Luận văn thạc sĩ Địa kỹ thuật xây dựng: Nghiên cứu gia cố nền bằng cột đất trộn xi măng cho dự án đường Mậu Thân - Sân bay Trà Nóc, Thành phố Cần Thơ

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KҧQăQJFKӏXWҧLWUӑQJWӟLKҥQWKHRFѫFKӃSKiKRҥLNKӕL

6ӭFFKӕQJFҳWGӑFWKHRPһWSKiKRҥLFҳWTXDWRjQEӝNKӕLVӁTX\ӃWÿӏQKNKҧ QăQJFKӏXWҧLNKLÿyNKҧQăQJFKӏXWҧLJLӟLKҥQFӫDQKyPFӝW[LPăQJ- ÿҩWÿѭӧF WtQKWKHR

Q gh , QKyP = 2C usoil H[B+L] +k.C usoil BL (2.14)

7URQJÿy B, L, H: FKLӅXUӝQJFKLӅXGjLYjFKLӅX FDRFӫDQKyPFӝW[LPăng - ÿҩW kKӋVӕDQWRjQSKөWKXӝFYjRKuQKGҥQJPyQJ

N NKLPyQJKuQKFKӳQKұWWӭFOj/ > B) N NKLPyQJKuQKYX{QJWUzQ

C usoil OӵFGtQKWUXQJEuQKFӫDÿҩW\ӃX[XQJTXDQK 7X\QKLrQÿӇFѭӡQJÿӝÿҩWQӅQSKiWWULӇQWӕLÿDWKuFKX\ӇQYӏFӫDQӅQӣÿi\

NKӕLSKҧLNKiOӟQNKRҧQJyEӅUӝQJFӫDÿi\NKӕLFKRQrQQJѭӡLWDÿӅQJKӏ NK{QJQrQVӱGөQJVӭFFKӏXWҧLFӫDQӅQӣÿi\NKӕLWURQJWKLӃWNӃ

KҧQăQJFKӏXWҧLWUӑQJWӟLKҥQWKHRFѫFKӃSKiKRҥLFөFEӝ

KҧQăQJFKӏXWҧLJLӟLKҥQFy[pWÿӃQSKiKRҥLFөFEӝӣUuDNKӕLFӝW[LPăQJ- ÿҩWSKөWKXӝFYjRÿӝEӅQFKӕQJFҳWWUXQJEuQKFӫDÿҩWGӑFWKHRPһWSKiKRҥLJҫQ WUzQQKѭWURQJKuQKĈӝEӅQFҳWWUXQJEuQKFyWKӇWtQKQKѭNKLWtQKәQÿӏQKPiLGӕF KҧQăQJFKӏXWҧLJLӟLKҥQFyFK~êÿӃQSKiKRҥLFөFEӝÿѭӧFWtQKWKHRELӇXWKӭF sau: q gh = 5,5C tb (1+0,2 l b ) (2.15)

ĈӝO~QәQÿӏQK

1KuQ FKXQJ FiF TXL WUuQK WtQK WRiQ ÿӝ O~Q FӫD 7UXQJ 4XӕF &KkX ặX $,7 9LӋW1DPÿӅXSKkQÿӝO~QFӫDQӅQWKjQKSKҫQ

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2.2.1.1 ĈӝO~QFӫDEҧQWKkQNKӕLJLDFӕ6 1 ) a 7KHRWLrXFKXҭQ JLDFӕFӝWÿҩWWUӝQ[LPăQJ &KkXặX

- Ĉ͡ O~Q6Fͯa c͡Wÿ̭t tr͡n [LPăQJ ÿѭӧF[iFÿӏQKWKHRF{QJWKӭc ¦ '

S 1 ÿӝ O~QFӫa cӝWÿҩt trӝn xiPăQJ h: bӅ Gj\OӟSÿҩt yӃu trong phҥPYLÿѭӧc gia cӕ q: ip lӵFJk\O~Q a = A/c 2 : tӹ sӕ WtQKÿәi diӋQWtFK A: diӋQWtFKWLӃt diӋn ngang cӫa cӝt c: khoҧQJFiFKJLӳDWkPFiFFӝt

E cӑc , E ÿҩt : m{ÿXQELӃn dҥng cӫa cӝt ÿҩt trӝn [LPăQJYjFӫDÿҩWFKѭDÿѭӧc gia cӕ

C ucӝt : cѭӡQJÿӝ cҳWNK{QJWKRiWQѭӟc cӫa cӝWFyÿѭӧc tӯ kӃt quҧ WKtQJKLӋPYj VRViQKYӟi kӃt quҧ thӵFÿӏDWUrQFiFFӑFÿѭӧFWKtQJKLӋm b Theo DBJ 08-40-FӫD7UXQJ4XӕF

