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>
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              ploye la graiſſerie comme on vient de le dire; </s>
              <s xml:id="echoid-s5279" xml:space="preserve">à l’égard de la brique,
                <lb/>
              on commence par poſer une premiere aſſiſe de deux briques & </s>
              <s xml:id="echoid-s5280" xml:space="preserve">demi
                <lb/>
              d’épaiſſeur, une ſeconde de deux briques, & </s>
              <s xml:id="echoid-s5281" xml:space="preserve">une troiſiéme d’une & </s>
              <s xml:id="echoid-s5282" xml:space="preserve">
                <lb/>
              demi, chaque aſſiſe bien arraſée avec du moîlon, après quoi on
                <lb/>
              recommence tout de nouveau une aſſiſe de deux briques & </s>
              <s xml:id="echoid-s5283" xml:space="preserve">demi,
                <lb/>
              une ſeconde de deux briques, & </s>
              <s xml:id="echoid-s5284" xml:space="preserve">une troiſiéme d’une brique & </s>
              <s xml:id="echoid-s5285" xml:space="preserve">demi
                <lb/>
              toûjours bien liées & </s>
              <s xml:id="echoid-s5286" xml:space="preserve">arraſées avec le moîlon & </s>
              <s xml:id="echoid-s5287" xml:space="preserve">la graiſſerie. </s>
              <s xml:id="echoid-s5288" xml:space="preserve">Quand
                <lb/>
              on eſt parvenu à la derniere aſſiſe de graiſſerie & </s>
              <s xml:id="echoid-s5289" xml:space="preserve">qu’on veut faire
                <lb/>
              de brique le reſte de la hauteur du parement, on la poſe par aſſiſe
                <lb/>
              reglée comme on vient de le voir pour l’interieur, & </s>
              <s xml:id="echoid-s5290" xml:space="preserve">afin de rendre
                <lb/>
              la liaiſon plus parfaite, on peut de trois en trois aſſiſes faire une
                <lb/>
              chaîne de deux briques d’épaiſſeur ſur toute l’étenduë de l’ouvrage
                <lb/>
              poſées plain ſur joint.</s>
              <s xml:id="echoid-s5291" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5292" xml:space="preserve">Les ſoûbaſſemens d’un mur étant faits, ſi on éleve le reſte du pa-
                <lb/>
              rement avec du moîlon, on a ſoin de le bien ébouſiner & </s>
              <s xml:id="echoid-s5293" xml:space="preserve">de le
                <lb/>
              tailler juſqu’au vif, l’on ſe ſert encore de boutiſſes & </s>
              <s xml:id="echoid-s5294" xml:space="preserve">de pannereſſes,
                <lb/>
              en obſervant toûjours de ne les poſer que plain ſur joint, car ce ſe-
                <lb/>
              roit un deffaut groſſier de voir deux ou pluſieurs joints perpendi-
                <lb/>
              culaires ſur un même allignement, parce que le mur n’en ſeroit pas
                <lb/>
              ſi ſolide, & </s>
              <s xml:id="echoid-s5295" xml:space="preserve">choqueroit le coup d’œil. </s>
              <s xml:id="echoid-s5296" xml:space="preserve">Dans les ouvrages que l’on
                <lb/>
              veut faire proprement, on a égard, non-ſeulement de donner la mê-
                <lb/>
              me hauteur à toutes les pierres qui doivent compoſer les aſſiſes;
                <lb/>
              </s>
              <s xml:id="echoid-s5297" xml:space="preserve">mais encore de les tailler de façon que la largeur des pannereſſes
                <lb/>
              ſoit double de celles de la tête des boutiſſes, afin d’obſerver une
                <lb/>
              bonne liaiſon & </s>
              <s xml:id="echoid-s5298" xml:space="preserve">un certain ordre de ſimétrie qui fait un fort bel
                <lb/>
              effet.</s>
              <s xml:id="echoid-s5299" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5300" xml:space="preserve">Les Anciens étoient extrémement attentifs à travailler les pare-
                <lb/>
              mens des Edifices conſiderables: </s>
              <s xml:id="echoid-s5301" xml:space="preserve">ils en rendoient les joints preſque
                <lb/>
              imperceptibles, ce qui a fait croire, comme il y a toute aparence,
                <lb/>
              qu’il leur arrivoit quelquesfois de bâtir ſans mortier, aimant mieux
                <lb/>
              tailler les pierres ſi juſtes, que leur ſituation & </s>
              <s xml:id="echoid-s5302" xml:space="preserve">leur poids puſſent
                <lb/>
              fuffire pour donner à l’ouvrage toute la fermeté poſſible. </s>
              <s xml:id="echoid-s5303" xml:space="preserve">Ils avoient
                <lb/>
              encore recours à une pratique aſſés ingenieuſe pour rendre les pa-
                <lb/>
              remens polis: </s>
              <s xml:id="echoid-s5304" xml:space="preserve">ils tailloient bien proprement les faces des pierres
                <lb/>
              qui devoient être unies les unes contre les autres, & </s>
              <s xml:id="echoid-s5305" xml:space="preserve">laiſſoient un
                <lb/>
              pouce de velu à celles qui devoient compoſer le parement, quand
                <lb/>
              l’ouvrage étoit entierement achevé on recoupoit ces pierres en ra-
                <lb/>
              valant; </s>
              <s xml:id="echoid-s5306" xml:space="preserve">ainſi, quand ils ſe ſervoient de mortier, il ne paroiſſoit preſ-
                <lb/>
              que point, & </s>
              <s xml:id="echoid-s5307" xml:space="preserve">le tout ne ſembloit être compoſé que d’une ſeule
                <lb/>
              pierre.</s>
              <s xml:id="echoid-s5308" xml:space="preserve"/>
            </p>
            <p>
              <s xml:id="echoid-s5309" xml:space="preserve">Outre les pierres de parement dont on vient de parler, & </s>
              <s xml:id="echoid-s5310" xml:space="preserve">que </s>
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