CN115045261A - Dynamic compaction construction process based on environmental protection - Google Patents
Dynamic compaction construction process based on environmental protection Download PDFInfo
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- CN115045261A CN115045261A CN202210522015.9A CN202210522015A CN115045261A CN 115045261 A CN115045261 A CN 115045261A CN 202210522015 A CN202210522015 A CN 202210522015A CN 115045261 A CN115045261 A CN 115045261A
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- ramming
- tamping
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- compaction
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- 238000010276 construction Methods 0.000 title claims abstract description 49
- 238000005056 compaction Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000008569 process Effects 0.000 title claims abstract description 25
- 230000007613 environmental effect Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000002689 soil Substances 0.000 claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000003595 mist Substances 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 4
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to an environment-friendly dynamic compaction construction process, which comprises the following steps of: a. carrying out site leveling on a site to be constructed, enabling the rammed surfaces of the leveled site to be constructed to be consistent, setting ramming points according to construction requirements, and burying broken stones at the ramming points; and measuring the elevation of the field before tamping. This dynamic compaction construction technology based on environmental protection, through carrying out humidity detection to ramming building site soil, and with humidity data low to high classification from the water content, utilize the high-pressure water cannon to sprinkle to the place according to grading, promote the humidity of soil with this, make ramming machine when ramming, effectual reduction raise dust height, and simultaneously, at the in-process of ramming, utilize the rail barricade to carry out the shutoff, shrink the raise dust in the certain extent, still can utilize the synchronous blowout water smoke of head-bumping, can further reduce the dust fall, make the environment of ramming the building site optimized, the pollution to the environment has been reduced by a wide margin, combine weather forecast, can avoid the strong wind weather effectively, further reduced the pollution to the environment.
Description
Technical Field
The invention relates to the technical field of civil engineering, in particular to an environment-friendly dynamic compaction construction process.
Background
The dynamic compaction is to use a large crawler-type dynamic compactor to freely drop a heavy hammer of 8-30 tons from a height of 6-30 meters to strongly tamp soil, so as to rapidly improve the bearing capacity and compression modulus of a foundation, form a relatively uniform and compact foundation, change the pore distribution of foundation soil within a certain depth of the foundation, and the dynamic compaction construction is widely applied to basic reinforcement projects such as expressway railways, airports, nuclear power plants, large industrial areas, harbor sea reclamation and the like, and has the advantages of short construction period, good effect and low manufacturing cost.
In the dynamic compaction process, full compaction is carried out only after the site is leveled, the soil condition of a construction site is not considered, when the water content of the soil is low, the phenomenon that a large amount of raised dust is generated on the construction site easily during point compaction and full compaction is carried out, and the environment is greatly polluted, so that the application provides the dynamic compaction construction process based on environmental protection.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an environment-friendly dynamic compaction construction process, which has the advantages of good environment-friendly effect and the like, and solves the problems that when the water content of soil is low, a large amount of dust is easily generated on a construction site during point compaction and full compaction, and the environment is greatly polluted.