7UӏVӕELӃQGҥQJFRQpQFӫDFөPFӝWFyWKӇFăQFӭNӃWFҩXSKҫQWUrQFKLӅXGjL FӝWFѭӡQJÿӝWKkQFӝWOҩ\- 40PPWKHRNLQKQJKLӋP c Theo 7&;'913KѭѫQJSKiSWtQKO~QFӫDJLiRVѭ%URPV Ĉӝ O~Q6 1 ÿѭӧFWtQKWKHRF{QJWKӭc: s c tb aE a E qH E

Trong ÿy q: tҧi trӑQJF{QJWUuQKWUX\ӅQOrQNKӕi gia cӕ (kN)

H: chiӅXVkXFӫa khӕi gia cӕ (m) a: tӹ sӕ diӋQWtFKD Q$c / BL), n- tәng sӕ cӝt A c : diӋQWtFKWLӃt diӋn cӝt

E c : m{ÿXQÿjQKӗi cӫa vұt liӋu cӝt&yWKӇ lҩy E c = (50y100) C c WURQJÿy& c Oj sӭFNKiQJFҳt cӫa vұt liӋu cӝt

E s : m{ÿXQELӃn dҥng cӫDÿҩt nӅn giӳDFiFFӝt&yWKӇ lҩ\WKHRF{QJWKӭc thӵc nghiӋm E s = 250C u , vӟi C u OjVӭFNKiQJFҳWNK{QJWKRiWQѭӟc cӫDÿҩt nӅn)

*KLFK~&iFWK{QJV͙( c , C c , E s , C u [iFÿ͓QKWͳN͇WTX̫WKtQJKL PP̳XKL Q tU˱ͥQJFKRN͇WTX̫SKKͫSWK͹FW͇K˯Q1JRjLUD WKHRG͹WK̫RWLrXFKX̱QWKL͇WN͇

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300) q u 7KHRWLrXFKX̱QFͯD0Ϳ)+:+ - RD - 99 - 13W̩L%̫QJWUDQJ( ãT u

+uQK 7tQKO~QQӅn gia cӕ khi tҧi trӑQJWiFGөQJFKѭDYѭӧWTXiVӭc chӏu tҧi cho

SKpSFӫa vұt liӋu trө d Theo TXDQÿLӇPKӛQKӧSFӫDYLӋQNӻWKXұW&KkXÈ$,7

KLWtQKWRiQO~QFyWKӇ[ҧ\UDWUѭӡQJKӧS:

* 7̫LWU͕QJQJRjLWiFGͭQJW˱˯QJÿ͙LQK͗YjF͡W[LPăQJ - ÿ̭WFK˱DE͓UmR

1ӃXÿӝO~QGӑFWUөFFiFFӝWÿҩWWUӝQ[LPăQJ WѭѫQJӭQJYӟLÿӝO~QSKҫQVpW\ӃX [XQJTXDQKWKuVӵSKkQEӕWҧLWUӑQJQJRjLVӁSKөWKXӝFYjRÿӝFӭQJWѭѫQJÿӕLFӫD YұWOLӋXFӝW&KӯQJQjRӭQJVXҩWGӑFWUөFFӝWVFӝWFzQQKӓKѫQÿӝEӅQJLӟLKҥQUmR FӫDQyV UmRFӝW WKuVӵSKkQEӕWҧLWUӑQJGӑFWUөFFӝWVӁSKөWKXӝFYjRP{ ÿXQO~Q FӫDYұWOLӋXFӝWYjFӫDÿҩWÿmJLDFѭӡQJÿѭӧFWtQKWKHRF{QJWKӭFVDX

7URQJÿy q: WҧLWUӑQJÿѫQYӏN*FP 2 a: GLӋQWtFKWѭѫQJÿӕLFӫDFӝW M d Yj 0FӝW: P{ ÿXQ ELӃQ GҥQJ FӫD ÿҩW QӅQ [XQJ TXDQK Yj FӫD YұW OLӋX FӝW

(M e 'V ' ; 'V: VӕJLDӭQJVXҩWWUX\ӅQOrQÿҩWKD\FӝWYj'e: VӕJLDKӋVӕUӛQJFӫD ÿҩWQӅQKD\YұWOLӋXFӝW

7ҧL WUӑQJ SKkQ Eӕ ÿӅX T GR F{QJ WUuQK KD\ QӅQ ÿҩW ÿҳS ErQ WUrQ WUX\ӅQ [XӕQJPӝWSKҫQWUX\ӅQFKRFӝWÿҩWWUӝQ[LPăQJT 1 SKҫQNKiFWUX\ӅQFKRÿҩWT 2 1ӃX FӝW ÿҩW WUӝQ [LPăQJ Yj ÿҩW [XQJ TXDQK Fy FQJ FKX\ӇQ Yӏ WѭѫQJ ÿӕL Fy WKӇ dQJTXDQKӋ-15) sau:

(2.22) ĈѫQJLҧQELӇXWKӭFWUrQWDÿѭӧF

(2.23) ĈӝO~QFөFEӝFӫDNKӕLÿҩWVDXNKLJLDFѭӡQJFӝW[LPăQJ- ÿҩWOj

* 7̫L WU͕QJQJRjLWiFGͭQJOͣQYjF͡W[LPăQJ - ÿ̭WE͓UmR

1KѭWUѭӡQJKӧSWҧLWUӑQJTÿѭӧFSKkQUDOjPSKҫQT 1 WUX\ӅQFKRFӝWYjT 2 WUX\ӅQFKRQӅQÿҩW[XQJTXDQKFӝWFK~QJÿѭӧFWtQKWRiQQKѭVDX

7KjQKSKҫQT 1 GQJÿӇWtQKÿӝO~QFөFEӝ6 2 YjWKjQKSKҫQT 2 GQJÿӇWtQKÿӝ O~QFөFEӝ61

+uQK 6ѫÿӗWҧLWUӑQJWUX\ӅQFKRÿҩWNK{QJәQÿӏQKJLӳDFiFFӝW

NKLWҧLWUӑQJYѭӧWTXiÿӝEӅQUmR

2.2.1.2 ĈӝO~QFӫDNKӕLÿҩWErQGѭӟLNKXYӵFÿѭӧFJLDFӕ6 2 ) Ĉӝ O~Q SKҫQ ÿҩt ӣ ErQ Gѭӟi khu vӵF ÿѭӧc gia cӕ ÿѭӧF WtQK WKHR QJX\rQ Oê cӝQJO~QWӯng lӟSÿӝ O~Q[ҧ\UD WURQJYQJ ҧQKKѭӣQJÿӃQÿӝ VkXNKLWKӓD PmQ ÿLӅu kiӋQVDXÿk\

H: chiӅXVkXYQJҧQKKѭӣQJO~Q J: GXQJWUӑQJFӫDÿҩW

ĈӝO~QWKHRWKӡLJLDQ

7ӕFÿӝO~QFӫDQӅQÿҩWVpWÿѭӧFJLDFӕ EҵQJFӝW [LPăQJ±ÿҩW ÿѭӧFWtQKWRiQ QKѭWҫQJFyWKLӃWEӏWKRiWQѭӟFWKҷQJÿӭQJJLӃQJFiWEҩFWKҩP KLÿyKӋVӕWKҩP FӫD FҩX WU~F FӝW [LPăQJ±ÿҩW EҵQJ NKRҧQJ ã VR YӟL QӅQ ÿҩW \ӃX EmR KzD QѭӟF

0ӭF ÿӝ O~Q Fy WKӇ ÿѭӧF WtQK WRiQ GӵD WUrQ SKѭѫQJ WUuQK Fӕ NӃW WKҩP FӫD

%DUURQYӟLVӵÿLӅXFKӍQKFӫD$KQEHUJ ááạ ăă ã © § n h h F

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ĈӝO~QWKHRNӃWTXҧTXDQWUҳF

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S i , S i-1 ÿӝO~QFӫDQӅQWҥLWKӡLÿLӇPW i YjW i-1 E 0 , E 1 WKDPVӕYӟLQӅQÿӗQJQKҩWFRLQKѭOjKҵQJVӕ 7ҥLWKӡLÿLӇPW 6i-1 = S i = S i+1 = S

+uQK 2.9 ĈӝO~QFӫDQӅQWҥLFiFWKӡLÿLӇPNKiFQKDXWKHRSKѭѫQJSKiSFӫD$VDRND

2.4 KҧQăQJSKkQWtFKFӫD3OD[LVWURQJQӅQJLDFӕEҵQJFӝW[LPăQJ±ÿҩW

3KҫQPӅP3OD[LVOjPӝWWURQJQKӳQJSKҫQPӅP PҥQKÿѭӧFQKLӅXQѭӟFWUrQ WKӃ JLӟL Vӱ GөQJ ÿӇ JҧL TX\ӃW FiF EjL WRiQ YӅ PyQJ F{QJ WUuQK JLDR WK{QJ F{QJ WUuQK FҧQJ ± ÿѭӡQJ WKӫ\ SKҫQ QJҫP FiF F{QJ WUuQK [k\ GӵQJ Yj FiF F{QJ WUuQK QJҫPWѭѫQJWiFYӟLQӅQÿҩW

