Why can glass break even though no one hit it?
Learn why glass can break without an impact, how thermal breakage occurs and how to protect windows, doors and large sliding glass units.
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Knowledge that helps when choosing windows and doors.
Selected articles about windows, doors, glass, wood, finishing and maintenance.
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How to choose the best glass for joinery and save money?
How to choose glass for windows and doors? We compare double- and triple-glazed units, Ug and g values, argon, and the best price-to-insulation ratio.
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Calculation of settlement
settlement calculation, soil compaction, centered load, isolated footing, strip footing, shape of footing strip, footing rigidity
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Soil bearing capacity
shallow foundations, strip foundation, isolated footing, soil bearing capacity, ultimate soil bearing capacity, soil failure, foundation depth
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Earth pressure on tunnels
Earth pressure on tunnels, retaining walls for tunnels, lateral pressure, base pressure, Kommerell method, tunnel lining, crown pressure
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Passive earth pressure on retaining walls
An archival overview of passive earth pressure and the Coulomb, Culmann and Rebhann-Poncelet graphical methods for retaining walls.
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Active earth pressure on retaining walls
An archival overview of earth pressure at rest, active and passive earth pressure, Coulomb theory and the position of the resultant force.
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Stability of earth slopes
An archival overview of earth-slope equilibrium, causes of sliding, typical slip surfaces and the effects of water on cuts, embankments and natural slopes.
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Determining soil bulk density, moisture and porosity
An archival technical overview of laboratory and field methods for determining soil bulk density, moisture and porosity.
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Determination of Atterberg limits, capillarity and soil permeability
soil capillarity, soil permeability, Atterberg limits, liquid limit, cohesion, Cassagrande
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Soil compressibility and the oedometer test
An archival technical overview of soil compressibility, the oedometer test and the interpretation of basic consolidation diagrams.
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Soil cohesion and angle of internal friction
An archival overview of the apparatus, procedures and diagrams used to determine soil cohesion and the angle of internal friction.
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Articles related to selection, use and maintenance.
Featured topics help explain glass, wood, surface protection, and window and door systems.
01 Why can glass break even though no one hit it? Thermal glass breakage and ways to reduce the risk. → 02 How to choose the best glass for joinery and save money? A guide to choosing glass for windows and doors. → 03 The real truth about wooden joinery Existing article about choosing between wooden and PVC windows. → 04 Repair or purchase new wooden windows? Existing article about restoring or replacing wooden windows. → 05 Protecting windows from water and sun Article about protecting wooden windows from weather exposure. → 06 Windows and doors Overview of the role and basic parts of windows and doors. → 07 Glass at a different altitude Article about the effect of altitude differences on insulating glass. → 08 Wood moisture — why it is important to understand it Article about wood moisture and its importance in processing. → 09 Painting and varnishing wooden doors and windows Article about preparation and finishing of wooden surfaces. → 10 Wood-joining technique Article about joints in wooden elements. → 11 Weight and moisture of wood Existing article related to the properties of wood. →
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