Commercial buildings and homes are frequently constructed on lots which are not flat. In these cases, drainage and waterproofing may become important issues. Any time there is a change in grade of the foundation slab, there is a possibility of water appearing on the downhill side of the grade [...]
The question as to when the proper time to apply the stressing force to the post tensioned cable in this type of reinforced foundation is of considerable interest. If you apply the stressing load too soon you have the danger of pulling cable anchorages out of the green concrete. If you wait too long [...]
Austin and Central Texas abounds with geologic faults, the most prominent of which is the Balcones Fault, or “fault system”. These faults are especially common in a band, which runs north and south through Austin and similar areas in Georgetown, Round Rock, Buda, Kyle, San Marcos, New [...]
This subject has received attention from many sources for many years, but nevertheless remains a hot topic with regard to design and construction of lightly loaded, shallow foundations in Central Texas. The prime design problem for these foundations is swelling or expansive clays. A shallow [...]
Shrinkage cracks in concrete slab-on-ground foundations are a significant public relations problem to home builders. All concrete will shrink during the curing process which lasts up to a year after the time concrete is placed in the forms. Curing involves loss of water from within the concrete, [...]
Fill is a broad subject that is frequently a factor in residential foundation construction. Most often, fill is a legacy the builder inherits when he buys lots which have been filled by the developer.
Fill can generally be divided into three types:
One of the more disagreeable features of construction concrete is its ability to generate cracks. Cracks are of several varieties. Some are very fine, almost invisible to the naked eye, some are large and ominous looking. There are two basic types of cracks; the first type is shrinkage related while [...]
If you would be interested in having MLAW Engineers present a one to two hour seminar on soils, foundations or structures, call (512) 835-7000. We can tailor our program content to your specific needs.