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Gi?i thi?u v? h? th?ng n?n h? san c?
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<div class="field field-name-field-image field-type-image field-label-hidden"><div class="field-items"><div class="field-item even"><img typeof="foaf:Image" src="http://m.77gcw.com/sites/default/files/styles/large/public/field/image/195764984_184113420389861_3906210839759948767_n.jpg?itok=TDH_UbDU" width="480" height="360" alt="Gi?i thi?u v? h? th?ng n?n h? san c?" title="Gi?i thi?u v? h? th?ng n?n h? san c?" /></div></div></div><div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><strong>(AVG) Trong vài th?p k? tr? l?i ?ay, san c? nhan t?o có m?t ? kh?p m?i n?i và ???c ?ng d?ng r?ng r?i trong l?nh v?c th? d?c th? thao, ngày càng ???c nh?ng ng??i yêu th? thao ?a chu?ng s? d?ng . Khi c? nhan t?o kh?ng ng?ng phát tri?n, thì m?i ng??i có c? h?i ???c t?n h??ng ni?m vui mà c? nhan t?o mang l?i cho cu?c s?ng c?a con ng??i.?Nhi?u nhà th?u c?ng trình, ??n v? thi c?ng, ch? ??u t?, ch? san bóng?và nh?ng chuyên gia nghiên c?u trong ngành ??u có nhu c?u c?p thi?t v? vi?c xay d?ng các san c? nhan t?o.</strong></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><em><strong><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Làm th? nào ?? xay d?ng m?t san bóng ch?t l??ng cao, ?? l?a ch?n nhà s?n xu?t và v?t li?u c? phù h?p nh?t, ?? thi?t k? và xay d?ng </span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">theo quy chu?n</span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">, và</span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">?</span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">c? s? h? t?ng m?t san</span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">???t</span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">?tiêu chu?n, an toàn?</span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">?</span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">V?y chúng ta h?y cùng tìm hi?u t? b??c ??u tiên và c?ng là b??c quan tr?ng nh?t quy?t ??nh ch?t l??ng san c? - thi c?ng n?n h?.?</span></span></span></strong></em></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><img alt="" src="/sites/default/files/117147912_2569974513220397_3535490039175846997_n.jpg" style="width: 600px; height: 325px;" /></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">N?n h? là b??c thi c?ng ??u tiên c?a b?t k? c?ng trình nào. L?p n?n ph?i t?t, ch?c ch?n?thì m?i có th? xay d?ng lên m?t c?ng trình ch?t l??ng. N?u ph?n n?n kh?ng ???c thi c?ng theo quy ho?ch và quá trình phù h?p, s? khi?n cho nó?kh?ng ??m b?o ch?t l??ng, ?nh h??ng tr?c ti?p ??n ch?t l??ng san c? v? sau.?<span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Nh? thì ch? làm gi?m tính n?ng v?n ??ng và tu?i th? c?a san c?; n?ng thì có th? gay ra nh?ng v?n ?? nghiêm tr?ng liên quan ??n ch?t l??ng. Vì v?y, thi c?ng n?n h? ??m b?o?tiêu chu?n</span><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">?là ?i?u ki?n tiên quy?t quy?t ??nh ?? thi c?ng m?t san c? ch?t l??ng.?</span></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><strong><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">1.?Các lo?i n?n h?</span></span></strong></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><em><strong>a,?<span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">N?n Asphalt (nh?a ???ng)</span></strong></em></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Th??ng s? d?ng lo?i nh?a ???ng r?ng, giúp thoát n??c d? dàng, m?t san b?ng ph?ng và mang l?i hi?u qu? kinh t? cao. ???c ?ng d?ng trong thi c?ng san bóng ??t tiêu chu?n FIFA, san khúc c?n c?u, san bóng r?, trung tam th? d?c th? thao, san bóng tr?ng ?i?m tr??ng c?p ba,….</span></span></span><span style="font-family: "Times New Roman"; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><p></p></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><em><strong><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">b,?</span>N?n bê t?ng</strong></em></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">N?n bê t?ng ???c s? d?ng r?ng r?i, có ??n 80% san c? s? d?ng lo?i n?n này vì ph??ng pháp thi c?ng ??n gi?n, h?u nh? ??i thi c?ng nào c?ng n?m ???c k? thu?t xay d?ng; chi phí v?a ph?i nên ???c ?a s? ch? ??u t? l?a ch?n.?</span></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><em><strong><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">c,?</span>N?n xi m?ng</strong></em></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">Chi phí th?p, th?i gian thi c?ng ng?n, thoát n??c t?t, là gi?i pháp kinh t? h?u hi?u thay th? cho n?n bê t?ng ??i v?i nh?ng d? án ng?n h?n.??</span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><em><strong>d,?N?n ?á base</strong></em></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><em><strong><img alt="" src="/sites/default/files/200902076_184113390389864_7371493892686621737_n_0.jpg" style="width: 600px; height: 450px;" /></strong></em></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Dùng ?