CN105738569A - Testing device and testing method for rapidly determining root resistance of waterproof material - Google Patents

Abstract

The invention discloses a testing device and testing method for rapidly determining root resistance of a waterproof material.The testing device comprises a transparent testing box, a first layer of soil, a second layer of soil and plants, wherein the first layer of soil and the second layer of soil are arranged in the testing box, and the plants are planted on the second layer of soil.The waterproof material to be tested is arranged between the first layer of soil and the second layer of soil, and the outer wall of the testing box is provided with water guide tubes used for communicating the first layer of soil with the second layer of soil.According to the testing device and testing method for rapidly determining the root resistance of the waterproof material, the water guide tubes communicating the first layer of soil with the second layer of soil are arranged on the testing box, redundant water in the second layer of soil is drained to the first layer of soil, the effect of inducing the plants to grow downwards is achieved, the structure is simple, operation is convenient, and the testing period is greatly shortened.

Description

A test device and test method for rapid determination of root puncture resistance of waterproof materials

technical field

The invention belongs to the technical field of a waterproof material root puncture resistance test device, and in particular relates to a test device and a test method for quickly testing the root puncture resistance of waterproof materials.

Background technique

With the popularization and application of planting roof technology, the importance of root puncture-resistant materials has become increasingly prominent, and the root resistance performance of waterproof materials directly determines the service life of planting roofs. Preventing the occurrence of plant root resistance has become one of the key factors for the success of roof planting. Therefore, it is very necessary to select a suitable root puncture-resistant waterproofing membrane for roof planting, and scientific testing of the root-puncture-resistant performance of the waterproofing membrane is an essential link in the more effective selection of root-puncture-resistant waterproofing membranes.

At present, the domestic root puncture resistance test standard laboratory test time is 2 years, and the test cost of each sample in the laboratory is as high as 40,000 yuan, and the tested plants must be carried out under greenhouse conditions where the temperature, humidity, and wind speed are within a controllable range. Manage maintenance. This kind of detection method with high cost, long period and complicated experimental conditions makes many owners and construction units reluctant to conduct experiments during construction. Such a testing method is difficult to adapt to the rapid development of green buildings and roof planting in my country. Therefore, in order to better serve the industry and promote the development of roof greening, there is an urgent need for a rapid test method with short test time, low cost, and relatively simple experimental conditions, and is suitable for field tests on construction sites.

Contents of the invention

In order to solve the above-mentioned technical problems of long root puncture resistance test period, complicated test conditions and high cost, the present invention provides a test device and test method for quickly measuring root puncture resistance of waterproof materials with short test time, simple test conditions and low cost.

In order to solve the above problems, the present invention is realized according to the following technical solutions:

The test device for quickly testing waterproof material root puncture resistance of the present invention includes a transparent test box, a first layer of soil and a second layer of soil arranged in the test box, and plants planted on the second layer of soil. A waterproof material to be tested is arranged between the first layer of soil and the second layer of soil;

The outer wall of the test box is provided with an aqueduct for connecting the first layer of soil and the second layer of soil.

Further, it also includes a water spray control system, the water spray control system includes a humidity sensor for detecting soil moisture, a controller, and a shower, and the shower is connected to a water pipe;

The controller controls the shower to be turned on or off according to the soil humidity detected by the humidity sensor.

Further, the bottom of the waterproof material is provided with a load-bearing support frame, and the support frame includes a frame provided along the inner wall of the test box and connecting rods for connecting opposite sides of the frame.

Further, it includes a shade shed arranged above the plants;

The shade canopy includes a top cover and a bracket for supporting the top cover. The bracket includes a fixed column and a telescopic column sleeved in the fixed column. A fixing hole is provided on the fixed column. The telescopic column A number of adjustment holes are arranged at intervals along the axial direction, and the telescopic column and the fixed column are connected and fixed through the fixing hole through the positioning pin through the fixing hole.