In order to achieve the purpose of good environment protection effect, the invention provides the following technical scheme: a dynamic compaction construction process based on environmental protection comprises the following steps:
a. carrying out site leveling on a site to be constructed, enabling the rammed surfaces of the leveled site to be constructed to be consistent, setting ramming points according to construction requirements, and burying broken stones at the ramming points; measuring the elevation of the field before tamping; when the tamping point is set, testing before tamping is carried out on a site to be constructed, wherein the testing before tamping comprises ground settlement observation, pore water pressure observation, deep settlement and lateral displacement test and strong tamping vibration influence range observation, and the standard height of the rising of the tamping hammer when the point tamping is set is observed through the pore water pressure;
b. sampling soil near a tamping point in a construction site, and detecting soil humidity by using a humidity detector;
c. erecting an air humidity detector on a ramming construction site, and detecting the temperature and humidity of air in the construction site in real time by using the air humidity detector as data reference;
d. acquiring meteorological data in the recent and future period of time from a weather station, recording weather with more than four levels of wind and the date when the air quality early warning reaches above yellow early warning (if the approximate time of more than four levels of wind blowing can be determined to be best), and staggering the days or time in the later construction process;
e. erecting a fence baffle plate with the height not less than 2 m around the ramming point, surrounding the ramming point and reserving a gap;
d. arranging strong dust collection equipment at the gap, wherein a suction inlet of the strong dust collection equipment is aligned with the tamping point;
f. erecting a high-pressure water mist gun near the construction site, and spraying water mist by the high-pressure water mist gun facing the upper space of the construction site when the soil humidity is not up to standard so as to replace raining and wet the land;
g. the inner side of the fence baffle is additionally provided with an atomizing nozzle, and during ramming, clear water is conveyed through a high-pressure water pump, and water mist is sprayed out through the atomizing nozzle;
h. covering the soil piles which are exposed on the ground of the construction working face and are stored for a long time or temporarily stored for more than one day by using a dustproof net;
i. after the first watering is finished, controlling a dynamic compactor to start point compacting on a tamping point; after the first tamping is finished, commanding a bulldozer to fill and level the tamping pit, controlling a dynamic compactor to fully tamp the construction site for the first time after filling, and timely leveling the tamping pit if a tamping hammer is inclined during tamping;
j. after the full compaction for the first time is finished, performing density detection on the full-compaction area, marking the shape of the area which is full-compaction and does not reach the preset standard after the full compaction for the first time, and then commanding the dynamic compactor to perform full compaction for the second time;
k. and after the secondary full compaction is finished, controlling a bulldozer and a road roller to level and compact the site to be constructed, and measuring the height after compaction.
Further, in the step g, the included angle between the atomizing spray heads and the horizontal plane is 30-40 degrees, and the number of the atomizing spray heads is not less than 10.
And furthermore, grading the soil humidity data in the step b, establishing a soil humidity gradient table, and matching the soil humidity grade division with the water spraying time of the high-pressure water cannon in the step f.
Further, the soil humidity gradiometer contains one-level moisture condition, two-level moisture condition, three-level moisture condition and four-level moisture condition from low to high, and is graded according to the moisture content, and the high-pressure water cannon spraying time shortens step by step.
Further, in the ramming process of the ramming machine, the powerful dust collection equipment in the step d is synchronously started, and the highest raised dust can be sucked into the powerful dust collection equipment.
Compared with the prior art, the invention provides an environment-friendly dynamic compaction construction process, which has the following beneficial effects:
this dynamic compaction construction technology based on environmental protection, through carrying out humidity detection to ramming building site soil, and with humidity data low to high classification from the water content, utilize the high-pressure water cannon to sprinkle to the place according to grading, promote the humidity of soil with this, make ramming machine when ramming, effectual reduction raise dust height, and simultaneously, at the in-process of ramming, utilize the rail barricade to carry out the shutoff, shrink the raise dust in the certain extent, still can utilize the synchronous blowout water smoke of head-bumping, can further reduce the dust fall, make the environment of ramming the building site optimized, the pollution to the environment has been reduced by a wide margin, in addition, combine weather forecast, can avoid the strong wind weather effectively, further reduced the pollution to the environment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The embodiment is as follows: a dynamic compaction construction process based on environmental protection comprises the following steps:
a. carrying out site leveling on a site to be constructed, enabling the rammed surfaces of the leveled site to be constructed to be consistent, setting ramming points according to construction requirements, and burying broken stones at the ramming points; measuring the elevation of the field before tamping; when the tamping point is set, testing before tamping is carried out on a site to be constructed, wherein the testing before tamping comprises ground settlement observation, pore water pressure observation, deep settlement and lateral displacement test and strong tamping vibration influence range observation, and the standard height of the rising of the tamping hammer when the point tamping is set is observed through the pore water pressure;
b. sampling soil near a tamping point in a construction site, detecting soil humidity by using a humidity detector, grading according to soil humidity data, and establishing a soil humidity gradient table, wherein the soil humidity gradient table comprises a first-stage water-containing working condition, a second-stage water-containing working condition, a third-stage water-containing working condition and a fourth-stage water-containing working condition from low to high;
c. erecting an air humidity detector on a ramming construction site, and detecting the temperature and humidity of air in the construction site in real time by using the air humidity detector as data reference;
