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-s5884" xml:space="preserve">
                <pb o="87" file="0275" n="286" rhead="LIVRE III. DE LA CONSTRUCTION DES TRAVAUX."/>
              neux ne valent rien pour cela; </s>
              <s xml:id="echoid-s5885" xml:space="preserve">toutes les ſaiſons ne ſont pas propres
                <lb/>
              non plus pour le gaſonnage, le tems le plus convenable eſt le Prin-
                <lb/>
              tems & </s>
              <s xml:id="echoid-s5886" xml:space="preserve">l’Automne.</s>
              <s xml:id="echoid-s5887" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5888" xml:space="preserve">Il faut environ 250 gaſons & </s>
              <s xml:id="echoid-s5889" xml:space="preserve">12 faſcines pour une toiſe quarrée
                <lb/>
              de gaſonnage, il ſemble que 216 gaſons devroient ſuffire, mais on
                <lb/>
              en compte 40 de plus pour remplacer ceux de rebut, un bon ga-
                <lb/>
              ſon peſe ordinairement 15 liv. </s>
              <s xml:id="echoid-s5890" xml:space="preserve">& </s>
              <s xml:id="echoid-s5891" xml:space="preserve">un Chariot en voiture 100.</s>
              <s xml:id="echoid-s5892" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5893" xml:space="preserve">Un bon Coupeur de gaſons peut en couper juſqu’à 1500 dans
                <lb/>
              un jour d’Eté & </s>
              <s xml:id="echoid-s5894" xml:space="preserve">la moitié ſeulement dans un jour d’Hyver, le Ga-
                <lb/>
              ſonneur en peut poſer & </s>
              <s xml:id="echoid-s5895" xml:space="preserve">raſer 10 toiſes quarrées dans un jour, & </s>
              <s xml:id="echoid-s5896" xml:space="preserve">
                <lb/>
              même d’avantage s’il’eſt bien ſervi pour la terre & </s>
              <s xml:id="echoid-s5897" xml:space="preserve">pour la faſcine.</s>
              <s xml:id="echoid-s5898" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5899" xml:space="preserve">Je ne dis rien ici du tunage & </s>
              <s xml:id="echoid-s5900" xml:space="preserve">du clayonage, parce que je me
                <lb/>
              propoſe d’en parler dans l’Architecture Ydraulique; </s>
              <s xml:id="echoid-s5901" xml:space="preserve">je paſſe auſſi
                <lb/>
              ſous filence quantité de petits détails au ſujet de la maniere de tra-
                <lb/>
              vailler les terres, qui ne ſont point aſſés de conſequence pour me-
                <lb/>
              riter une attention particuliere.</s>
              <s xml:id="echoid-s5902" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5903" xml:space="preserve">A l’égard des Foſſes qui environnent les ouvrages, leur excava-
                <lb/>
              tion ne doit point être plus profonde que le niveau de la derniere
                <lb/>
              retraite des fondemens; </s>
              <s xml:id="echoid-s5904" xml:space="preserve">mais quand ils ſont à ſec, on obſerve pour-
                <lb/>
              tant de leur donner un peu de talud en venant du pied du rempart
                <lb/>
              dans le milieu, & </s>
              <s xml:id="echoid-s5905" xml:space="preserve">du pied de la contreſcarpe dans le même milieu
                <lb/>
              afin de faciliter l’écoulement des eaux de pluye.</s>
              <s xml:id="echoid-s5906" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5907" xml:space="preserve">Quand la contreſcarpe n’eſt point revêtuë, on donne aux bords
                <lb/>
              du Foſſé un talud égal à ſa profondeur, & </s>
              <s xml:id="echoid-s5908" xml:space="preserve">à meſure qu’on aprofon-
                <lb/>
              dit, on fait d’abord des banquettes au lieu de talud pour faciliter
                <lb/>
              les allées & </s>
              <s xml:id="echoid-s5909" xml:space="preserve">venuës des travailleurs: </s>
              <s xml:id="echoid-s5910" xml:space="preserve">&</s>
              <s xml:id="echoid-s5911" xml:space="preserve">, après’que la vuidange eſt
                <lb/>
              faite, ces banquettes ſont coupées pour former le talud dont je
                <lb/>
              viens de parler. </s>
              <s xml:id="echoid-s5912" xml:space="preserve">On donne auſſi un ſemblable talud au pied des ou-
                <lb/>
              vrages de terraſſe qui ont une berme.</s>
              <s xml:id="echoid-s5913" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5914" xml:space="preserve">Je ne parle point de la largeur ni de la hauteur que l’on donne
                <lb/>
              au terre-plain des rempars, parce que cela doit être reglé par les
                <lb/>
              profils, je dirai cependant que le talud interieur de tous les rem-
                <lb/>
              parts ont une fois & </s>
              <s xml:id="echoid-s5915" xml:space="preserve">demi leur hauteur; </s>
              <s xml:id="echoid-s5916" xml:space="preserve">c’eſt-à-dire que ſi un
                <lb/>
              rempart à 12 pieds de haut, on lui en donnera 18 de talud.</s>
              <s xml:id="echoid-s5917" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5918" xml:space="preserve">Je ne dois point oublier de dire ici que quand on forme les faces
                <lb/>
                <note position="right" xlink:label="note-0275-01" xlink:href="note-0275-01a" xml:space="preserve">Voyez la
                  <lb/>
                14
                  <emph style="sub">e</emph>
                . Plan-
                  <lb/>
                che qui
                  <lb/>
                comprend
                  <lb/>
                l’élevation
                  <lb/>
                d’un front@
                  <lb/>
                de Fortifi-
                  <lb/>
                cation.</note>
              des Baſtions, demi-Lunes, contre-Gardes, &</s>
              <s xml:id="echoid-s5919" xml:space="preserve">c. </s>
              <s xml:id="echoid-s5920" xml:space="preserve">on obſerve de leur
                <lb/>
              donner plus d’élevation aux angles ſaillans qu’aux extrêmités: </s>
              <s xml:id="echoid-s5921" xml:space="preserve">je
                <lb/>
              veux dire que ces faces ont une petite pente en venant de l’angle
                <lb/>
              ſaillant aux extrêmités, qui eſt reglée ſuivant la longueur que doi-
                <lb/>
              vent avoir ces faces, cela contribuë à donner plus de grace à un ou-
                <lb/>
              vrage & </s>
              <s xml:id="echoid-s5922" xml:space="preserve">à le couvrir contre les enfilades. </s>
              <s xml:id="echoid-s5923" xml:space="preserve">Mais quand on a ſeule- </s>
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