress on the edge of the bag body with a gap is prevented. The wave-facing side is noticed to be washed by sea waves, gaps appear to be tracked and filled in time, and the profile line of the outer side slope is adjusted until the level, so that the slope conforming to the design is formed. The method of shaving and repairing is not allowed.
As a still further scheme of the invention: in the first step, a wider cloth width is selected for the bag cloth, nylon threads are adopted for splicing and sewing, three layers are folded at the splicing position, the width is about 5-10 cm, three threads are sewn (one thread is sewn firstly, and two threads are sewn after folding), the bag cloth can also be bonded by adopting a bonding agent, the width of the bonding part is 10cm, each strength index of the bonding part is more than 90% of the strength of the bag cloth, the horizontal error between the filled bag side line and the designed side line is not more than +/-10 cm, and the distance between the adjacent splicing seams is more than 10 m; the elevation is not lower than the designed elevation, and the area difference between the actual section and the designed section cannot be a negative value.
The invention has the beneficial effects that: the mud pump sand filling bag has reasonable construction process design, and improves the filling efficiency of the sand filling bag; the wave-facing impact resistance of the sand bag is improved; the construction cost is saved, the construction schedule is greatly shortened, and the filling is more convenient.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a construction process of a slurry pump sand-filling bag includes the following steps:
step one, sewing the geotextile bag, namely sewing and processing a non-woven geotextile bag body in a construction site temporary region by using an industrial sewing machine according to the requirements of design, specification and the like, wherein the sewn nylon thread adopts 35 three-ply nylon threads and adopts a cup seam, and the strength of the sewn geotextile bag is not lower than 70 percent of that of the original fabric;
step two, laying and positioning the bag body, and manually laying according to the mark of measurement lofting before construction; temporarily compacting and fixing the edges of the two sides and the proper middle part of the sand bag by using a small sand bag;
thirdly, a pump ship sand conveying and filling bag is constructed, a first layer of geotextile sand filling bag is constructed, after a certain construction length is achieved, the operation surface is enlarged, and then a second layer of sand filling bag is constructed;
step four, checking the filling quality, wherein the laying quality of the filling bags which are below a low water level averagely needs to be checked by a latent die, and checking the items: the plane position, the through seal width and the thickness; checking frequency: 10% of the number of seams. The quality requirement is as follows: the error of the plane position is +/-0.5 m; sand allowed thickness range: 0.5-0.7 m; the phenomenon of no contact between adjacent sand quilt bodies is absolutely not allowed to occur;
and step five, temporary protection, namely manual protection is carried out on the filled sand bags.
Further, in the embodiment of the present invention, in the first step, the geosynthetics such as woven fabrics and non-woven fabrics used in the first step do not need to be recycled materials, and the geosynthetics have holes, damage and aging, so that the geosynthetics are not used, and all the warp and weft threads are obviously uneven in density and obviously aged in appearance.
Further, in the second step of the present invention, when the bag body is laid and positioned, the geotextile bag is laid at a position where the dyke is designed in advance, the width of the bag body is greater than the maximum width of the designed bottom width, and an allowance width is left on each side according to the design drawing; and timely filling operation is carried out after the geotextile bags are laid and positioned.
Further, in the third step of the invention, when the pump ship conveys sand and fills the bags, the length of each sand filling bag is 25-30 m, and the width is set according to the construction requirement; the filling ports are arranged on the surface of the bag body, and the number of the filling ports is about 1 according to 20m 2. The filling process is carried out according to the sequence that filling, slurry spills, secondary filling and the thickness of the sand body in the bag meet the design requirements, the filling fullness of the bag body is controlled to be 85 percent, the filling thickness is controlled to be 0.4-0.6 m, the sand filling is ensured to be flat and solid, and the sand filling is heightened layer by layer; the bag bodies are laid in layers according to the axis perpendicular to the embankment, stacked orderly, and the upper bag body and the lower bag body are laid in a staggered manner and mutually extruded with the same layer bag.
