Bélidor, Bernard Forest de, La science des ingenieurs dans la conduite des travaux de fortification et d' architecture civile

Table of Notes

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            <p>
              <s xml:id="echoid-s4037" xml:space="preserve">
                <pb o="22" file="0200" n="206" rhead="LA SCIENCE DES INGENIEURS,"/>
              pour la premiere; </s>
              <s xml:id="echoid-s4038" xml:space="preserve">c’eſt-à-dire que l’on jettera encore dans le ſecond
                <lb/>
              baſſin autant d’eau qu’on en aura tirée d’abord, & </s>
              <s xml:id="echoid-s4039" xml:space="preserve">que l’on broyera
                <lb/>
              la Chaux tout de nouveau pour en faire ſortir les ſels, deſorte que
                <lb/>
              l’ayant encore laiſſée raſſéoir pendant 24 heures, on ſe ſervira de
                <lb/>
              l’eau dont elle ſera ſubmergée pour éteindre la nouvelle Chaux vive
                <lb/>
              qu’on mettra dans le premier baſſin; </s>
              <s xml:id="echoid-s4040" xml:space="preserve">quant à celle qui ſera reſtée
                <lb/>
              dans le ſecond, on pourra l’employer aux gros ouvrages où l’on n’y
                <lb/>
              prend pas garde de ſi pres, car elle ne ſera pas abſolument ſi deſti-
                <lb/>
              tuée de ſel qu’elle ne puiſſe encore ſervir. </s>
              <s xml:id="echoid-s4041" xml:space="preserve">Je connois d’habiles gens
                <lb/>
              qui ont pratiqué pluſieurs fois ce que je viens de dire, & </s>
              <s xml:id="echoid-s4042" xml:space="preserve">qui s’en
                <lb/>
              ſont bien trouvés; </s>
              <s xml:id="echoid-s4043" xml:space="preserve">ils m’ont aſſuré avoir fait par ce moyen de meil-
                <lb/>
              leure Chaux que celle de Boulogne avec la matiere du monde la
                <lb/>
              plus ingrate: </s>
              <s xml:id="echoid-s4044" xml:space="preserve">il eſt vrai qu’il en coûtera beaucoup plus; </s>
              <s xml:id="echoid-s4045" xml:space="preserve">mais l’œ-
                <lb/>
              conomie ne doit point prévaloir ſur les moyens de faire les choſes
                <lb/>
              le mieux qu’il eſt poſſible, quand il s’agit de certains ouvrages qui
                <lb/>
              demandent abſolument d’être travaillés avec précaution: </s>
              <s xml:id="echoid-s4046" xml:space="preserve">par exem-
                <lb/>
              ple, dans les places où la Chaux eſt ſort mauvaiſe, & </s>
              <s xml:id="echoid-s4047" xml:space="preserve">où l’on re-
                <lb/>
              marque que les murs de paremens des ouvrages ſe dégradent au
                <lb/>
              bout de quelques années, parce que le mortier n’a pas aſſez de
                <lb/>
              corps pour réſiſter à l’injure des ſaiſons, l’on pourroit en fabriquer
                <lb/>
              de deux ſortes; </s>
              <s xml:id="echoid-s4048" xml:space="preserve">l’un ſuivant les précautions que je viens de dire ſer-
                <lb/>
              vira à la conſtruction de tout ce qui eſt expoſé à l’air; </s>
              <s xml:id="echoid-s4049" xml:space="preserve">& </s>
              <s xml:id="echoid-s4050" xml:space="preserve">l’autre
                <lb/>
              fait comme à l’ordinaire pourra être employé dans le reſte de l’é-
                <lb/>
              paiſſeur des murs, & </s>
              <s xml:id="echoid-s4051" xml:space="preserve">aux contreforts. </s>
              <s xml:id="echoid-s4052" xml:space="preserve">Car enſin la néceſſité doit
                <lb/>
              rendre ingenieux. </s>
              <s xml:id="echoid-s4053" xml:space="preserve">Eſt-il, dit qu’à cauſe qu’on eſt dans un endroit où
                <lb/>
              les materiaux ſont mauvais, qu’on ne puiſſe faire de bonne Maçon-
                <lb/>
              nerie? </s>
              <s xml:id="echoid-s4054" xml:space="preserve">Je ſuis perſuadé que quand on voudra s’en donner la peine
                <lb/>
              on trouvera mille moyens de corriger la nature par le ſecours de
                <lb/>
              l’art.</s>
              <s xml:id="echoid-s4055" xml:space="preserve"/>
            </p>
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          <div xml:id="echoid-div258" type="section" level="2" n="78">
            <head xml:id="echoid-head211" xml:space="preserve">CHAPITRE SIXIE’ME.</head>
            <head xml:id="echoid-head212" style="it" xml:space="preserve">Des détails qui ont rapport à la Conſtruction de la Maçonnerie.</head>
            <p>
              <s xml:id="echoid-s4056" xml:space="preserve">APrès avoir enſeigné dans les Chapitres précédens le choix que
                <lb/>
              l’on devoit faire des materiaux en general, je vais faire voir
                <lb/>
              dans celui-ci les details dans leſquels il faut entrer pour juger du
                <lb/>
              prix des Ouvrages afin d’en paſſer le marché aux Entrepreneurs,
                <lb/>
              nous ne parlerons d’abord que de ce qui peut apartenir à la Maçon- </s>
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