Wavy Mortar in Concrete Block Walls - is the wall collapsing? Here we point out a special type of crack showing wavy, unbroken mortar as compelling evidence of the time of damage occurrence: before the mortar had hardened. The article notes that combinations of block foundation wall damage may...
which may include pulling forces, convergence-induced horizontal compression and gravitational instabilities. The stress field is explained by Newton's laws and by the density distribution in the studied volume. Numerical modelling reported abnormally high strain rates in the seismic...
In the top part of the block-like element, a lateral inflow opening is located in the filling tube. The block-like wedge-shaped element is driven in at the masonry side into the ground down to the foundation base. During withdrawal, sealing material is fed under pressure into the clearance...
In accordance with Mohr theory, the stress states, which are located outside the strength envelope line portrayed in terms of Mohr circles, indicate that rock will crack or start to yield. After simultaneously drawing up Mohr circles as well as envelope lines of weak planes and rock matrix as...
and the main roof block will form a more stable hinge structure after breaking several times; on the one hand, it will bear the weight of the easily broken roof above the main roof and on the other hand, it will act on the gangue in the goaf and transfer part of the weight to the...
The foundation pit bottom is located in the silty clay of layer ⑤. The retaining system includes a diaphragm wall and a trench-cutting remixing deep wall, together with internal support. Dewatering, drainage, and water proof measures are adopted to control ground water. The surrounding ...
block of shale A blockin oSfi cshhuaalen in Sichuan direction 4.16 4.16 direction 1.041.04 direction 151.250.20 direction 2299.0.000 SiSmimilairlasrh aslheale 0.42 0.42 0.100.10 1.51.5 22.9.9 22.2.2. .EExxp...
All image processing is conducted in MATLAB (R2017b, MathWorks®, NImataigcek, MA, USAF)e.ature Preprocessing Extraction Angle Measurement Deflection Detection Auto-focus Figure 7. Software system design block diagram of image processing. Image processing technology is the core of the software ...