建筑知识

The cost and preferences for building  badminton courts  will vary. It is based on many factors like quality, purpose, material availability, vendors etc. But lets consider only factors that affect the way the game is actually being played. The difference in the construction of badminton courts varies primarily based on the material used for the flooring of the court. As such, there are three  types of courts  – Wooden, synthetic and cement. In this piece, we’ll look at why some surfaces are preferred over the rest for mainstream use. Cement and Polished stone aren’t built for humans Concrete courts and polished stone courts have poor bounce and shock absorption. They also become slippery, if there is dust on them. People with weak knees and ankles should avoid playing for long periods of time on these courts, as the impact can hurt the knees, ankles, shinbone and feet. This leaves us with wooden and synthetic flooring materials as the o...

Metal roofs offer several advantages, including a longer life cycle than roofing materials such as asphalt and cedar.  Metal roofs  can withstand elements such as hail, heavy rain and snow as well as high winds. Metal roofs have also been praised for protecting homes during forest and bush fires. In fact, in many areas, insurance companies offer homeowners up to a 30% reduction in homeowner's insurance when installing a metal roof. Three different styles are available: standing seam roofs, panel roofs and similar looking materials including tile, cedar or slate. Standing seam metal roofs have large ribs and require crimping or welding to join them. Panel roof panels are similar to standing seam roof panels, however, these need to be screwed in. With the exception of screw-in panels, metal roofing installations require special training. Why should homeowners consider metal roofing? Metal roofs offer several advantages, including a longer life cycle than roofing materials such a...

 Cast iron is one of the most extensively used alloys of ferrous. It is made from pig iron by the  process of casting  and hence the name. Pig iron is placed in the furnace along with other alloying elements and melted until the molten mixture is obtained. The molten mixture is then poured in casts or molds of required dimension and left to solidify. The resultant solid obtained is the cast iron which finds its use in a myriad of industries. Advantages: 1. Good castability (low Tm, good fluidity) 2. Good machinability (graphite cast irons) 3. Antivibration properties 4. Low-stress concentration 5. Sensibility   Types of cast iron The properties of  iron casting  can vary according to the alloying elements added. The cast iron’s properties can be manipulated by varying the alloying constituents. The main alloying elements added to the cast iron are carbon and silicon. Based on the amount of the alloying elements added, the cast iron can be classified into gr...

  Arch Steel bridge  is a bridge that is made from materials such as steel or reinforced concrete. The deck is within the arch, and cables or beams that are in tension suspend the central part of the deck from the arch. We have professional engineering team to design, manufacture and construct the steel briges of this type. The Arch Steel bridge structure is to convert the vertical load of the deck into a part of the horizontal thrust, and the arch mainly bears the pressure. The arch steel bridge is mainly composed of the superstructure and the substructure. The arch ring of the superstructure is the main load-bearing structure, and the substructure includes the pier, abutment and foundation.   Steel Arch Bridge  Design There are many factors that affect the Steel Arch Bridge Design. In general, these factors are related to function, cost, safety, aesthetics, traffic demand capacity, foundation conditions, erection procedure, cleara...

Choosing the right  pump  for your slurry application can be a daunting task due to the balance of many factors including pressure, flow rate, abrasiveness, viscosity, particle size and particle type. There are several  types of pumps  suitable for  pumping slurries , but there are some important factors to consider before deciding which technology to use. You can follow these four simple steps to determine which type of slurry pump is best for your particular application. 1. Determine the Nature of the Material Being Pumped Consider the following. Size, shape and hardness of the particles (which affect the potential for wear and corrosion of the pump components), corrosiveness of the slurry. 2. Consider the pump components If it is a  centrifugal pump , is the design and material used to manufacture the impeller adequate to pump the slurry? What types of materials are used to manufacture the pump? Are the pump discharge components suitable for the slurry b...

Roller bearings  have linear contact, rather than point contact, which gives them greater load carrying capacity and higher impact resistance. The rollers themselves come in a variety of shapes, namely cylindrical and tapered.  Tapered roller bearings  can withstand large thrust loads. Cylindrical roller bearings can only withstand limited thrust loads. Tapered Roller Bearings Tapered roller bearings are radial thrust rolling bearings whose rolling bodies are tapered rollers. There are small taper angle and large taper angle two kinds. Small taper angle mainly bear radial load, mainly radial and axial combined load. Often used in pairs, reverse installation. Inner ring and outer ring can be installed separately. Installation and use of radial and axial clearance can be adjusted; large taper angle is mainly subjected to axial and radial combined load, mainly axial load. Generally not used to bear pure axial load alone. Features of Tapered Roller Bearings Low fric...

Glass fused steel tank  is made of glass and steel plate, special sealing materials, self-locking screws and other materials. The thickness of the enameled steel plate can be up to 20mm, the most commonly used steel plate thickness is 3~10mm, the surface of the steel plate has oil, contains rust, contains oxidation skin, after the pretreatment process such as shot blasting, sand blasting, the surface of the steel plate will be very clean. After the electric furnace 900 ℃ high temperature secondary enamel, the steel plate on both sides of the enamel coating of 0.3mm. The bond between the enamel coating and the steel plate is strong. The enamel coating not only prevents corrosion of the tank, but also has the effect of resistance to strong acid and alkali. And has extremely strong wear resistance. Large-capacity storage tanks are an important infrastructure for petroleum, chemical, fire, food processing, sewage treatment, gas and other industries, storage tanks play an impo...