d. acquiring meteorological data in the recent and future period of time from a weather station, recording weather with more than four levels of wind and the date when the air quality early warning reaches above yellow early warning (if the approximate time of more than four levels of wind blowing can be determined to be best), and staggering the days or time in the later construction process;
e. erecting a fence baffle plate with the height not lower than 2 m around the ramming point, surrounding the ramming point and reserving a gap;
d. arranging strong dust collection equipment at the gap, wherein a suction inlet of the strong dust collection equipment is aligned with the tamping point;
f. erecting a high-pressure water mist gun near the construction site, spraying water mist by the high-pressure water mist gun facing the upper space of the construction site when the soil humidity is not up to standard, wetting the land instead of raining, grading the soil humidity to be matched with the water spraying time of the high-pressure water gun in the step f, grading according to the water content, and gradually shortening the spraying time of the high-pressure water gun;
g. the inner side of the fence baffle is additionally provided with atomizing nozzles, clear water is conveyed through a high-pressure water pump in the ramming process, water mist is sprayed out through the atomizing nozzles, the included angle between each atomizing nozzle and the horizontal plane is 30-40 degrees, and the number of the atomizing nozzles is not less than 10;
h. covering the soil piles which are exposed on the ground of the construction working face and are stored for a long time or temporarily stored for more than one day by using a dustproof net;
i. after the first watering is finished, controlling a dynamic compactor to start point compacting on a tamping point; in the tamping process of the tamping machine, the powerful dust collection equipment in the step d is synchronously started, the dust at the highest position can be sucked into the powerful dust collection equipment, the bulldozer is instructed to fill and level the tamping pit after the first tamping, the dynamic tamping machine is controlled to fully tamp the construction site for the first time after filling, and the tamping pit is leveled in time if the tamping hammer is inclined during tamping;
j. after the full compaction for the first time is finished, performing density detection on a full-compaction area, marking the shape of an area, which does not reach the preset standard after the full compaction for the first time, of the full compaction, and then commanding the dynamic compactor to perform full compaction for the second time;
k. and after the secondary full compaction is finished, controlling a bulldozer and a road roller to level and compact the site to be constructed, and measuring the height after compaction.
This embodiment is when using, through carrying out humidity detection to ramming building site soil, and with humidity data low to high classification from the water content, utilize the high-pressure water cannon to sprinkle to the place according to grading, with this humidity that promotes soil, make ramming machine when ramming, effectual reduction raise dust height, and simultaneously, at the in-process of ramming, utilize the rail barricade to carry out the shutoff, shrink the raise dust in certain extent, still can utilize and bump head synchronous blowout water smoke, can further reduce the dust fall, make the environment of ramming the building site obtain optimizing, the pollution to the environment has been reduced by a wide margin, in addition, combine weather forecast, can avoid the strong wind weather effectively, further reduced the pollution to the environment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The dynamic compaction construction process based on the environmental protection is characterized by comprising the following steps:
a. carrying out site leveling on a site to be constructed, enabling the rammed surfaces of the leveled site to be constructed to be consistent, setting ramming points according to construction requirements, and burying broken stones at the ramming points; measuring the elevation of the field before tamping; when a tamping point is set, performing pre-tamping test on a site to be constructed, wherein the pre-tamping test comprises ground settlement observation, pore water pressure observation, deep settlement and lateral displacement test and dynamic compaction vibration influence range observation, and observing the standard height of the rising of a tamping hammer when the point is set and tamped through the pore water pressure;
b. sampling soil near a ramming point at a construction site, and detecting soil humidity at the ramming point by using a humidity detector;
c. erecting an air humidity detector on a ramming construction site, and detecting the temperature and humidity of air in the construction site in real time by using the air humidity detector as data reference;
d. acquiring meteorological data in the recent and future period of time from a weather station, recording weather with more than four levels of wind and the date when the air quality early warning reaches above yellow early warning (if the approximate time of more than four levels of wind blowing can be determined to be best), and staggering the days or time in the later construction process;
e. erecting a fence baffle plate with the height not less than 2 m around the ramming point, surrounding the ramming point and reserving a gap;
d. arranging strong dust collection equipment at the gap, wherein a suction inlet of the strong dust collection equipment is aligned with the tamping point;
f. erecting a high-pressure water mist gun near the construction site, and spraying water mist by the high-pressure water mist gun facing the upper space of the construction site when the soil humidity is not up to standard so as to replace raining and wet the land;
g. the inner side of the fence baffle is additionally provided with an atomizing nozzle, and during ramming, clear water is conveyed through a high-pressure water pump, and water mist is sprayed out through the atomizing nozzle;
h. covering the soil piles which are exposed on the ground of the construction working face and are stored for a long time or temporarily stored for more than one day by using a dustproof net;
i. after the first watering is finished, controlling a dynamic compactor to start point compacting on a tamping point; after the first tamping is finished, commanding a bulldozer to fill and level the tamping pit, controlling a dynamic compactor to fully tamp the construction site for the first time after filling, and timely leveling the tamping pit if a tamping hammer is inclined during tamping;
j. after the full compaction for the first time is finished, performing density detection on a full-compaction area, marking the shape of an area, which does not reach the preset standard after the full compaction for the first time, of the full compaction, and then commanding the dynamic compactor to perform full compaction for the second time;
k. and after the secondary full compaction is finished, controlling a bulldozer and a road roller to level and compact the site to be constructed, and measuring the height after compaction.
