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The high quality PET non woven geotextile should be protected from damage before installation. The geotextile rolls should be stacked in a place where there is no water accumulation, the height of the pile should not exceed four rolls, and the identification piece of the roll can be seen. Resistance strain gauge measurement is commonly used in strain measurement of geosynthetic materials. In this method, the strain gauge is attached to the surface of the object to be tested, and the strain change process of the measured point is recorded by the principle that the resistance of the strain gauge changes with the mechanical deformation of the object to be measured.

The wholesale long fibre filament needle punched geotextile has the advantages of lightweight, low cost, corrosion resistance, anti-filtering, drainage, isolation, reinforcement, etc. The following is a high quality PET non woven geotextile production method. The short-fiber needle-punched short-fiber combing machine or the waste cotton opening machine is used to make a cotton net.

Then, the air mesh is arranged in a cross-stack, or directly formed by an air-laid machine to achieve the isotropic property of the cloth, and then a set of needles or a plurality of sets of needles are used to perform the needle-punched fiber web. The fibers are entangled with each other and pressed together to form a nonwoven fabric. This method is suitable for the production of thick geotextiles. It is characterized by high density, fluffy structure, thick, good water absorption and water permeability, and high resistance to deformation. It is especially suitable for filtration and drainage projects.

The spunbond process melts the particles or powder of the polymer and then enters the extruder and is spun into a continuous filament bundle through one or a series of spinnerets. The filaments are then irregularly arranged by rotating the spinneret or by controlling the air flow, changing the speed of the conveyor belt, passing current, etc., and laying them on a conveyor belt to form a fiber web. The bonding of the web is carried out by hot pressing or bonding with a binder, or by needle punching, to form a continuous uniform high quality PET non woven geotextile. It can be used in various projects such as reinforcement, separation, filtration, and drainage.

The hot sale prepainted color galvanized coil, because it has its own characteristics when it is used, it will naturally let it use it in many places now. What kind of characteristics does it have when it is used by itself? The first aspect is that it is in its own anti-corrosion performance, because for metal, it will give itself a certain corrosive performance when it is used by itself, and because of this, some are used by themselves. It will make it have a big drop in its life.

 

Therefore, because the hot sale prepainted galvanized steel coil has its own large corrosion resistance and wear resistance. So naturally, when it is used by itself, it can make itself perform well in life. On the other hand, when it is used by itself, it will also let it have its own beautiful appearance. Now more users are using it themselves because it has its own advantages in its own aesthetics. This is naturally because it is doing its own processing on the surface, naturally it will make it beautiful. Sex has its own advantages.

 

Then, the use of hot sale prepainted color galvanized coil, it has a great reduction in its own price, although there are some metal type anti-corrosion materials, but when it is used by itself, because of the improvement of the material, it will naturally Let it use it to maximize the price increase on its own products, and the most important thing for users when using the product is that it is reduced at its own price, and it is only for The surface is processed, so it can also reach the maximum lower level at its own price.

1. In order to the safety of geotechnical materials, the packaging film should be opened before laying, that is, a roll, a roll, and high quality pond liner textured hdpe geomembrane inspection appearance quality.
2. The worn geomembrane must be repaired by laying and heat-bonding small pieces, the thermal connection must be strictly controlled to ensure that the patch and the geomembrane are tightly combined and not damaged.
3. Before the end of each day, visually inspect the surface of all paving materials on the day to ensure that all damaged areas have been marked and repaired immediately to determine that there are no foreign substances on the paving surface that may cause damage.
4. At the bottom of the landfill, if the crack exceeds 10% of the width of the coil, the damaged part shall be cut off and then the two geomembranes shall be connected. If the crack exceeds 10% of the width of the coil on the slope, The geomembrane is removed and replaced with a new one for the bentonite waterproof blanket.

