Papworths Construction Testing Equipment

CBR stands for California bearing ratio; It is the penetration test which is used to evaluate the mechanical adaptability of the soil mass in the natural ground level. The rate is measured to assess the bearing capacity of the soil surface. The basic procedure of conducting the CBR test on the soil is as follows: Ø   First, weight of the empty mould is taken. Ø   And then, keep the spacer disc on the base plate and then place the filter paper on the disc and then fix the mould to the base plate with the plate inside a shape and append the collar over the mould. Ø   Add water to the specimen collected and then compact the same by the standard or modified proctor test. Ø   After the compaction, you need to remove the collar and then the surface needs to be levelled-up by using the cutting edge. Ø   Then the base plate needs to detach and removed from the spacer disc. Ø   Now take the total weight of the mould with the compacted specimen and then determine

Construction of a building begins below ground level – because that is where foundations are made. Foundations support the load of the entire building, and that is why every measure is taken to make sure that they are constructed right. Take piles, for example – once they are cast, there is no way of knowing if everything went alright. Earlier, in order to check if piles were casted right, they used to be pulled out – which defeated the whole purpose. These days, Ground Penetrating Radar is used to check consistency and homogeneity of anything that is underground in the construction industry. Principle of GPR GPR makes use of a high frequency radio signal. When you place the device on top of the structural element you want to examine, the device emits a radio signal which travels through the structure, and returns to the device. It works exactly like a radar or sonar – if there are any anomalies in the homogeneity of the structure, the behavior of the radio signal will show up