2. The dynamic compaction construction process based on the environmental protection is characterized in that: in the step g, the included angle between the atomizing spray heads and the horizontal plane is 30-40 degrees, and the number of the atomizing spray heads is not less than 10.
3. The dynamic compaction construction process based on the environmental protection is characterized in that: and (f) grading the soil humidity data in the step b, establishing a soil humidity gradient table, and matching the soil humidity grade division with the water spraying time of the high-pressure water cannon in the step f.
4. The environment-friendly dynamic compaction construction process is characterized in that: the soil humidity gradiometer comprises a first-level water-containing working condition, a second-level water-containing working condition, a third-level water-containing working condition and a fourth-level water-containing working condition from low to high, and the spraying time of the high-pressure water cannon is shortened step by step according to the water content classification.
5. The dynamic compaction construction process based on the environmental protection of claim 1 is characterized in that: and d, in the ramming process of the ramming machine, the powerful dust collection equipment in the step d is synchronously started, and the highest raised dust can be sucked into the powerful dust collection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210522015.9A CN115045261A (en) | 2022-05-13 | 2022-05-13 | Dynamic compaction construction process based on environmental protection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210522015.9A CN115045261A (en) | 2022-05-13 | 2022-05-13 | Dynamic compaction construction process based on environmental protection |
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| CN115045261A true CN115045261A (en) | 2022-09-13 |
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| CN202210522015.9A Pending CN115045261A (en) | 2022-05-13 | 2022-05-13 | Dynamic compaction construction process based on environmental protection |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010108433A1 (en) * | 2009-03-25 | 2010-09-30 | 上海港湾软地基处理工程(集团)有限公司 | Improved treating method of soft soil foundation combined with high vacuum densification |
| CN110206054A (en) * | 2019-05-05 | 2019-09-06 | 中铁建工集团有限公司 | A kind of power transmission line safety zone basement process optimization method |
| CN111535291A (en) * | 2020-05-08 | 2020-08-14 | 重庆三峡地质工程技术有限公司 | Dynamic compaction treatment process for geological structure |
| CN113605350A (en) * | 2021-08-13 | 2021-11-05 | 江苏筑港建设集团有限公司 | Dynamic compaction construction process based on environmental protection |
-
2022
- 2022-05-13 CN CN202210522015.9A patent/CN115045261A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010108433A1 (en) * | 2009-03-25 | 2010-09-30 | 上海港湾软地基处理工程(集团)有限公司 | Improved treating method of soft soil foundation combined with high vacuum densification |
| CN110206054A (en) * | 2019-05-05 | 2019-09-06 | 中铁建工集团有限公司 | A kind of power transmission line safety zone basement process optimization method |
| CN111535291A (en) * | 2020-05-08 | 2020-08-14 | 重庆三峡地质工程技术有限公司 | Dynamic compaction treatment process for geological structure |
| CN113605350A (en) * | 2021-08-13 | 2021-11-05 | 江苏筑港建设集团有限公司 | Dynamic compaction construction process based on environmental protection |
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Application publication date: 20220913 |