By ACI Committee 555

ISBN-10: 0870310615

ISBN-13: 9780870310614

This record offers details on removing and reuse of hardened concrete. assistance for evaluation of concrete buildings for entire or partial demolition is equipped. The applicability, benefits, barriers, and protection issues of varied different types of concrete removing equipment, together with hand instruments, hand-operated strength instruments, vehicle-mounted gear, explosive blasting, drills and saws, nonexplosive demolition brokers, mechanical splitters, heating and thermal instruments, and hydrodemolition (water-jet blasting), are supplied. The on hand floor removing systems,their possible purposes, and benefits and drawbacks of assorted different types of floor removing structures are mentioned. concerns for comparing and processing waste concrete for construction of aggregates compatible for reuses in concrete building are awarded.

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In his memoir, Morillon’s only remark about airpower was more positive than MacKenzie’s. ‘‘It is not sufficient to be passively protected against the threats, it is necessary to be able to make them stop by responding to them . . ’’33 However, Morillon, like the other early commanders, left the former Yugoslavia before NATO airpower was ready for air-toground missions in Bosnia. Lt Gen Francis Briquemont of Belgium succeeded General Morillon, and Briquemont had much more to say about NATO airpower in his memoir, Do Something, General!

28 Regardless of one’s views on the wisdom of either bombing strategy, the point to be noted here is that even when the questions of whether and how to use force were considered together, the answers did not always reflect the preferred military options. 29 As Petraeus studied the period after Vietnam, he found that military influence over how force was used surpassed the influence that uniformed leaders exercised on decisions over whether force was to be used. Petraeus concluded that the military have exercised the most influence, however, once the decision to use force has been made—when the focus has become how to use force, and when decision makers have turned to consideration of the options available to accomplish the objectives established by the president.

56 Deny Flight is worth documenting and analyzing for a number of reasons. Others have studied it in order to draw theoretical lessons about the employment of airpower in peace support activities,57 but no one has yet studied the roles of the theater-level commanders and their influence on the use of airpower. Deny Flight was unique in that divisions at the political level within the UN, within NATO, and between the UN and NATO made it impossible for political authorities in either the UN or NATO to give clear instructions to their theater commanders about the objective for employing airpower.

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ACI 555R-01: Removal and Reuse of Hardened Concrete by ACI Committee 555

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