Shaking Table, Mining Equipment, Gravity Table manufacturer / supplier in China, offering Shaking Table for Placer Gold Concentration Machine, Mobile Mining Processing Plant Movable Mining Plant Equipment Trommel Screen, Trommel Screen for Sand Gold Mineral Washing Machine and so on.
Jiangxi Gandong Mining Equipment Machinery Manufacturer is a large beneficiation service company specialized in designing, manufacturing, installing and debugging of mining equipment as well as providing flow sheet design and course training of beneficiation, now our factory is the largest manufacturer and supplier of gravity mining equipment in China. Our factory has 12 years experience in mining equipment manufacturing, two special factories directly under the factory specialized in the manufacture of ...
Imagine you've just moved into a new home that comes complete with a brand new kitchen. Its tile floors are gorgeous but they seem like a pain to keep up with. Many people are advising you to seal the tile floors, but you thought it was just the grout that needed to be sealed. What's the proper way to take care of your beautiful tiles?
It's important to realize that there are two parts of a tile floor...the tile and the grout. Most of the floor is made up of the actual tiles but the grout is just as important. It's the often overlooked material that holds the tiles in place. Grout needs to be sealed. It's naturally porous and will stain easily. Most installers of tilefloors do not seal them because grout has to cure first. It's something you should do to keep your grout looking it's best. As a bonus, sealed grout is much easier to keep clean.
Sealing is done to strengthen tile or grout's defenses against dirt, spills, and erosion of grout, but not all tile needs to be sealed. If your tile is ceramic or porcelain, it probably won't need to be sealed. There are some exceptions to this, so check with your manufacturer to be sure. If your tile is stone (slate, marble, granite, travertine, etc.) then it will need to be sealed. Stone is naturally porous and will absorb spills and stain fairly easily.
You can sometimes tell if your tile or grout have been sealed by spreading a few drops of water on them. If they darken or change color, they are probably not sealed. If they stay the same, they may have already been sealed.
It's always a good idea to follow your manufacturer's instructions on a schedule for sealing grout and tile. If tile job was completed years ago it may need to be resealed. If your tile work is in an outdoor area the elements will likely wear it down faster. However, grout in unventilated bathrooms is exposed to a lot of humidity and moisture which can cause it to break down. If you notice loose tiles or your grout flaking off when youwash the tub it might be time to have it redone.
While sealing your tiles and grout will help protect them from stains, accidents still happen. If you notice a stain on your tiles, just rub it with a mild bleach solution. Be careful not to scrub your tiles with anything too stiff, like a metal brush, that could scratch or damage the tiles. Grout usually needs to set for about a month before it can be sealed. If it gets stained before it's sealed just use the mild bleach solution and scrub lightly. If you seal the stained grout, you will probably never be able to get the stain out again.
We have invested millions of dollars in our own test labs and factories. So our tools will go toe-to-toe with the top professional brands. And we can sell them for a fraction of the price because we cut out the middleman and pass the savings on to you. It's just that simple!
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Development and experimental validation of cavity-wall retrofit solutions.Shaking table testing of two URM cavity-walls and four retrofitted cavity-walls.Use of mechanical screw ties or of a combination of screws and timber strong-backs.Experimental simulation of in-situ conditions for the URM cavity-wall arrangements.Definition of failure modes, PGA at cracking and failure and displacement profiles.
Masonry cavity-wall construction incorporates a continuous air gap that separates the inner and outer brick leaves of the wall cross-section. This wall configuration was originally developed because of improved thermal performance and in particular reduced moisture transmission across the wall, as the presence of the air-cavity serves to capture and drain moisture back to the building exterior. However, it was subsequently established that clay-brick unreinforced masonry (URM) cavity-wall buildings typically exhibit poor seismic performance due to inadequate connections between the separate masonry leaves in the wall cross-section. Experimental shaking table testing of five cavity-walls was undertaken with an emphasis on developing and experimentally validating simple and efficient retrofit solutions to improve cavity-wall seismic capacity. Wall specimens closely simulated in-situ conditions for the URM cavity-wall arrangements that are most commonly encountered in New Zealand. Two different retrofit solutions were tested, namely, the addition of mechanical screw-ties with different spacings or a combination of mechanical screw-ties and timber strong-backs. Specimen construction details, retrofit procedures, test set-up and results are presented herein. Reported results include observed crack-patterns, peak ground acceleration (PGA) corresponding to both induced initial cracking and failure, acceleration and displacement profiles at failure, and quantification of the improvement in seismic capacity from using the proposed retrofit techniques.