á d? ???c nghi?n nh? d?i lên m?t san, dày t?i thi?u 12cm. ?? ??m b?o ?? b?ng ph?ng c?a san, ng??i ta hay tr?i thêm m?t l?p m?t. t?o ?? ph?ng cho m?t san và x? ly nh?ng ?i?m l?i l?m trên m?t san mà l?p base ( có kích th??c v?t li?u l?n) kh?ng th? x? ly. </span></span></span><span style="font-family: "Times New Roman"; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><p></p></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">?ay là n?n san khá ph? bi?n t?i Vi?t Nam, ???c nhi?u ch? ??u t? ?a chu?ng s? d?ng.?</span></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;"><strong><span style="background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">? 2.?</span>?? d?c thoát n??c</strong></span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">?? d?c thoát n??c ki?m soát d??i 0.5%. ??i v?i san bóng 5 ng??i, khuy?n khích s? d?ng h? th?ng thoát n??c hai bên, san 7 tr? lên nên s? d?ng h? th?ng thoát n??c mai rùa</span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><strong><em><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">a, Gi?i pháp thoát n??c b? m?t</span></span></em></strong><b><span style="font-family: "Times New Roman";"><p></p></span></b></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">?ay là ph??ng pháp ???c s? d?ng ph? bi?n và c?ng là ph??ng pháp quan tr?ng ?? thoát n??c b? m?t cho san c?. Th?ng qua ?? d?c theo ph??ng d?c và ngang c?a san bóng mà 80% l??ng n??c m?a ???c thoát ra ngoài san. Vì v?y b?t bu?c vi?c thi c?ng ???d?c thoát n??c ph?i ??t tiêu chu?n nghiêm ng?t. Hi?n nay, có r?t nhi?u h? th?ng san bóng c? nhan t?o ???c thi c?ng, xay d?ng. ?? ??m b?o h? th?ng thoát n??c hi?u qu?, kh?ng gay ra tình tr?ng ? ??ng n??c trên san, c?n ??c bi?t chú y thi c?ng ph?n n?n h? theo tiêu chu?n quy ??nh.?</span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><em><strong><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">b,?Gi?i pháp thoát n??c ph?n n?n</span></span></strong></em></p>
<p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">Gi?i pháp này th??ng ???c thi c?ng trong nh?ng san s? d?ng n?n Asphalt (nh?a ???ng). San c? ???c thoát n??c d?a vào h? th?ng bó v?a hai bên. Ph?n n??c còn l?i sau khi n??c b? m?t ???c thoát ra ngoài s? th?m xu?ng l?p n?n san, ch?y xu?ng nh?ng r?nh n??c ???c xay phía d??i san và ???c thoát ra h? th?ng r?nh ngoài san. M?t khác, gi?i pháp thoát n??c này còn có th? c? l?p m?ch n??c ng?m và duy trì l??ng n??c t? nhiên trên b? m?t san, c?c k? phù h?p v?i nh?ng san c? t? nhiên</span></span></p>
<p>?</p>
<p><strong><em><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">c,?Gi?i pháp thoát n??c c??ng ch?</span></span></em></strong><b><span style="font-family: "Times New Roman";"><p></p></span></b></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">Gi?i pháp này ???c s? d?ng kh?ng nhi?u, ch? y?u ?ng d?ng thi c?ng trong các san có h? th?ng t??i tiêu nh? san khúc c?n c?u, san c? t? nhiên hay san c? h?n h?p. M?c ?ích ?? v?a ??m b?o hi?u su?t thoát n??c cho san c?, v?a gi? hàm l??ng n??c nh?t ??nh cho san.?</span></span></p>
<p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">Thi c?ng n?n h??là ?i?u ki?n tiên quy?t ?? ??m b?o ch?t l??ng c?a san v?n ??ng, vì v?y vi?c thi c?ng ph?i ???c ti?n hành theo ?úng quy chu?n, sau khi thi c?ng xong ph?i ti?n hành nghi?m thu ch?t l??ng theo tiêu chu?n. Các h?ng m?c nghi?m thu và yêu c?u ch?t l??ng san c? bao g?m:</span></span></p>
<p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">+ Ph?n m?t n?n: M?t n?n c?n b?ng ph?ng, kh?ng g? gh?, g?n sóng, kh?ng c?n tr? thoát n??c.</span></span></p>
<p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">+ Sau 120 phút thoát n??c, m?c n??c ??ng l?i trên san <= 4mm.</span></span></p>
<p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">+ ?? d?c thoát n??c <0,7% ± 0,15%.</span></span></p>
<p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">+ ?? ch?t n?n ??t: Lu nèn ?n ??nh >93%</span></span></p>
<p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">+ T? l? chu?n: M?t n?n b?ng ph?ng, ?? d?c >=85</span></span></p>
<p><span style="font-size:14px;"><span style="font-family:arial,helvetica,sans-serif;">+ Sai s? ?? dày: Sai s? ?? dày cho phép ±10%</span></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-family: "Times New Roman";"><p></p></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-family: "Times New Roman";"><p></p></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-family: "Times New Roman"; color: rgb(0, 0, 0); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><p></p></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-family: "Times New Roman"; color: rgb(0, 0, 0); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><p></p></span></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><b><span style="font-family: "Times New Roman"; color: rgb(0, 0, 0); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><p></p></span></b></p>
<p class="p" style="padding: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-family: "Times New Roman"; color: rgb(0, 0, 0); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><p></p></span></p>
</div></div></div>
Sat, 21 Aug 2021 11:41:13 +0000
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