Title page for ETD etd-02182001-031406


Type of Document Master's Thesis
Author Krumnacher, Paul J.
Author's Email Address pkrum@swva.net
URN etd-02182001-031406
Title Lime and Cement Technology: Transition from Traditional to Standardized treatment Methods
Degree Master of Science
Department Science and Technology Studies
Advisory Committee
Advisor Name Title
Pitt, Joseph C. Committee Chair
Burian, Richard M. Committee Member
McDonald, Travis Committee Member
Keywords
  • Cement
  • Lime
  • Mortar
  • Masonry
  • Restoration
Date of Defense 2001-02-05
Availability unrestricted
Abstract
Lime and Cement Technology: Transition from Traditional to Standardized Treatment Methods

Paul J. Krumnacher

(ABSTRACT)

During the late eighteenth and throughout the nineteenth century masonry technology underwent a major transition, whereby, the production process increasingly absorbed techniques traditionally carried out by craftsmen. This transition also involved an increasing shift from lime technology to cement technology1. This influenced traditional work methods involving lime mortars as well as creating new methods for preparation of cement. Development of cement assisted the expansion of vital infrastructure such as roads, bridges, dams, sewers, and high-rise structures. In order to facilitate high-rise construction with cement, masonry units such as commercially produced brick were developed with similar strength and compression characteristics as cement.

Historically, lime mortar preparation involved multiple and variant treatment methods. These practices arose from generations of experimental practice, in order to determine which methods were most beneficial. Development of these skills was transferred from master to apprentice and from father to son. These treatment methods involved a calcium carbonate raw material and its conversion into a lime suitable for blending with aggregates, which resulted in a workable mortar for uniting building materials. Such lime building compounds included, stuccos, frescos, plasters, and mortars. The scope of this project involves primarily lime mortar, although treatment methods and materials are very similar for all of these five lime compounds.

Restoration of historic structures built with lime mortar creates challenges for architects, conservators, masons and all persons tasked with masonry restoration. Original masonry

Materials and methods involving lime technology have been superseded by cement technology with its own materials and techniques. Cement has failed to provide a successful role as a binder for the restoration of historic structures built with lime mortar. In order to maintain the integrity of historic structures, rediscovery and application of traditional lime technology can further bridge the gap between past and present masonry mortar.

Files
  Filename       Size       Approximate Download Time (Hours:Minutes:Seconds) 
 
 28.8 Modem   56K Modem   ISDN (64 Kb)   ISDN (128 Kb)   Higher-speed Access 
  Drafsst.PDF 1.32 Mb 00:06:05 00:03:08 00:02:44 00:01:22 00:00:07

Browse All Available ETDs by ( Author | Department )

dla home
etds imagebase journals news ereserve special collections
virgnia tech home contact dla university libraries

If you have questions or technical problems, please Contact DLA.