Geomembrane anti-seepage geotechnical materials, presumably many customers should be familiar with it. One of the most concerned issues is the issue of high quality textured hdpe geomembrane welding. Today, we will introduce you to the welding of HDPE geomembrane in special parts. Let's take a look at it:

1. Connection of dam pipe and geomembrane: Firstly, the high quality textured hdpe geomembrane is cut into a trumpet-shaped pipe sleeve according to the diameter of the leachate through the dam pipe, divided into 6-8 small pieces, and then the pipe sets are ordered from large to small. The sleeve is inserted into the dam tube, and the position of the sleeve is adjusted appropriately and temporarily fixed by a hot air welding torch. The sleeve cannot be suspended, and finally the sleeve of the sleeve is welded to the HDPE geomembrane and the leachate through the dam tube. The geomembrane is reinforced with stainless steel hoops.

2. At the intersection of the slope of the reservoir area and the bottom of the reservoir, there are many blind trenches in the design. First, the high quality textured hdpe geomembrane is laid along the dam surface at a distance of 1.5 meters away from the blind ditch and then connected to the base film. The welding of the adjacent two pieces is: first welded and then pressed into the blind ditch.

3. The intersection of the slope, that is, the bend of the dam slope: laying and welding are special cases. Special cutting according to the actual conditions can make the HDPE geomembrane close to the dam slope base, otherwise it will cause “hanging” or “drumming” phenomenon. In this area, the operator should carefully measure the high quality textured hdpe geomembrane into an inverted trapezoid with a narrow upper and lower width.

What are the types of steel coil?

A. Hot rolled coil is a steel sheet heated by a billet. The thickness of wholesale hot rolled steel coil is between 2 mm and 13.5 mm. Generally, the price of hot rolled coil is cheaper than that of flat plate.

B. The raw materials of cold-rolled coils are the same as those of hot-rolled coils. The process of knowledge processing is different. The high quality cold rolled steel coil china is transformed into coil by repeated cold rolling, pickling and cold rolling. This kind of steel plate has a smaller scope of use and its price is cheaper than that of hot-rolled coils.

C. Galvanized Steel Coil made in China, as its name implies, is coated with zinc metal on the surface of the steel plate. The main purpose of this is to prevent the surface of the steel plate from being corroded and to increase its service life. Galvanized sheet coil can be divided into hot dip galvanized steel sheet, galvanized steel sheet, composite galvanized steel sheet and color galvanized steel sheet according to different processing methods.

D. The high quality prepainted color galvanized coil is made of galvanized sheet coil as the base material, repeatedly spraying paint on the galvanized sheet, and then through complex processing procedures. This kind of roll has many colors, such as yellow, blue, red and white teeth. Because of the moderate price, it is widely used as wall and roof.

Common uses of high quality pond liner textured hdpe geomembrane

1. Environmental protection, sanitation: such as landfills, sewage treatment plants, power plant conditioning pools, industrial, hospital solid waste. 

2. Water conservancy: such as rivers and lakes reservoir dam seepage, plugging, reinforcement, anti-seepage of the canal, vertical core wall, slope protection. 

3. Municipal works: subway, building underground engineering, planting roofing, roof garden anti-seepage, sewage pipeline. 

4. Garden: artificial lake, river, reservoir, the bottom of the golf course, slope protection, green lawn, waterproof and moisture. 

5. Bentonite waterproof blanket petrochemical: chemical plant, refinery, oil tank anti-seepage, a chemical reaction tank, sedimentation tank lining, secondary lining and so on. 

smooth pond liner hdpe geomembrane supplier 

Company Name: Tai'an Dingkun New Material Co., Ltd. 

Address: Room 606, Building B, Xuri Building, Tai'an City, Shandong Province Contact: Jenny Ma 

E-mail: [email protected]

Now the steel industry is developing better and better. The former iron products are easy to rust and easy to corrode and not durable. The cold rolled steel coil factory in stock is also slowly replacing the original iron products. The cold rolled coils have good surface quality, high smoothness and are not easily oxidized. Business welcome. Moreover, many consumers are entangled in the purchase process. What is the difference between cold rolled coil and cold rolled strip? Let's talk about their differences today:

 

Cold rolled coils are often called cold rolled coils. Due to the cold work hardening caused by continuous cold deformation, the strength and hardness of the rolled hard rolls are increased, and the toughness index is lowered. Therefore, the punching performance is deteriorated only for the parts that are simply deformed.