Further, in the embodiment of the present invention, in the fourth step, the inspection is mainly performed from the following aspects:
(1) re-testing the synthetic material used by the geotextile;
(2) the filling bags of the bagged sand arris bodies are integrally manufactured in the cross section direction of the embankment, and the top layer bags are leveled as much as possible (less than or equal to +/-10 cm) after being filled; the width of the bag body in the longitudinal direction is favorable for convenient manufacture and construction, but is not less than 16 m;
(3) the bag bodies are heightened layer by layer, and can not be heightened for two layers or more at a local bank section at one time. The construction of the upper layer of filling bag can be carried out only after the consolidation degree of the lower layer of filling bag reaches 70 percent, and the filling time interval of the two layers of bag bodies is more than 7 days. In special cases, construction must be possible via supervision and design approval. The sand and stone materials cannot be randomly piled on the manufactured prism during construction;
(4) removing convex-concave objects and impurities on the surface of the geotextile bag laying area, which can damage the bag body; if the fabric bag is damaged in the laying process, the fabric bag is repaired in time, the splicing mode adopts a bag sewing method, and the sewing width is not less than 2 m;
(5) and constructing the sand filling bag and constructing the outer reverse filtering layer in time. The outer slope edge sealing gap of the adjacent outer prism body is sealed by small bagged sand to manually repair the slope and flatten the slope, so that the damage of the bag body caused by the stress on the edge of the bag body with a gap is prevented. The wave-facing side is noticed to be washed by sea waves, gaps appear to be tracked and filled in time, and the profile line of the outer side slope is adjusted until the level, so that the slope conforming to the design is formed. The method of shaving and repairing is not allowed.
Further, in the embodiment of the present invention, in the first step, a wider cloth width is selected for the bag cloth, nylon threads are adopted for splicing and sewing, the spliced portion is folded into three layers, the width is about 5-10 cm, three lines are sewn (one line is sewn first, and two lines are sewn after folding), or bonding is adopted, the width of the bonding portion is 10cm, each strength index of the bonding portion is greater than 90% of the strength of the bag cloth, the horizontal error between the filled bag side line and the design side line is not greater than ± 10cm, and the distance between the adjacent splicing seams is greater than 10 m; the elevation is not lower than the designed elevation, and the area difference between the actual section and the designed section cannot be a negative value.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a slush pump fills sand bag construction technology which characterized in that: the method comprises the following steps:
step one, sewing the geotextile bag, namely sewing and processing a non-woven geotextile bag body in a construction site temporary region by using an industrial sewing machine according to the requirements of design, specification and the like, wherein the sewn nylon thread adopts 35 three-ply nylon threads and adopts a cup seam, and the strength of the sewn geotextile bag is not lower than 70 percent of that of the original fabric;
step two, laying and positioning the bag body, and manually laying according to the mark of measurement lofting before construction; temporarily compacting and fixing the edges of the two sides and the proper middle part of the sand bag by using a small sand bag;
thirdly, a pump ship sand conveying and filling bag is constructed, a first layer of geotextile sand filling bag is constructed, after a certain construction length is achieved, the operation surface is enlarged, and then a second layer of sand filling bag is constructed;
step four, checking the filling quality, wherein the laying quality of the filling bags which are below a low water level averagely needs to be checked by a latent die, and checking the items: the plane position, the through seal width and the thickness; checking frequency: 10% of the number of seams. The quality requirement is as follows: the error of the plane position is +/-0.5 m; sand allowed thickness range: 0.5-0.7 m; the phenomenon of no contact between adjacent sand quilt bodies is absolutely not allowed to occur;
and step five, temporary protection, namely manual protection is carried out on the filled sand bags.
2. The mud pump sand-filling bag construction process according to claim 1, wherein: in the first step, the adopted geosynthetics such as woven cloth, non-woven cloth and the like do not adopt reclaimed materials, and the geosynthetics are provided with holes, damages and aging, so that all the warp and weft threads which are obviously uneven in density and obviously aged cannot be used in appearance.
3. The mud pump sand-filling bag construction process according to claim 1, wherein: in the second step, when the bag body is laid and positioned, the geotextile bag is laid at a position which is designed in advance on the dike, the width of the bag body is larger than the maximum width of the designed bottom width, and each side of the geotextile bag is provided with an allowance width according to a design drawing; and timely filling operation is carried out after the geotextile bags are laid and positioned.
4. The mud pump sand-filling bag construction process according to claim 1, wherein: in the third step, when the pump ship conveys sand and fills the bags, the length of each sand filling bag is 25-30 m, and the width is set according to the construction requirement; the filling port is arranged on the surface of the bag bodyThe number of filling openings is 20m21 filling procedure is carried out according to the sequence that filling, slurry leakage, secondary filling and the thickness of sand bodies in the bags meet the design requirements, the filling fullness of the bags is controlled to be 85 percent, the filling thickness is controlled to be 0.4-0.6 m, and the sand filling is ensured to be flat and solid, and the sand filling is heightened layer by layer; the bag bodies are laid in layers according to the axis perpendicular to the embankment, stacked orderly, and the upper bag body and the lower bag body are laid in a staggered manner and mutually extruded with the same layer bag.
