Redirect Notice
 The previous page is sending you to https://www.alamy.com/a-treatise-on-concrete-plain-and-reinforced-materials-construction-and-design-of-concrete-and-reinforced-concrete-2nd-ed-se-twoextremes-natural-cement-because-cheaper-than-portland-is-especiallyadapted-for-foundations-and-filhng-which-are-not-subject-to-stress-or-towear-puzzolan-cement-is-also-suitable-in-many-instances-the-weston-aqueduct-of-the-metropolitan-water-works-massachu-setts-built-on-a-gradient-of-one-in-5-000-has-in-loose-earth-a-typical-sectionshown-in-fig-221-in-compact-earth-the-excavation-is-narrower-andthe-width-of-base-is-reduced-as-shown-by-one-or-the-oth-image338166010.html.

 If you do not want to visit that page, you can return to the previous page.