Further, two mounting grooves are provided on the outer surface of the fixing column, and the opening directions of the two mounting grooves are 90 degrees; the wall of the test box is clamped in the mounting grooves.

Further, the bottom of the test box is provided with drainage holes.

Further, the bottom of the test box is provided with supporting feet.

Further, the opening of the water guide pipe in the second layer of soil is provided with a filter.

A test method for quickly testing waterproofing material root puncture resistance, comprising the following steps:

S1, laying the first layer of soil in the test box; the bottom of the test box is provided with drainage holes;

S2. Laying a support frame on the first layer of soil, the support frame includes a connecting rod provided with a frame along the inner wall of the test box for connecting the relative frame;

S3, laying waterproof material on the support frame;

S4, laying the second layer of soil on the waterproof material;

S5, planting plants on the second layer of soil;

S6. An aqueduct for connecting the first layer of soil and the second layer of soil is provided on the outer wall of the test chamber;

S7. A humidity sensor is set on the second layer of soil, and the controller controls the shower to be turned on or off according to the monitoring data of the humidity sensor; the shower is connected to the water pipe;

When the humidity sensor detects that the humidity of the second layer of soil is less than 50%, the controller controls the shower to turn on;

S8, a sunshade is set on the top of the test box, the shade includes a top cover, a support for supporting the top cover, and the support is a telescopic support;

S9. After three months of plant growth, observe whether there is puncture in the first layer of soil,

If so, stop the test immediately;

If not, after six months, remove the waterproof material, check the surface of the waterproof material, and check the penetration of plant roots; if the root penetration into the joint of the plane is less than 5mm, it indicates that the waterproof material meets the requirements for root puncture resistance.

Further, the said plant is bamboo, or pyracantha, or Euonymus japonicus, or Chinese pine, or sand cypress, or bluegrass.

Compared with prior art, the beneficial effect of the present invention is:

(1) The present invention makes the excess moisture in the second layer of soil be discharged into the first layer of soil by setting the aqueduct connecting the first layer of soil and the second layer of soil on the test box, and has the function of inducing the plants to grow downward. Function, simple structure, convenient operation, greatly shorten the test cycle.

(2) The present invention adopts the well-developed root system and fast-growing bamboo as the test plant, and adds the humidity automatic pouring system, and can observe the root puncture-resistant situation in six months, the degree of automation is high, and the test cycle is effectively shortened, saving time , Labor-saving and cost-saving. It breaks the need for a two-year test in a greenhouse with constant temperature and humidity. The invention and promotion of this test method will further improve the market's demand for testing services and contribute to the rapid development of green roofs.

Description of drawings

Below in conjunction with accompanying drawing, specific embodiment of the present invention is described in further detail, wherein:

Fig. 1 is the structural representation of the test device of rapid determination root puncture resistance of the present invention;

Fig. 2 is the use state diagram of the test device of rapid determination root puncture resistance of the present invention;

Fig. 3 is the installation schematic diagram of the support frame of the test device of fast determination root puncture resistance of the present invention;

Fig. 4 is a schematic structural view of the support of the test device for rapid determination of root puncture resistance according to the present invention.

detailed description

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

As shown in Figures 1 to 4, the test device for quickly measuring the root puncture resistance of waterproof materials according to the present invention includes a transparent test box 1, a first layer of soil 2 laid in the test box 1, and a first layer of soil placed on the first layer of soil. The support frame 4 on the 2, the waterproof material 5 spread on the support frame 4, the second layer of soil 6 spread on the waterproof material 5, the plant 9 planted on the second layer of soil 6, the bottom of the test box 1 is set There are drainage holes 11, and the outer wall of the test chamber 1 is provided with a water guide pipe 3 connecting the first layer of soil 2 and the second layer of soil 6. The water guide pipe 3 is a U-shaped water guide pipe, which is evenly distributed in the test chamber. On the side wall of the box 1, the opening of the water guide pipe 3 in the second layer of soil 6 is provided with a filter screen.