 

The cold-rolled steel sheet is processed from a hot-rolled sheet at a normal temperature. Although the steel sheet is heated during the processing because of rolling, it is called cold rolling. Since the cold rolling of the hot rolling through the continuous cold deformation is relatively poor in mechanical properties, the hardness is too high. It must be annealed to restore its mechanical properties. The unrolled hard rolled coil is usually used for products that do not require bending.

 

The cold-rolled coil is produced by rolling hot-rolled coils at room temperature below the recrystallization temperature, including plates and coils. Many domestic steel mills such as Baosteel, Wuhan Iron and Steel, and Anshan Iron and Steel can produce. The steel plate, also called the steel plate, is also called the steel plate, which is called the steel plate or the flat plate.

 

Cold rolled coils are used in a wide variety of applications such as automotive manufacturing, electrical products, rolling stock, aviation, precision instruments, and food cans. Cold-rolled steel sheet is the abbreviation of ordinary carbon structural steel cold-rolled sheet. Also known as cold-rolled coil, cold plate is sometimes mistakenly written as cold-rolled sheet.

1. After all the high quality Galvalumed steel sheet is placed on the roof or several independent units are hoisted, the seams are adjusted. The seams are adjusted to be smooth and straight, and the width of the joints is as uniform as possible. Generally, the width is 20-30mm.

2. Welding: After the board joint adjustment is completed, the board and structure are welded. Each plate is welded at least 3 points, the welding length is 6cm, the thickness is 4mm, and the welding slag is removed after welding. If it is not guaranteed to weld more than three points, the plates are connected by steel bars.

3. Caulking: After welding, a polystyrene rod (polyethylene foam rod) with a diameter of 1.5 times is used to seal the bottom of the gap from top to bottom.

4. Caulking: Use 1:6 cement perlite mortar to fill the gap and compact it. The core material is dry and thick. It is better to use steel bars or trowels when filling the joints.

5. When the core material has a certain strength, brush a layer of polymer mortar in the gap, and the thickness is 1mm.

The above is the whole process of installation and construction.


https://www.chinahengzesteel.com/galvalumed-steel-sheet/

Along the perimeter of the building on the low cost color-coated corrugated roofing sheet, prevent a ring of aerated concrete prosthetic plates. The length of the provocative version is twofold: 1500 mm and 1800 mm, and the length of the pick is one-third, 500 mm and 600 mm, by drilling, grouting, ribbing and roofing of the rear of the provocative version. The corner plate can be reinforced concrete provocative version, but in the design, the blood medicine should pay attention to a few points:

1. When the front and rear wall sections are laid in a vertical direction with the roof panel, the prosthetic version should be anchored on the two roof panels.

2. The plaster should be nailed to the wire mesh.

3. If the drain is welded with a thin steel plate, special attention should be paid to the anti-corrosion treatment.

4. The drilling depth should be 25 mm smaller than the total thickness of the picking panel and the roof panel must not be penetrated.

In the design of the roof panel, we must pay more attention to some details, so as to continuously promote the development of China's roofing panel industry, and let more consumers rest assured the quality of the manufacturer's roofing panel products, so it is fundamental for the roofing panel manufacturers. It is very important to make a good product.

The low price grinding disc is one of the important grinding tools. Because it has low heat resistance, good self-sharpness, simple production, short process cycle, and certain elasticity, it is widely used. In the process of use, we must pay attention to some problems. After summing up, we mainly summarize the following 5 points:

1. Before using the low price grinding disc, be sure to check the product for cracks, products, and dumb sounds. If it is, it cannot be used.

2. The speed of the grinding disc must not exceed the specified safe working line speed.

3. Do not use the end face grinding disc exclusively. Please do not work with the end face of the grinding disc.

4. When cheap grinding disc is working on the workpiece, please do not push the workpiece with the lever to increase the pressure on the grinding disc.

5. Special dressing tools should be used for dressing the grinding disc. Operators must wear protective goggles when trimming.

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Bitcoin forecast to 2029

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