Soil shear strength is an important indicator of soil erosion sensitivity and the tillage performance cultivated layer. Measuring at a field scale difficult, time-consuming, costly. This study proposes new method to predict parameters (cohesion internal friction angle) by combining cone penetration test (CPT) data properties. A portable CPT measuring device with two pressure sensors was designe...

Cone Penetration Test or CPT is one of soil investigation which used to determine the mechanical properties i.e., cone resistance and sleeve friction. Since several decades ago, often as a common thread physical such unit weight soil, behaviour type, etc. Thus, empirical approaches have been developed from various countries. However, these are not same condition in Indonesia. Therefore, it nece...

Because of the deltaic nature Netherlands, deep soft soil deposits are widespread. Due to population density exploitation underground space is vital for commercial developments and transport networks. Piles used as primary support elements in excavations, cut cover tunnels, quay walls, flood defences provide uplift resistance base tunnels basements. This paper examines empirical correlations li...

Cone penetration testing (CPT) is a cost effective and popular tool for geotechnical site characterization. CPT consists of pushing at constant rate an electronic penetrometer into penetrable soils recording cone bearing (qc), sleeve friction (fc) dynamic pore pressure (u) with depth. The measured qc, fs u values are utilized to estimate soil type associated properties. A method from measuremen...

We study the lags with which new technologies are adopted across countries, and their penetration rates once they are adopted. Using data from the last two centuries, we estimate both the extensive and the intensive margins of technology adoption. We document two new facts: there has been convergence in adoption lags between rich and poor countries, while there has been divergence in penetratio...

Pentesting is becoming an important activity even for smaller companies. One of the most important economic pressures is the cost of such tests. In order to automate pentests, tools such as Metasploit can be used. Post-exploitation activities can, however, not be automated easily. Our contribution is to extend Meterpreter-scripts so that postexploitation can be scripted. Moreover, using a multi...

When connected in small amounts, the impact of distributed generation (DG) on distribution system stability will be negligible. However, if its penetration level becomes higher, distributed generation may start to influence the dynamic behavior of the system as a whole. This paper presents a mathematical representation of a solid oxide fuel cell plant that is suitable for use in distribution sy...

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