The support frame 4 includes a frame 41 and a connecting rod 42 , the frame 41 is clamped end to end on the inner wall of the test box 1 , and the connecting rod 42 is arranged between two opposing frames 41 . The connecting rods 42 form a "meter" shape, form a keel, support the second layer of soil 6, and prevent the second layer of soil 6 from collapsing due to insufficient strength of the waterproof material 5.

It also includes a humidity sensor 8, a shower 7, and a controller, the shower 7 is connected to the water pipe 71, and the controller controls the shower 7 to be turned on or off according to the humidity data of the second layer of soil 6 monitored by the humidity sensor 8, If the humidity of the second layer of soil 6 is less than 50%, the control shower 7 is turned on.

The test box 1 in the present embodiment is square, and the top of the plant 9 is also provided with a shade shed, the shade shed includes a roof 10, a support 12, and the support 12 includes a fixed column 121, which is sleeved on a fixed The telescopic column 122 in the column 121, the fixed column 121 is provided with fixing holes, the telescopic column 122 is provided with a number of adjustment holes at intervals along the axial direction, and the telescopic column 122 and the fixed column 121 are penetrated by positioning pins The fixing hole is connected and fixed with an adjusting hole. The outer surface of the fixing column 121 is provided with two installation grooves 123, and the opening directions of the two installation grooves 123 are 90 degrees;

The bottom of the test box 1 is also provided with supporting feet 13, which is convenient for observing the condition of the roots and hairs of the materials in the test box 1. The side wall of the test box 1 is made of transparent acrylic.

The plants are plants with well-developed roots, such as bamboo, pyracantha, euonymus, Chinese pine, sand cypress, bluegrass and the like.

A test method for quickly testing waterproofing materials against root puncture, comprising the following steps

S1, laying the first layer of soil 2 in the test box 1; the bottom of the test box 1 is provided with drainage holes 11;

S2, lay support frame 4 on the first layer of soil 2, described support frame 4 is provided with frame 41 along described test box 1 inner wall, is used to connect the connecting bar 42 of frame 41 that is oppositely arranged;

S3, laying waterproof material 5 on the support frame 4;

S4, laying the second layer of soil 6 on the waterproof material 5;

S5, plant plant 9 on the second layer of soil 6, the plant in the present embodiment is bamboo, also can be the plants with well-developed roots such as pyracantha, Euonymus, Chinese pine, sand cypress, bluegrass, etc., according to Select suitable plants according to the actual construction situation.

S6, the outer wall of the test box 1 is provided with a water guide pipe 3 for connecting the first layer of soil 2 and the second layer of soil 6;

S7. A humidity sensor 8 is set on the second layer of soil 6, and the controller controls the shower 7 to be turned on or off according to the monitoring data of the humidity sensor 8; the shower 7 is connected to the tap water 71;

When the humidity sensor 8 detects that the humidity of the second layer of soil is less than 50%, the controller controls the shower 7 to open;

S8, a sunshade is set on the top of the test box 1, the shade includes a top cover 10, a support 12 for supporting the top cover, and the support 12 is a telescopic support;

S9, after three months of plant growth, observe whether the first layer of soil 2 has a puncture phenomenon,

If so, stop the test immediately;

If not, after six months, remove the waterproof material 5, check the surface of the waterproof material 5, and check the penetration of plant roots; if the joints of the plant roots intruding into the plane are less than 5mm, it indicates that the waterproof material is resistant to root puncture. Require.

The present invention adopts test plants with well-developed roots and rapid growth, and sets up an automatic water spraying system. The situation of root puncture resistance can be observed in 6 months, which greatly shortens the test period, and the result of the test device is simple, easy to manufacture, and low in cost. It breaks the need for a 2-year test in a greenhouse with constant temperature and humidity, and can be widely used in modern roof greening construction tests.

