CN101603915B - Synthetic water infiltration capability test method for water permeable ground - Google Patents
Synthetic water infiltration capability test method for water permeable ground Download PDFInfo
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- CN101603915B CN101603915B CN2009101574144A CN200910157414A CN101603915B CN 101603915 B CN101603915 B CN 101603915B CN 2009101574144 A CN2009101574144 A CN 2009101574144A CN 200910157414 A CN200910157414 A CN 200910157414A CN 101603915 B CN101603915 B CN 101603915B
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Abstract
The invention discloses a synthetic water infiltration capability test method for water permeable ground pavement, which includes steps of: defining synthetic water infiltration capability; selecting a test region on the constructed water permeable ground; executing proper processing to the surface of the test area; arranging the artificial rainfall device onto the test region; regulating the artificial rainfall device for artificial rainfall under a determined intensity; recording intensity of rainfall, time of the rainfall, water accumulation starting time, and comprehensive water accumulation time; computing the synthetic water infiltration capability by the formula: the synthetic water infiltration capability = rainfall intensity * comprehensive water accumulation time. The provided water permeable ground detection method is carried out in simulation to the natural rainfall on the constructed water permeable ground, and reflects synthetic water infiltration capability of the water permeable ground as accurate as possible. The method is applicable to all the water permeable group, without limitation to the geographic location, which is capable of providing detailed data to the overall planning of the city.
Description
Technical field
The present invention relates to the method for testing of a kind of permeable paving ground " synthetic water infiltration capability ", particularly a kind of method of testing actual water permeability at the pervious surface finished of mating formation fully.
Background technology
Along with urbanization process is accelerated, waterproof floor area increases rapidly, if continue to take traditional ground surface paving method, will bring many negative influences to urban development.Therefore, in recent years, a kind of new ground form of mating formation, promptly permeable type ground had been risen in China.It is to utilize infiltrative surface layer, with rainfall infiltration and stagnate and to hold in the bottom has more space and the bed course than highly permeable, and then through a kind of new environment-protection type floor that blends mode rainwater that emptying is deposited such as evaporation under the subsoil form of mating formation.Mat formation with traditional ground and to compare, pervious surface mainly has: (1) not only can make rainfall permeate the ground rapidly, thereby eliminates surface gathered water, can also cut down storm runoff to greatest extent, increase infiltration capacity on the spot, makes underground water obtain how timely supply.(2) because this paving ground is ventilative, water permeability, therefore can keep soil moisture, reduce surface temperature, improve the living environment of urban surface plant and soil microorganism, regulate urban climate, alleviate city " heat island phenomenon ".(3) the perviousness paving ground also has the vehicular traffic of absorption noise, intercepts and captures pollutant in the runoff, alleviates the ability of pollution of area source.
Just because this paving ground has adapted to new concept, new demands such as modern urban construction " the protection ecologic equilibrium, alleviate the unwatering system burden, recover nature and infiltrate passage ", more and more come into one's own in the city, the area of mating formation development is very fast.Permeable paving ground is an integral body that is made of multi-layer porous medium, not only to satisfy the water permeability requirement, also to satisfy the requirement of loads such as bearing pedestrian, vehicle, its whole synthetic water infiltration capability is subjected to the influence of the water permeability, porosity of each structural sheet etc., therefore can not test its water permeability with the method for testing of soil permeability ability.Because lack the method for testing to the back pervious surface actual effect of mating formation, it is permeable or waterproof being difficult to define integral body, can not carry out quantitative evaluation to the actual effect of mating formation.Thereby the permeable effect of pervious surface uneven, differ greatly, some paving ground surface layer is permeable and it is down waterproof, can not bring into play the due effect of pervious surface, thereby hinder the further popularization of permeable paving ground to a certain extent.Therefore setting up pervious surface synthetic water infiltration capability method of testing is that requisite key link is applied in improvement pervious surface paving process and promotion.
Summary of the invention
The purpose of this invention is to provide a kind of synthetic water infiltration capability test method for water permeable ground.For permeable paving ground is provided by a kind of inspection of engineering quality method that provides.
Technical scheme of the present invention may further comprise the steps:
(1) defines the synthetic water infiltration capability of permeable paving ground: the certain accumulation rainfall amount of the permeable paving ground of area when a certain constant rainfall intensity is issued to comprehensive ponding;
(2) on the pervious surface that has built up, select the test zone of area greater than 1.4mX1.4m;
(3) the test zone surface is suitably handled, make its surperficial no-sundries, clean, and can reflect actual water permeability;
(4) be that the artificial rain device of 1.4mX1.4m is installed on the test zone top with the effective rainfall area;
(5) determine the target test section of 0.5mX0.5m at the center of the effective rainfall scope on permeable paving ground surface, the outside of target test section is 45cm apart from the border of effective rainfall scope;
(6) regulate rain maker, under certain raininess, carry out rainmaking;
(7) recording intensity of rainfall, rainfall duration, beginning ponding time and comprehensive ponding time;
(8) utilize formula: synthetic water infiltration capability=rainfall intensity * comprehensive ponding time, calculate synthetic water infiltration capability.
Water permeable ground detection method provided by the invention, employing be that the mode of simulation natural rainfall is carried out, and on the pervious surface that has built up, carry out, can as far as possible accurately reflect the synthetic water infiltration capability of pervious surface.Can be applied to all pervious surfaces, not be subjected to geographic restriction, full and accurate data can be provided for the general plan in city.
Four, description of drawings
Fig. 1: synthetic water infiltration capability test synoptic diagram
Among the figure, 1 is rain controller, and 2 is artificial rain device, and 3 is the protected location, and 4 is the target test section, and 5 is test zone, and 6 is the effective rainfall scope.