5. The mud pump sand-filling bag construction process according to claim 1, wherein: in the fourth step, the inspection is mainly performed from the following points:
(1) re-testing the synthetic material used by the geotextile;
(2) the filling bags of the bagged sand arris bodies are integrally manufactured in the cross section direction of the dike, and the top layer bags are required to be as flat as possible after being filled; the width of the bag body in the longitudinal direction is favorable for convenient manufacture and construction, but is not less than 16 m;
(3) the bags are heightened layer by layer, two or more layers can not be heightened at a local bank section at one time, the construction of the upper layer of filling bag can be carried out only after the consolidation degree of the lower layer of filling bag reaches 70%, the filling time interval of the two layers of bags is more than 7 days, under special conditions, the construction can be carried out by supervision and design agreement, and the sand and stone materials cannot be randomly piled on the manufactured arrises during construction;
(4) removing convex-concave objects and impurities on the surface of the geotextile bag laying area, which can damage the bag body; if the fabric bag is damaged in the laying process, the fabric bag is repaired in time, the splicing mode adopts a bag sewing method, and the sewing width is not less than 2 m;
(5) when filling the sand bag and constructing going on, should in time carry out the construction of outside inverted filter, it is flat to utilize little bagged sand to carry out artifical slope repairing to the outer slope edge of the adjacent bag body of outer arris body and fill up, prevents to leave space bag body border atress and leads to the bag body to damage, and the face of a wave is noticed by the wave and is eluriated, appears the space and in time trails and fill, adjusts outside slope profile line level till, forms the domatic that accords with the design. The method of shaving and repairing is not allowed.
6. The mud pump sand-filling bag construction process according to claim 1, wherein: in the first step, a wider cloth width is selected for the bag cloth, nylon threads are adopted for splicing and sewing, three layers are folded at the splicing position, the width is about 5-10 cm, three threads are sewn, the bag cloth can be bonded by adopting a bonding agent, the width of the bonding part is 10cm, each strength index of the bonding part is greater than 90% of the strength of the bag cloth, the horizontal error between the filled bag side line and the designed side line is not greater than +/-10 cm, and the distance between the adjacent splicing seams is greater than 10 m; the elevation is not lower than the designed elevation, and the area difference between the actual section and the designed section cannot be a negative value.
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| CN202110311272.3A CN113062266A (en) | 2021-03-24 | 2021-03-24 | Construction process for filling sand bag of slurry pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110311272.3A CN113062266A (en) | 2021-03-24 | 2021-03-24 | Construction process for filling sand bag of slurry pump |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605697A (en) * | 2012-02-14 | 2012-07-25 | 天津二十冶建设有限公司 | Sand dredger filling construction method of soft soil foundation embankment |
| CN102839630A (en) * | 2012-09-21 | 2012-12-26 | 中交上航局航道建设有限公司 | Construction method for embankment by using mucky soil filling bags |
| JP2013204216A (en) * | 2012-03-27 | 2013-10-07 | Nakada Sangyo Kk | Construction method for package for civil engineering |
| CN106869149A (en) * | 2017-01-12 | 2017-06-20 | 中交天航南方交通建设有限公司 | A kind of debris dam retaining for geotextile tube bag fills construction method |
| CN111042051A (en) * | 2019-12-30 | 2020-04-21 | 中建港航局集团有限公司 | Construction process of temporary flood prevention system |
-
2021
- 2021-03-24 CN CN202110311272.3A patent/CN113062266A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605697A (en) * | 2012-02-14 | 2012-07-25 | 天津二十冶建设有限公司 | Sand dredger filling construction method of soft soil foundation embankment |
| JP2013204216A (en) * | 2012-03-27 | 2013-10-07 | Nakada Sangyo Kk | Construction method for package for civil engineering |
| CN102839630A (en) * | 2012-09-21 | 2012-12-26 | 中交上航局航道建设有限公司 | Construction method for embankment by using mucky soil filling bags |
| CN106869149A (en) * | 2017-01-12 | 2017-06-20 | 中交天航南方交通建设有限公司 | A kind of debris dam retaining for geotextile tube bag fills construction method |
| CN111042051A (en) * | 2019-12-30 | 2020-04-21 | 中建港航局集团有限公司 | Construction process of temporary flood prevention system |
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Application publication date: 20210702 |
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