For other structures of the test device for quickly testing the root puncture resistance of waterproof materials described in this embodiment, refer to the prior art.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form. Therefore, any modification, Equivalent changes and modifications all still belong to the scope of the technical solutions of the present invention.

Claims (10)

1. A test device for quickly testing waterproofing material root puncture resistance, characterized in that: comprise a transparent test chamber, the first layer of soil and the second layer of soil arranged in the test chamber, and the planted on the second layer of soil For plants, a waterproof material to be tested is arranged between the first layer of soil and the second layer of soil; The outer wall of the test box is provided with an aqueduct for connecting the first layer of soil and the second layer of soil. 2. according to the test device of claim 1 described quick test waterproof material anti-root puncture, comprise water spray control system, described water spray control system comprises the humidity sensor, controller, shower for detecting soil moisture, described flower The sprinkling is connected to the water pipe; The controller controls the shower to be turned on or off according to the soil humidity detected by the humidity sensor. 3. according to the test device of the described fast test waterproof material root puncture resistance of claim 1, the bottom of described waterproof material is provided with the support frame that is used for load-bearing, and described support frame comprises that frame is provided with along the inner wall of described test box, for Connecting rods connecting opposite sides of the frame. 4. according to the test device of quick test waterproof material root puncture resistance described in claim 1, comprise the shade shed that is arranged on described plant top; The shade canopy includes a top cover and a bracket for supporting the top cover. The bracket includes a fixed column and a telescopic column sleeved in the fixed column. A fixing hole is provided on the fixed column. The telescopic column A number of adjustment holes are arranged at intervals along the axial direction, and the telescopic column and the fixed column are connected and fixed through the fixing hole through the positioning pin through the fixing hole. 5. according to the test device of claim 4 described fast test waterproof material root puncture resistance, described fixed column outer surface is provided with two installation grooves, and the opening direction of two installation grooves becomes 90 degrees; The case wall of described test chamber It is clamped in the installation groove. 6. According to the test device for quickly testing the root puncture resistance of waterproof materials according to any one of claims 1 to 5, the bottom of the test box is provided with drainage holes. 7. The test device for quickly testing waterproof material root puncture resistance according to claim 6, the bottom of the test box is provided with supporting feet. 8. according to the test device of quick test waterproofing material root puncture resistance described in claim 7, the opening that described aqueduct is in the second layer of soil is provided with filter screen. 9. A test method for quickly testing waterproof material root puncture resistance, characterized in that: comprising the following steps S1, laying the first layer of soil in the test box; the bottom of the test box is provided with drainage holes; S2. Laying a support frame on the first layer of soil, the support frame includes a connecting rod provided with a frame along the inner wall of the test box for connecting the relative frame; S3, laying waterproof material on the support frame; S4, laying the second layer of soil on the waterproof material; S5, planting plants on the second layer of soil; S6. An aqueduct for connecting the first layer of soil and the second layer of soil is provided on the outer wall of the test chamber; S7. A humidity sensor is set on the second layer of soil, and the controller controls the shower to be turned on or off according to the monitoring data of the humidity sensor; the shower is connected to the water pipe; When the humidity sensor detects that the humidity of the second layer of soil is less than 50%, the controller controls the shower to turn on; S8, a sunshade is set on the top of the test box, the shade includes a top cover, a support for supporting the top cover, and the support is a telescopic support; S9. After three months of plant growth, observe whether there is puncture in the first layer of soil, If so, stop the test immediately; If not, after six months, remove the waterproof material, check the surface of the waterproof material, and check the penetration of plant roots; if the root penetration into the joint of the plane is less than 5mm, it indicates that the waterproof material meets the requirements for root puncture resistance. 10. according to the test method of claim 9 described rapid test waterproofing material resistance to root puncture, described plant is bamboo, or pyracantha, or euonymus, or Chinese pine, or sand cypress, or bluegrass.