Five, embodiment
Main operational steps of the present invention is:
(1) permeable paving ground synthetic water infiltration capability definition: the certain accumulation rainfall amount of the permeable paving ground of area when a certain constant rainfall intensity is issued to comprehensive ponding;
(2) on the pervious surface that has built up, select the test zone 5 of area greater than 1.4mX1.4m;
(3) test zone 5 surfaces are suitably handled, make its surperficial no-sundries, clean, and can reflect actual water permeability;
(4) be that the artificial rain device 2 of 1.4mX1.4m is installed on test zone 5 tops with the effective rainfall area;
(5) determine the target test section 4 of 0.5mX0.5m at the center of the effective rainfall scope 6 on permeable paving ground surface, the outside of target test section 4 is 45cm apart from the border of effective rainfall scope 6, wherein, the zone between the border of effective rainfall scope 6 and the target test section 4 is protected location 3;
(6) regulate rain maker 2, under certain raininess, carry out rainmaking;
(7) recording intensity of rainfall, rainfall duration, beginning ponding time and comprehensive ponding time;
(8) utilize formula: synthetic water infiltration capability=rainfall intensity * comprehensive ponding time, calculate synthetic water infiltration capability.
The detection of water permeable ability is implemented in taboo when natural rainfall, detect descend to carry out in the situation of pervious surface bone dry behind the rain.
The present invention uses through engineering practice, and precision can reach more than 95%.
Claims (1)
1. a synthetic water infiltration capability test method for water permeable ground is characterized in that, may further comprise the steps:
(1) defines the synthetic water infiltration capability of permeable paving ground: the certain accumulation rainfall amount of the permeable paving ground of area when a certain constant rainfall intensity is issued to comprehensive ponding;
(2) on the pervious surface that has built up, select the test zone (5) of area greater than 1.4mX1.4m;
(3) test zone (5) surface is suitably handled, make its surperficial no-sundries, clean, and can reflect actual water permeability;
(4) be that the artificial rain device (2) of 1.4mX1.4m is installed on test zone (5) top with the effective rainfall area;
(5) determine the target test section (4) of 0.5mX0.5m at the center of the effective rainfall scope (6) on permeable paving ground surface, the outside of target test section (4) is 45cm apart from the border of effective rainfall scope (6);
(6) regulate rain maker (2), under certain raininess, carry out rainmaking;
(7) recording intensity of rainfall, rainfall duration, beginning ponding time and comprehensive ponding time;
(8) utilize formula: synthetic water infiltration capability=rainfall intensity * comprehensive ponding time, calculate synthetic water infiltration capability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101574144A CN101603915B (en) | 2009-07-28 | 2009-07-28 | Synthetic water infiltration capability test method for water permeable ground |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101574144A CN101603915B (en) | 2009-07-28 | 2009-07-28 | Synthetic water infiltration capability test method for water permeable ground |
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| Publication Number | Publication Date |
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| CN101603915A CN101603915A (en) | 2009-12-16 |
| CN101603915B true CN101603915B (en) | 2011-01-19 |
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| CN2009101574144A Expired - Fee Related CN101603915B (en) | 2009-07-28 | 2009-07-28 | Synthetic water infiltration capability test method for water permeable ground |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590058A (en) * | 2011-12-22 | 2012-07-18 | 中国地质大学（北京） | Method and special device for researching rapid rainwater infiltration law of different water permeable paving materials during rainfall |
| CN104198155B (en) * | 2014-09-17 | 2017-02-15 | 山东大学 | Device and method for approximate simulation of particle transport and permeable pavement blockage under runoff action |
| CN106769798B (en) * | 2017-04-01 | 2023-10-10 | 山东中科正拓新材料技术有限公司 | Water storage brick, permeable pavement performance detector and detection method |
| CN110146434B (en) * | 2019-06-14 | 2024-03-26 | 广东工业大学 | Urban outdoor green road cold plate testing device |
| CN113624664A (en) * | 2021-09-16 | 2021-11-09 | 北京市水科学技术研究院 | Simple and rapid on-site determination method for water permeable pavement performance |
Citations (3)
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| CN1737530A (en) * | 2005-08-01 | 2006-02-22 | 上海市政工程设计研究院 | Method for testing permeability coefficient and anti-pervasion gradient ratio |
| CN1994973A (en) * | 2006-12-25 | 2007-07-11 | 重庆交通大学 | Water-permeable eco-cement concrete and mechanic property test method and water-permeable pavement |
| CN101074912A (en) * | 2007-06-06 | 2007-11-21 | 河海大学 | Apparatus and method for testing cement concrete penetration performance under loading action |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737530A (en) * | 2005-08-01 | 2006-02-22 | 上海市政工程设计研究院 | Method for testing permeability coefficient and anti-pervasion gradient ratio |
| CN1994973A (en) * | 2006-12-25 | 2007-07-11 | 重庆交通大学 | Water-permeable eco-cement concrete and mechanic property test method and water-permeable pavement |
| CN101074912A (en) * | 2007-06-06 | 2007-11-21 | 河海大学 | Apparatus and method for testing cement concrete penetration performance under loading action |
Non-Patent Citations (3)
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| 侯立柱等.人工降雨条件下多层渗滤介质系统产流与入渗规律试验研究.《农业工程学报》.2006,第22卷(第9期),100-105. * |
| 侯立柱等.透水砖铺装地面垫层结构对城市雨水入渗过程的影响.《中国农业大学学报》.2006,第11卷83-88. * |
| 张文静等.混凝土透水砖透水持久性的研究.《新型建筑材料》.2006,22-24. * |
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