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Filtering by: Creator Graf, Samuel Herman, 1887- Subject Engineering

Expanded shale aggregate in structural concrete

Creator:

Oregon State College. Engineering Experiment Station, Ritchie, Dwight Dameron, 1914-, and Graf, Samuel Herman, 1887-

Resource Type:

Technical Report
Ignition temperatures of various papers, woods, and fabrics

Creator:

Oregon State College. Engineering Experiment Station and Graf, Samuel Herman, 1887-

Resource Type:

Technical Report
Interpretation of exhaust gas analyses

Creator:

Graf, Samuel Herman, 1887-, Gleeson, G. W., and Paul, W. H.

Abstract:

Purpose of the study. In any field of research in which many investigators are engaged, points of difference are inevitable, and the present subject is no exception. Many recommendations have appeared in the literature and a survey makes it quite obvious that some of these have been made without the...

Resource Type:

Technical Report
The properties of cement-sawdust mortars, plain, and with various admixtures

Creator:

Johnson, Raymond Hawley, 1905- and Graf, Samuel Herman, 1887-

Abstract:

Purpose and scope of study. Inquiries from farmers, county agents, and contractors requesting information concerning the use of sawdust as an aggregate in Portland cement mortar or concrete have been received frequently enough to draw attention to the problem. This work was under· taken witk the view of obtaining data...

Resource Type:

Technical Report