3KҫQPӅP3OD[LVWӓU}WKӃPҥQKWURQJWtQKWRiQӭQJVXҩW - ELӃQGҥQJFKX\ӇQ Yӏ - O~QQӝLOӵFWURQJNӃWFҩXYjәQÿӏQKWUѭӧWVkXWѭѫQJWiFJLӳDF{QJWUuQKYӟLQӅQ ÿҩW JLD FѭӡQJ EҩF WKҩP YҧL ÿӏD Nӻ WKXұW FӑF QHRKRһF QӅQ ÿҩW NK{QJ JLD FѭӡQJ

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2.4.2 7UuQKWӵJLҧLPӝWEjLWRiQEҵQJSKҫQPӅP3OD[LV

7K{QJWKѭӡQJÿӇJLҧLTX\ӃWPӝWEjLWRiQEҵQJPӅP3OD[LVJӗPEѭӟFFKtQK - 7KLӃWOұSP{KuQKFӫDEjLWRiQ

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- %ѭӟF.KDLEiRÿӏDFKҩWYjFiFWtQKFKҩWYұWOLӋX - %ѭӟF&KLDOѭӟLSKҫQWӱ

- %ѭӟF7KLӃWOұSJLDLÿRҥQWtQKWRiQ - %ѭӟF&KӑQÿLӇP

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2.5 7KtQJKLӋPWURQJSKzQJ ĈӇ WKLӃW NӃ ÿѭӧF QӅQ JLD Fӕ EҵQJ FӝW [LPăQJ- ÿҩW FҫQ SKҧL ELӃW ÿѭӧF WtQK FKҩW YұW OLӋX WҥR QrQ FӝW 'R ÿy PөF ÿtFK FKtQK Oj WK{QJ TXD WKt QJKLӋP WURQJ SKzQJÿӇ[iFÿӏQKKjPOѭӧQJ[LPăQJYjFiFSKөJLDNKiFQKҵPSKөFYөPөFÿtFK thLӃWNӃ ĈӕLYӟLYLӋF[iFÿӏQKFѭӡQJÿӝ+LӋQQD\JLiWUӏFѭӡQJÿӝFӝWVӱGөQJWURQJ WKLӃWNӃOj5 28 ĈӇ[iFÿӏQKJLiWUӏQj\WDSKҧLWKӵFKLӋQWUӝQQKLӅX WUѭӡQJKӧSKjP OѭӧQJ[LPăQJNKiFQKDX9ӟLPӛLJLiWUӏKjPOѭӧQJ[LPăQJNKiFQKDXQJѭӡLWD chia ra OjP QKLӅX Wә PүX PӛL Wә PүX NK{QJ TXi PүX 0ӛL Wә PүX ÿѭӧF WKt QJKLӋPWKHRWXәLPүXQJj\QJj\YjQJj\

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2.6 7KtQJKLӋPKLӋQWUѭӡQJ

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Content creators play a crucial role in disseminating information and engaging audiences By providing concise and meaningful content, they can effectively convey their message and establish a connection with their readers The use of relevant keywords and adherence to SEO rules helps optimize content for search engines, increasing its visibility and accessibility to a wider audience.

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Integrating SEO best practices, this article highlights the significance of [keyword] in various aspects Understanding the interplay between [keyword] and related concepts like [concept 1], [concept 2], and [concept 3] is crucial These connections provide valuable insights into the broader context and applications of [keyword] Furthermore, exploring the correlation between [keyword] and industry-specific trends enables businesses to make informed decisions, optimize strategies, and gain a competitive edge in the digital landscape.

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Significant advancements in technology have enabled us to connect with others seamlessly Social media provides numerous opportunities for individuals to establish connections and share experiences, fostering global communication and facilitating the exchange of ideas and information Additionally, the advent of video conferencing has revolutionized business practices and personal interactions, allowing for real-time communication and collaboration from any location These advancements have not only bridged geographic barriers but have also facilitated cross-cultural understanding, promoting a more connected and inclusive global community.

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Utilizing advanced algorithms and machine learning, our innovative software solution effectively analyzes complex data, identifies critical insights, and provides tailored recommendations, empowering organizations to make informed decisions and optimize operational efficiency Its comprehensive suite of features streamlines processes, enhances decision-making capabilities, and drives tangible results.

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- &iFPүXOҩ\FӝWWKӱKLӋQWUѭӡQJFyFѭӡQJÿӝWKҩSKѫQQKLӅXYjNK{QJWKҩ\

Tiêu đề	Nghiên cứu gia cố nền bằng cột đất trộn xi măng cho dự án đường Mậu Thân - Sân bay Trà Nóc, Thành phố Cần Thơ
Tác giả	Mm Vӕ QJjQK
Trường học	ĈҤI HӐC QUӔC GIA TP. HӖ &+ậ 0,1+
Chuyên ngành	Địa kỹ thuật xây dựng
Thể loại	Luận văn thạc sĩ
Năm xuất bản	2013
Thành phố	TP. HӖ &+ậ 0,1+

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Số trang	139
Dung lượng	3,05 MB